Alerta

USE OF CYANOBACTERIAL BIOREACTOR FOR CARBON SEQUESTRATION

Resumen de: US2025257372A1

The subject invention provides compositions and methods for reducing deleterious atmospheric gases using microorganisms. In preferred embodiments, a composition comprising one or more beneficial microorganisms convert carbon dioxide to calcium carbonate, magnesium carbonate, a bicarbonate, or a combination thereof. The source of the carbon dioxide can be industrial emissions. In some embodiments, the composition sequesters carbon with the use of a trough growth system and the culture and/or growth by-product can be sequestered in underground geological formations.

MICROALGAE-ENRICHED FOODS

Resumen de: US2025255337A1

In alternative embodiments, provided are compositions, including products of manufacture, foods and drinks and kits, comprising one or mixtures of two or more or a plurality of microalgae, wherein the microalgae, optionally blue-green algae or cyanobacteria, or extracts of the microalgae, or dried extracts of the microalgae, are formulated into a food, candy, nutritional supplement, or an ingestible liquid. In alternative embodiments, the one or two or more or a plurality of microalgae comprise a microalgae from the genus: Spirulina sp., Arthrospira sp., Limnospira sp, Dunaliella salina, and/or Nannochloropsis salina. In alternative embodiments, the one or two or more or a plurality of microalgae are formulated into a food such as a guacamole (to generate for example, to generate a Microalgae-Enriched Guacamole (MEG).

CULTURE METHOD AND CULTURE DEVICE

Resumen de: US2025257313A1

A culture device comprises: a gas supply unit; and a plurality of containers. The gas supply unit is connected with the plurality of containers through a plurality of gas supply lines, respectively. The plurality of gas supply lines are provided with a plurality of valves, respectively. While microalgae are cultured in the plurality of containers, the opening degrees of the plurality of valves are adjusted. By such adjustment of the opening degrees, a greater amount of gas is supplied to one of the plurality of containers than those of the other containers.

LIQUID COMPOSITION

Resumen de: WO2025166399A1

The present disclosure generally relates to liquid compositions that can be used to treat a water body, for example a dam, river or waste water. In particular, the present disclosure relates to compositions that can be used to control cyanobacteria in a water body. The liquid compositions comprise worm castings, a sugar source and optional other additives/excipients. The present disclosure also relates to methods of treating a water body using the liquid compositions. The present disclosure also relates to processes for preparing the liquid compositions, and also to uses and kits comprising the liquid compositions.

Chemical sterilization or disinfection method of microalgae culture medium using calcium hypochlorite

Resumen de: KR20250122828A

본 발명은 차아염소산칼슘(calcium hypochlorite, Ca(ClO)2)을 이용한 미세조류 배양 배지의 화학적 멸균방법에 관한 것으로, 차아염소산칼슘(calcium hypochlorite, Ca(ClO)2)을 미세조류 배양 배지에 넣어 멸균한 후 MnCl2-Na2EDTA 복합체 및 glucose의 촉매 반응을 통해 차아염소산칼슘을 중화시켜 멸균된 미세조류 배양 배지에 의해 미세조류의 성장을 증대시키는 것이 특징이다. 상기 본 발명에 따른 미세조류 성장의 증대는 영양 보충제, 식품 착색제, 사료 첨가제 및 성장 촉진제, 폐수 처리제, 바이오 연료 등 다양한 산업 분야에 활용될 수 있다.

NOVEL MICROALGAE AND USE FOR SAME

Resumen de: US2025250533A1

Provided is an alga belonging to Cyanidiophyceae having a diploid cell and a haploid cell form. Also provided is a nutrient composition containing an alga belonging to Cyanidiophyceae or an extract thereof.

ENCAPSULATION OF MICROALGAE IN HYDROGEL POLYMER AND HIGH-DENSITY ALGAL BIOMASS

Resumen de: WO2025166275A1

Aspects of the present disclosure generally relate to a new class of compositions that include microalgae encapsulated within a polymerized hydrogel. Aspects of the present disclosure also generally relate to high density algal biomass and to new processes for growing algal biomass. In an aspect is provided a composition that includes an encapsulant comprising a polymerized hydrogel, and microalgae encapsulated within the encapsulant. In another aspect, a process for encapsulating algae is provided. The process includes: introducing, to a device, a stream of core fluid comprising microalgae and a hydrogel precursor; contacting the stream of core fluid with two streams of a focusing fluid to form a thinner stream of core fluid comprising the microalgae and the hydrogel precursors, the focusing fluid having a different viscosity than the core fluid; and exposing the thinner stream of the core fluid to UV light to form a composition described herein.

Methods And Materials For Producing Recombinant Viruses In Eukaryotic Microalgae

Resumen de: AU2025203546A1

The present invention is directed to methods and materials for producing recombinant viruses. In particular, methods and materials are provided for producing recombinant viruses in eukaryotic microalgae such as Chlamydomonas reinhardtii. Recombinant adeno- associated viruses are examples of recombinant viruses produced according to the invention. The present invention is directed to methods and materials for producing recombinant viruses. In particular, methods and materials are provided for producing recombinant viruses in eukaryotic microalgae such as Chlamydomonas reinhardtii. Recombinant adeno- associated viruses are examples of recombinant viruses produced according to the invention. ay h e p r e s e n t i n v e n t i o n i s d i r e c t e d t o m e t h o d s a n d m a t e r i a l s f o r p r o d u c i n g r e c o m b i n a n t v i r u s e s n a y p a r t i c u l a r , m e t h o d s a n d m a t e r i a l s a r e p r o v i d e d f o r p r o d u c i n g r e c o m b i n a n t v i r u s e s i n e u k a r y o t i c m i c r o a l g a e s u c h a s h l a m y d o m o n a s r e i n h a r d t i i e c o m b i n a n t a d e n o - a s s o c i a t e d v i r u s e s a r e e x a m p l e s o f r e c o m b i n a n t v i r u s e s p r o d u c e d a c c o r d i n g t o t h e i n v e n t i o n

A METHOD FOR PREPARING AND SELECTING A POLYMERIC FLOCCULANT FOR USE IN HARVESTING MICROALGAE

Resumen de: AU2023350703A1

The present invention relates to a method for harvesting microalgae, the method comprising (i) mixing one or more monomers, a photoinitiator, water and a deoxygenation system to form a mixture; (ii) exposing the mixture to UV light so as to form an aqueous solution of one or more polymers; (iii) introducing the aqueous solution of one or more polymers to a suspension comprising microalgae in an amount sufficient to produce flocculated microalgae; and (iv) harvesting the flocculated microalgae. The present invention also relates to a method for preparing and selecting a polymeric flocculant for use in harvesting microalgae and a related apparatus.

PHOTOBIOREACTOR AND METHOD FOR GROWING MICROALGAL-TYPE BIOLOGICAL ORGANISMS

Resumen de: WO2024068658A1

The invention relates to a photobioreactor (1) for growing microalgal-type biological organisms, the growth being based on autotrophy under light that is essentially, or even exclusively, artificial, wherein the organisms grow in a nutrient-rich liquid substrate circulating in the photobioreactor, the photobioreactor comprising at least one cell (3) referred to as an illuminated cell, the photobioreactor (1) being characterized in that the illuminated cell (3) comprises at least one spiral-shaped transparent pipe and in that the illuminated cell (3) comprises at least two sections referred to as lighting sections which are associated with the transparent pipe and arranged on either side of the transparent pipe.

3 Carbon dioxide reduction device comprising three-dimensional porous hydrogel structures and microalgae and manufacturing method thereof

Resumen de: KR20250116963A

본 발명은 3차원 다공성 하이드로겔 구조체 및 미세조류를 포함하는 이산화탄소 저감 장치 및 이의 제조방법에 관한 것으로, 이산화탄소를 흡수하고 산소 및 유기물을 생산할 수 있는 미세조류를 3차원 다공성 하이드로겔 구조체에 포함시킬 경우, 미세조류가 공기 중의 이산화탄소; 및 태양광에 노출되는 표면적이 증가하여 미세조류의 이산화탄소 흡수 속도가 증가하는 것을 확인함으로써, 이산화탄소 저감 장치로써 유용하게 활용될 수 있다.

WET TYPE AIR CLEANERS USING PHOTOSYNTHETIC MICROALGAE

Resumen de: KR20250116443A

광합성 미세조류를 이용한 습식 공기 청정기가 개시된다. 본 발명에 따른 광합성 미세조류를 이용한 습식 공기 청정기는, 광합성 미세조류를 포함하는 배양액을 수용하도록 구성되고, 한쪽에 제1 공기 유입구와 제1 공기 유출구가 구분되어 마련되며, 내측 상부에 상기 제1 공기 유입구와 상기 제1 공기 유출구를 구분하기 위한 격막이 마련된 빛 투과재질로 된 배양액 용기; 하부에 광촉매 필터를 구비한 거름부가 마련되고 일측 측벽에는 상기 제1 공기 유입구 및 상기 제1 공기 유출구에 각각 대응되는 제2 공기 유입구 및 제2 공기 유출구가 각각 마련되고, 일측면에는 상기 제2 공기 유입구와 연통되는 제3 공기 유입구가 마련되며, 타측면에는 상기 제2 공기 유출구와 연통되는 제3 공기 유출구가 마련되는 하우징; 및 상기 제3 공기 유입구로부터 유입되는 외부공기를 필터로 여과한 후 버블 발생기를 통하여 상기 제2 공기 유입구로 미세 버블을 공급하도록 구성되어 상기 하우징의 내부에 마련되는 공기 공급기를 포함하고, 외부공기가 상기 버블 발생기를 통하여 상기 배양액을 통과할 때 상기 광합성 미세조류의 광합성으로 이산화탄소가 소비되고, 미세조류의 광합성으로 생성된 산소가 배양액을 통과한 공기와 함께 상기 제3

NOVEL MICROALGAE AND USE FOR SAME

Resumen de: US2025243449A1

Provided is an alga belonging to Cyanidiophyceae having a diploid cell and a haploid cell form. Also provided is a nutrient composition containing an alga belonging to Cyanidiophyceae or an extract thereof.

NOVEL MICROALGAE AND USE FOR SAME

Resumen de: US2025243450A1

Provided is an alga belonging to Cyanidiophyceae having a diploid cell and a haploid cell form. Also provided is a nutrient composition containing an alga belonging to Cyanidiophyceae or an extract thereof.

AN ON-SITE MODULAR SYSTEM FOR PROCESSING AND TRANSFORMING ANIMAL WASTE AND A PROCESS AND USES THEREOF

Resumen de: WO2025158072A1

AN ON-SITE MODULAR SYSTEM FOR PROCESSING AND TRANSFORMING ANIMAL WASTE AND A PROCESS AND USES THEREOF The present invention relates to an on-site modular system for processing and transforming animal waste. The present invention also relates to a process for transforming animal waste in situ using said on-site modular system. The present invention further relates to the uses and derived advantages in terms of farm greenhouse gas emissions management and agricultural or natural soil amendments of a processed rich-nutrients biologically absorbable nitrogen-rich phosphorus-rich potassium-rich liquid microalgae culture fraction obtained with the process of the invention. Besides, the invention further relates to the uses as recycler of toxic or contaminants in animal waste farm and/or for animal feed of a processed rich-carbon solid inactivated microalgae culture fraction obtained with the process of the invention.

AN ON-SITE MODULAR SYSTEM FOR PROCESSING AND TRANSFORMING ANIMAL WASTE AND A PROCESS AND USES THEREOF

Resumen de: EP4592257A1

The present invention relates to an on-site modular system for processing and transforming animal waste. The present invention also relates to a process for transforming animal waste in situ using said on-site modular system. The present invention further relates to the uses and derived advantages in terms of farm greenhouse gas emissions management and agricultural or natural soil amendments of a processed rich-nutrients biologically absorbable nitrogen-rich phosphorus-rich potassium-rich liquid microalgae culture fraction obtained with the process of the invention. Besides, the invention further relates to the uses as recycler of toxic or contaminants in animal waste farm and/or for animal feed of a processed rich-carbon solid inactivated microalgae culture fraction obtained with the process of the invention.

COSMETIC USES OF A HYDROLYSATE OF AN EXTRACTION CO-PRODUCT OF THE MICROALGA PHAEODACTYLUM TRICORNUTUM

Resumen de: WO2024062193A1

The invention relates to the cosmetic or nutraceutical use of a hydrolysate of an extraction co-product of the microalga Phaeodactylum tricornutum for exfoliating the skin and/or reducing the microrelief of the skin. The invention also relates to a cosmetic skincare method comprising the topical application of a hydrolysate of an extraction co-product of the microalga P. tricornutum or of a composition comprising same for exfoliating the skin and/or reducing the microrelief of the skin.

PHOTOBIOREACTOR MONITORING OF ALGAE-TO-CO2 MASS RATIOS FOR CARBON CAPTURED BY MICROALGAE

Resumen de: WO2025155916A1

A system and method for quantifying CO2 capture by photobioreactors using microalgal biomass are disclosed. The method involves accurately quantifying carbon dioxide capture by photobioreactors using microalgal biomasses involves determining a unique ratio relating carbon consumed to biomass produced for each microalgae strain. This ratio is then used to predict CO2 removal from flue gases or industrial processes based on the dry mass of the corresponding biomass produced. Machine learning models are also trained on data obtained from said photobioreactors to predict CO2 consumption rates under varying conditions, thereby enhancing the accuracy and efficiency of carbon capture technologies.

TEXTURED FOOD PRODUCT MADE FROM MICROALGAE

Resumen de: WO2025153552A1

The invention relates to the production of a novel food product made from one or more microalgae. It can be used as an intermediate for manufacturing a more complex product intended either for human food or for veterinary food. The invention also relates to the uses of said food product made from one or more microalgae. The invention also relates to a method for producing said food product made from one or more microalgae.

NEW STRAIN OF THE MICROALGA CHLORELLA VULGARIS AS A SUSTAINABLE SOURCE FOR PRODUCING ZEAXANTHIN AND LUTEIN

Resumen de: WO2025149866A1

The present invention relates to the use of a new strain of the microalgal species Chlorella vulgaris for producing lutein and zeaxanthin, as well as to the method for obtaining it.

USE OF MICROALGAE EXTRACT FOR PROMOTING ABSORPTION AND PERMEATION THROUGH BLOOD-BRAIN BARRIER OF FATTY ACID AND COMPOSITION THEREOF

Resumen de: WO2025148196A1

Provided is use of a microalgae extract for promoting the absorption and permeation through the blood-brain barrier of a fatty acid and a composition thereof. The microalgae extract comprises a polar lipid in a proportion of 30% to 99.9%. The fatty acid is a fatty acid contained in a non-microalgae extract. The provided use of the microalgae extract for promoting the absorption and permeation through the blood-brain barrier of a fatty acid and the composition thereof can, by means of the cooperation of the microalgae extract and the fatty acid, promote the absorption of the fatty acid in a user, and particularly, increase the content of the fatty acid in the heart and the brain.

PHOTOBIOREACTOR MONITORING OF ALGAE-TO-CO2 MASS RATIOS FOR CARBON CAPTURED BY MICROALGAE

Resumen de: US2025230388A1

A system and method for quantifying CO2 capture by photobioreactors using microalgal biomass are disclosed. The method involves accurately quantifying carbon dioxide capture by photobioreactors using microalgal biomasses involves determining a unique ratio relating carbon consumed to biomass produced for each microalgae strain. This ratio is then used to predict CO2 removal from flue gases or industrial processes based on the dry mass of the corresponding biomass produced. Machine learning models are also trained on data obtained from the photobioreactors to predict CO2 consumption rates under varying conditions, thereby enhancing the accuracy and efficiency of carbon capture technologies.

Skin Whitening and Anti-Inflammatory Composition Comprising Exosomes of Marine Microalgae Dunaliella Salina as Active Ingredients

Resumen de: KR20250107436A

본 발명은 해양미세조류 듀나리엘라 살리나 (Dunaliella salina DSTA20) 유래 엑소좀의 피부 미백 및 항염증 효능에 관한 것으로, 해양 미세조류인 듀나리엘라 살리나 미세조류 배양을 통한 엑소좀이 멜라닌 생성을 저해하고 타이로시네이즈(Tyrosinase) 효소를 저해시킴을 확인하고, 일산화질소(NO)를 저해시키는 것을 확인하여 피부미백 또는 항염용 조성물, 화장료 조성물 또는 건강기능식품 조성물 등 다양하게 활용할 수 있다.

USE OF MICROALGAE AND MICROALGAE DERIVED COMPONENTS IN CULTIVATED FOOD PRODUCTION

Resumen de: AU2023416213A1

Provided herein are methods for cultivated food production involving the use of microalgae. The methods include recycling spent cell media that are used to cultivate cells for cultivated food production as well as enriching culture medium used to cultivate the same cells. The microalgae are used to recycle the spent culture medium. The microalgae may be used to extract microalgae derived components to enrich the culture medium. The algae recycling and algae enriched growth media as provided herein may be used with any animal cell culture. In some variations, the microalgae or microalgae derived components may be used as a raw ingredient in the preparation of cell based seafood products. The methods provided herein may be used for the production of seafood products. The methods herein may provide at least one added advantage—the use of algae may add nutrients, flavors, and aromas typically desired in seafood.

MODIFIED MICROALGAE FOR ENHANCED PHOSPHATE UPTADE INVOLVING OVEREXPRESSION OF PSR1 AND OPTIONALLY UNDEREXPRESSION OF PTC1

Resumen de: US2025223542A1

The invention provides a recombinant microalgal strain comprising in its genome a first modification which causes overexpression of a PSR1 gene, and optionally a further modification which reduces or eliminates expression from an endogenous PTC1 gene. The strains of the invention have utility in promoting phosphate uptake, for example from wastewater, with the microalgae then being useful as fertilisers.

Microalgae culture device

Resumen de: KR20250103434A

미세조류 배양장치가 개시된다. 본 발명의 일 측면에 따른 미세조류 배양장치는 미세조류가 배양되는 배양액을 수용하고, 내부에 경사진 바닥면을 구비하는 수조; 및 상기 배양액을 상기 경사진 바닥면의 하부 영역에서 상기 경사진 바닥면의 상부 영역으로 이송시키는 배양액 이송부를 포함할 수 있다.

A RIVER OR MARINE PHOTOBIOREACTOR-MIMICKING MICROALGAE CULTIVATION DEVICE

Resumen de: KR20250103521A

본원은 제 1 배양액을 포함하는 배양조; 상기 배양조 내에 배치되고, 미세조류를 포함하는 제 2 배양액을 저장하는 복수의 광화학 배양기; 및 상기 배양조에 이산화탄소를 주입하는 이산화탄소 주입부를 포함하고, 상기 광화학 배양기는 하부에 방오효과를 갖는 멤브레인을 포함하는 것인, 미세조류 배양 장치에 관한 것이다.

METHOD FOR PRODUCING HIGH YIELD DESIRED PRODUCTS FROM MICROALGAE

Resumen de: KR20250100862A

본 발명은 미세조류로부터 관심 생성물을 고수율로 수득하기 위한 방법에 관한 것으로, 더욱 상세하게는 (a) 고정 탄소원으로서 유기산을, 질소원으로서 요소를 포함하는 배지를 조성하는 단계; (b) 상기 조성된 배지에 관심 생성물의 생성을 위한 미세 조류 세포를 제공하는 단계; (c) 상기 미세 조류 세포가 제공된 배지를 암흑의 호기성 종속영양 발효 조건하에 유가식 영양 공급에 의해 미세 조류를 배양하는 단계; (d) 상기 배양 중 세포 분화를 거치기 전 영양생장기에서 배지와 세포를 분리하는 단계; (e) 상기 분리한 세포로부터 관심 생성물을 정제하는 단계;를 포함하되, 상기 미세 조류 세포는 종속영양생물인 해마토코쿠스 라커스트리스(Haematococcus lacustris)인 것을 특징으로 한다. 본 발명에 의하면, 간단한 공정으로 관심 생성물을 단시간 내 고수율로 수득할 수 있어, 운용 비용을 절감하고, 대규모 경제적 생산으로 더 큰 시장에 대한 산업적 접근이 가능토록 한다는 장점이 있다.

METHOD OF EFFICIENT CITRAMALATE PRODUCTION FROM BROWN MACROALGAE BIOMASS BY ENGINEERED VIBRIO SP. DHG

Resumen de: US2025215387A1

The present disclosure relates to efficient production of citramalate, which is a valuable industrial compound, from brown microalgae by using a transformed Vibrio sp. DHG strain. According to the present disclosure, it is possible to efficiently produce citramalate, which is used in various industrial fields, from brown microalgae-based raw materials by using a recombinant microorganism for producing citramalate. Therefore, the present disclosure not only introduces an innovative source for citramalate to advance the field, but also lays the foundation for extensive and efficient applications in bio-based industries.

STRUCTURE AND METHOD FOR PROMOTING MICROALGAE GROWTH

Resumen de: US2025212852A1

An artificial structure for promoting microalgae growth includes a 3D-printed structure formed by positioning a printing surface on a movable stage of a 3D bioprinter in contact with a bio-ink that includes a mixture of a pre-polymer material with one or more of cellulose-derived nanocrystals (CNC), and microalgae cells. By projecting modulated light onto the printing surface while moving the stage, the bio-ink is progressively polymerized to define layers of an artificial coral structure with microalgae cells disposed thereon, where the artificial coral structure is configured to scatter light within the structure.

COMPOSITION CONTAINING EXTRACELLULAR VESICLES DERIVED FROM MICROALGAE

Resumen de: WO2025142932A1

The purpose of the present invention is to provide a composition that contains extracellular vesicles derived from microalgae and has suppressed discoloration.　In one embodiment of the present invention, a composition containing (A) extracellular vesicles derived from microalgae, (B) a polyhydric alcohol, and (C) at least one chemical selected from the group consisting of organic acids, salts thereof, and nonionic surfactants, is prepared.

COMPOSITION CONTAINING EXTRACELLULAR VESICLES DERIVED FROM MICROALGAE

Resumen de: WO2025142924A1

The purpose of the present invention is to provide a composition containing extracellular vesicles derived from microalgae. In one embodiment of the present invention, the composition contains (A) extracellular vesicles derived from microalgae, and, optionally, one or more chemicals selected from the group consisting of (B-1) to (B-3), where: (B-1) is one or more chemicals selected from the group consisting of primary alcohols and polyhydric alcohols, (B-2) is one or more chemicals selected from the group consisting of organic acids and salts thereof, and (B-3) is a chelating agent.

LIPID PRODUCING MARINE MICROALGA

Resumen de: WO2024132882A1

The invention provides marine microalgal strain of the Ulvales order of the Ulvophyceae class which have utility in the efficient and environmentally beneficial preparation of triacylglycerides and polyunsaturated fatty acids, which can in turn be used for fuels or feeds.

INNER LIGHT CLEANING DEVICE FOR MICROALGAE CULTURE

Resumen de: KR20250098733A

본 발명은 수조내 장착되는 봉상의 내부광을 세척하기 위한 것으로, 노즐이 내주면에 장착된 말굽형 세척부; 상기 말굽형 세척부의 일단에 장착된 세척지지부; 및 상기 세척지지부의 단부를 지지하되, 상기 세척지지부에 세척액을 공급하는 세척액공급관이 장착된 세척액공급부를 포함하는 미세조류 배양용 내부광 세척장치를 제공한다.

INNER LIGHT CLEANING DEVICE FOR MICROALGAE CULTURE

Resumen de: KR20250098735A

본 발명은 수조내 장착되는 봉상의 내부광을 세척하기 위한 것으로, 노즐이 내주면에 장착된 링형 세척부; 상기 링형 세척부의 일단에 장착된 세척지지부; 및 상기 세척지지부의 단부를 지지하되, 상기 세척지지부에 세척액을 공급하는 세척액공급관이 장착된 세척액공급부를 포함하는 미세조류 배양용 내부광 세척장치를 제공한다.

LIGHT CULTIVATION SYSTEM FOR MICROALGAE

Resumen de: KR20250096906A

본 발명은 미세조류의 광배양 시스템에 관한 것으로, 배양액이 투입되며, 다수의 T형 연결관을 연결하여 형성되는 수평 배관부; 상기 각 T형 연결관에서 연결되어 상부로 일정길이 연장되며, 배양액이 투입되고 상기 투입된 배양액에 미세조류가 생장하는 투명 수직 배양관부; 상기 수평 배관부의 내측에 설치되어 상기 투명 수직 배양관부로 에어를 공급하는 에어 배출관부; 상기 에어 배출관부와 연결되어 에어 배출관부로 에어를 공급하는 에어 공급부; 상기 투명 수직 배양관부의 내측에 수직으로 설치되는 LED 광원부; 상기 투명 수직 배양관부의 상부에 마련되는 수질측정센서와, 상기 에어 공급부에 마련되어 상기 에어 공급부를 통해 공급되는 에어에 포함된 이산화탄소를 측정하는 CO2 센서로 이루어지는 센서부; 및 상기 센서부의 신호를 전송받아, 상기 에어 공급부와 상기 LED 광원부의 구동을 제어하는 컨트롤러;로 이루어지는 것을 특징으로 하는 미세조류 광배양 시스템을 제공한다.

Method for producing cephalin by using carbon source

Resumen de: CN120210303A

The invention discloses a method for producing cephalin by using a carbon source. The method comprises the following steps: culturing modified cyanobacteria, performing fermentation light treatment, performing filtration treatment and performing oil-water separation treatment. The step of culturing the modified blue-green bacteria is that the modified blue-green bacteria are cultured in an environment containing a carbon source, so that the carbon source is converted into serine by the modified blue-green bacteria. In the fermentation light treatment, serine, lecithin and phospholipase are mixed in a light reaction tank to obtain cephalin mixed liquor. And the filtering treatment is that the cephalin mixed liquid passes through a filtering membrane to obtain filtrate. The oil-water separation treatment comprises the following steps: placing the filtrate in an oil-water separator, standing for a preset time, and taking the upper layer to obtain cephalin. According to the method disclosed by the invention, L-serine produced from a carbon source is used as a reaction precursor to produce cephalin, so that the economic benefit of waste gas treatment is improved.

Novel water-spraying temperature-regulating microalgae culture pond

Resumen de: CN223033355U

The utility model discloses a novel water spraying temperature adjusting type microalgae culture pond which comprises a separating wall, a supporting column fixedly connected to the top end of the separating wall, a first transverse plate fixedly connected to the outer ring of the supporting column, a first fixing column fixedly connected to the bottom end of the first transverse plate, and a second transverse plate fixedly connected to the outer ring of the first fixing column. And the bottom end of the second transverse plate is fixedly connected with a second fixing column, the bottom end of the second fixing column is fixedly connected with a base, and the bottom end of the base is fixedly connected with a light supplementing lamp. By means of the design of the light supplementing lamp at the bottom end of the base, it is ensured that microalgae can obtain uniform illumination on all layers, which is crucial to photosynthesis of the microalgae, the growth rate and biomass of the microalgae can be improved, due to the modular design of the structure, all assemblies are easy to check and maintain, problems can be found and solved in time, and the cost is reduced. Long-term stable operation of the culture pond is guaranteed, reasonable layout of the light supplementing lamps and accurate control of the spraying system are beneficial for reducing energy waste, and the culture efficiency is improved.

Microalgae bioreactor for treating tail water of bacteria-algae integrated culture

Resumen de: CN223033223U

The utility model discloses a microalgae bioreactor for tail water treatment of bacteria-algae integrated culture, which relates to the technical field of microalgae bioreactors and comprises a mounting rack, a bottom plate arranged at the lower end of the mounting rack, a reactor body rotatably mounted on the bottom plate, a mounting groove formed in the reactor body, and an illuminating lamp mounted in the mounting groove. The illuminating lamp is fixedly connected with the upper end of the mounting frame, and the mounting frame is rotationally mounted on the bottom frame. When the rotating rod II drives the mounting frame to rotate, the reactor body is inclined, so that microalgae in the outdoor reactor body can fully perform photosynthesis, and meanwhile, all parts of the microalgae in the reactor body can be fully contacted with sunlight in combination with the autorotation of the reactor body, so that the photosynthesis is improved.

Algaecide for removing lead in complex high-salt water as well as preparation method and application of algaecide

Resumen de: CN120208430A

The invention discloses an algaecide for removing lead in complex high-salt water. The algaecide is prepared from the following components in parts by weight: 0.1-2 parts of montmorillonite, 2-4 parts of sodium alginate, 1-5 parts of calcium chloride and 2-4 parts of algae mud. The preparation method of the algicide comprises the following steps: adding montmorillonite into water to prepare a uniform suspension, and then adding algae mud to obtain a microalgae montmorillonite mixed suspension with the solid-to-liquid ratio of 0.0025-0.1 g/mL; sodium alginate is added into water, a uniform viscous solution with the concentration of 0.0085-0.067 g/mL is obtained under the heating condition, and the uniform viscous solution and the microalgae montmorillonite mixed suspension are uniformly stirred to obtain gel homogenization; and the gel is homogenized and dropped into a CaCl2 aqueous solution, and curing, filtering, washing and drying are performed to obtain the algicide. According to the method, the chlorella-montmorillonite-sodium alginate gel balls are prepared from the chlorella-containing algae mud, so that the survival time of the chlorella in the complex high-salt water is ensured, the method has extremely high removal rate and stability on lead in the complex high-salt water, and meanwhile, the chlorella-montmorillonite-sodium alginate gel balls are easy to separate and reuse.

Miniature sewage purification robot based on algal-bacterial symbiotic system and preparation method thereof

Resumen de: CN120208428A

The invention discloses a micro sewage purification robot based on an algal-bacterial symbiotic system and a preparation method of the micro sewage purification robot. The robot comprises a spiral carrier used for carrying the algal-bacterial symbiotic system, a swim-ring-shaped protective shell and a biological coating on the surface of the spiral carrier, and is characterized in that the section of the spiral carrier is of a star-shaped distribution structure, and the axis of the spiral carrier is hollow; microalgae are implanted into the spiral carrier; a fibronectin coating on which bacteria are attached is arranged on the surface of the spiral carrier; the device is provided with a swim ring-shaped protective shell. Through the design of the spiral carrier and the fibronectin coating, the attachment area and attachment firmness of bacteria on the carrier are increased, the pollutant decomposition efficiency of the algal-bacterial symbiotic system is improved, and the carrier has small resistance when moving in water; the protective shell structure prevents the carrier from being physically damaged, the service life of the robot is prolonged, meanwhile, the spiral carrier and the protective shell are formed by photocuring printing of degradable hydrogel materials, and environmental friendliness is achieved.

ANTI-INFLAMMATORY OR AGING-SUPPRESSING COMPOSITION CONTAINING EXTRACELLULAR VESICLES DERIVED FROM PLANT, MUSHROOM OR MICROALGA

Resumen de: WO2025135193A1

This anti-inflammatory or aging-suppressing composition contains extracellular vesicles derived from a plant of the family Apiaceae, Lamiaceae, Theaceae, Selaginellaceae, Brassicaceae, Asteraceae, Amaranthaceae, Amaryllidaceae, Fabaceae, Cucurbitaceae, Zingiberaceae, Polygonaceae, Dioscoraceae, Vitaceae, Rosaceae, Solanaceae, Ericaceae, Lythraceae or Rutaceae, a mushroom or a microalga.

SYSTEMS AND METHODS FOR CYANOBACTERIA INDOOR AIR BIOFILTRATION TO REDUCE AIR HANDLING ENERGY CONSUMPTION

Resumen de: US2025207079A1

Systems and methods for cyanobacteria indoor air biofiltration to reduce air handling energy consumption are disclosed. A system may include: a heating, ventilation, and air conditioning (HVAC) system comprising an air valve that controls a flow of conditioned, untreated air from an enclosed area; and a biofiltration device comprising: a controller that interfaces with the air valve and controls the air valve to open or close; an air inlet that receives the untreated air from the air valve when the air valve is in an open position; a bioreactor comprising a bio-organism; an air bubble mixing system that receives the untreated air and diffuses the untreated air into the bioreactor, wherein the bio-organism is configured to consume CO2 via photosynthesis and to release treated air; and an air outlet that receives the treated air from the bioreactor and expels the treated air to enclosed area.

NOVEL DIETARY SUPPLEMENT COMPOSITION AND USES THEREOF

Resumen de: WO2025133482A1

The invention relates to a novel oral or sublingual composition comprising an extract of the microalga Tetradesmus sp. and/or an extract of the microalga Pavlova sp. The composition is used as a medicine, in particular for reducing intestinal hyperpermeability, and/or reinforcing the intestinal barrier, and/or improving intestinal transit, and/or modulating intestinal microbiota and/or improving gastrointestinal disorders, and/or maintaining and/or increasing immune defences and/or reducing stress. The composition improves well-being, sleep and cognitive abilities, in particular in humans.

Composition for skin regeneration comprising carotenoids derived from microalgae

Resumen de: KR20250094829A

본 발명은 미세조류 유래 카로티노이드를 유효성분으로 하는 피부 재생용 조성물에 관한 것으로, 보다 구체적으로는 헤마토코쿠스 플루비알리스 유래 카로티노이드가 절단된 제브라피쉬 발생배의 꼬리 지느러미를 재생시키는 효과를 확인하여, 해당 성분이 재생용 조성물 또는 화장료로 활용될 수 있다.

Microalgae culture device

Resumen de: KR20250094551A

미세조류 배양장치가 개시된다. 본 발명의 일 측면에 따른 미세조류 배양장치는 미세조류가 배양되는 배양액을 수용하고, 일측에 개방구가 형성된 수조; 및 태양광을 반사하되, 반사된 태양광이 상기 개방구로 유입되도록 반사각 조절이 가능한 반사경을 포함할 수 있다.

Microalgae culture device

Resumen de: KR20250094550A

미세조류 배양시스템이 개시된다. 본 발명의 일 측면에 따른 미세조류 배양시스템은 미세조류가 배양되는 제1 공간을 제공하고, 상기 미세조류가 상대적으로 저조도 환경에서 놓이도록 형성된 제1 수조; 및 상기 제1 수조로부터 상기 미세조류가 유입되고 수용되는 제2 공간을 제공하고, 상기 제2 공간에 수용된 상기 미세조류가 상대적으로 고조도 환경에서 놓이도록 형성된 제2 수조를 포함한다.

Novel Monoraphidium sp. microalgae for polyhydroxyalkanoate PHA production and method for producing PHA thereof

Resumen de: KR20250093705A

본 발명은 자연에서 생분해 될 수 있는 플라스틱 원료인 폴리하이드록시알칸산(Polyhydraoxyalkanoate; PHA)을 대량으로 생산할 수 있는 새로운 수단으로 PHA의 주요 단량체인 PHB(Poly-3-hydroxybutyrate)의 생산능을 갖는 신규 미세 조류 및 이의 용도에 관한 것으로, 신규 미세조류인 모노라피디움(Monoraphidium) 속 KGH1-8 균주는 유기탄소원을 이용해 고속으로 성장할 수 있으며, 성장이 멈추면 PHB(Poly-3-hydroxybutyrate)를 축적하는 특성이 있으며, 유기탄소원을 함유한 대용량 배지에 배양시 PHB(Poly-3-hydroxybutyrate)를 함유하는 바이오매스를 대용량으로 제조하는 것이 가능하기 때문에, 상기 미세조류를 이용하여 PHB(Poly-3-hydroxybutyrate)를 대량으로 생산한다.

Method for synthesizing grease by utilizing lignin wastewater through microalgae-fungus co-culture

Resumen de: CN120193027A

The invention belongs to the field of microalgae-fungus bioengineering and the technical field of lignin wastewater treatment, and discloses a method for synthesizing grease by utilizing lignin wastewater through microalgae-fungus co-culture, which comprises the following steps: (1) inoculating microalgae into a first culture medium to obtain a microalgae seed solution; the microalgae is chlorella; inoculating the fungal spores into a second culture medium, and carrying out shake cultivation to obtain fungal pellets, so as to obtain a fungal seed solution; the fungi are cunningham echinophora; preparing lignin wastewater, adding culture medium inorganic salt into the lignin wastewater, and sterilizing to obtain a lignin wastewater culture medium; and (2) co-inoculating the fungus seed solution and the microalgae seed solution into a lignin wastewater culture medium for co-culture to obtain the microalgae-fungus symbiont synthesized with grease. According to the method, the lignin wastewater is treated through co-culture of microalgae and fungi, removal of organic pollutants in the lignin wastewater and enrichment of lignin can be synchronously and effectively achieved, and the yield of grease is increased.

Photobioreactor for supplementing light to heliostat

Resumen de: CN120192820A

The invention relates to the field of microalgae cultivation, in particular to a photobioreactor for heliostat light supplement. The invention provides a photobioreactor system for supplementing light to a heliostat. The photobioreactor system comprises a photobioreactor and the heliostat, the heliostat is arranged on the shady surface and/or the east side and/or the west side of the container main body of the photobioreactor, the heliostat reflects sunlight to irradiate the surface of the container main body of the photobioreactor, and at least part of light required by the photobioreactor is provided by the heliostat. The heliostat can dilute sunlight in multiple times, fix the irradiation position and provide proper illumination for the photobioreactor, so that the construction density of the photobioreactor container main body is increased, and the productivity is improved.

AI-driven efficient microalgae photobioreactor system

Resumen de: CN120173701A

The invention discloses an AI-driven high-efficiency microalgae photobioreactor system which comprises a photobioreactor body used for containing algae liquid and providing a growth environment and space for microalgae, and the photobioreactor body comprises a light guide plate light source array, an air supply aeration device and an automatic light supplementing device; the gas-liquid phase mass transfer circulation pipeline is used for promoting efficient gas-liquid phase mixing and mass transfer, is arranged outside the photobioreactor body and is connected with the photobioreactor body, and the gas-liquid phase mass transfer circulation pipeline comprises a main circulation pipeline and an auxiliary circulation pipeline; the automatic cleaning device is used for automatically cleaning the interior of the photobioreactor body in all directions and comprises a high-pressure spraying array, a supporting arm, a main arm and a telescopic arm. According to the application, optimization and innovation are carried out from the aspects of light source type selection and energy efficiency optimization, mass transfer structure innovation, AI self-adaptive control integration and dead-corner-free cleaning and disinfection, the cost is remarkably reduced, and the microalgae culture efficiency and the large-scale application potential are improved.

Method and device for treating sewage by utilizing bacterium-algae heterotrophic bacterium compound system

Resumen de: CN120172566A

The invention provides a method and a device for treating sewage by utilizing a bacterium-algae heterotrophic bacterium compound system, and belongs to the technical field of water treatment and recycling. Aiming at recycling of soluble methane and diversified removal of various pollutants such as carbon dioxide, organic carbon and nutritive salt, a specific microalgae-methane-oxidizing bacteria-heterotrophic bacteria compound microorganism system is constructed, efficient removal efficiency parameters are limited, ternary microorganism synergistic interaction is achieved, and the synergistic interaction target of reducing pollution and carbon is achieved. The MBR membrane assembly is adopted to intercept microbial effluent, and a specific efficient microbial community is maintained; the closed reactor aims at a specific removal object, dissolved gas is prevented from escaping, and recycling of soluble methane is guaranteed. The closed membrane bioreactor is suitable for culturing a specific ternary suspended microflora and can effectively treat soluble gas.

Method for culturing microalgae by using beer waste liquid and application thereof

Resumen de: CN120173745A

The invention provides a method for culturing microalgae by using beer waste liquid and application of the method, and relates to the technical field of microalgae biological culture. According to the method disclosed by the invention, microalgae, especially chlorella sp. Of chlorophyta, are cultured by adopting the beer wastewater. Moreover, it is found for the first time that the effect of synergistically promoting the growth of the microalgae can be achieved when fermentation tank washing water is adopted as a nutritional ingredient to jointly culture chlorella (Chlorella sp.) FACHB-2900 and Navicula sp. FACHB-1996, and the composite microalgae can keep certain biological activity at a low temperature and also has excellent synergic cold resistance. The invention also provides a preparation method of the composite microalgae related fertilizer, and the microalgae fertilizer can be used for improving the soil performance of saline-alkali soil, and has excellent performances of promoting the growth of beet, increasing the yield and the like.

Method for determining and evaluating influence of phycosphere microenvironment on conjugational transfer capability of ARGs

Resumen de: CN120174056A

The invention discloses a method for determining and evaluating the influence of an algal microenvironment on the conjugational transfer capability of ARGs. Comprising the following steps: preparing donor bacteria, recipient bacteria and an algae solution, evaluating the influence of the density of microalgae in the interalgal microenvironment on the conjugational metastasis of ARGs, evaluating the influence of the number of binding-state bacteria in the interalgal microenvironment on the conjugational metastasis of ARGs, evaluating the influence of the EPS content in the interalgal microenvironment on the conjugational metastasis of ARGs, and evaluating the influence of the EPS component in the interalgal microenvironment on the conjugational metastasis of ARGs. According to the method, macroscopic and microscopic processes of microalgae in a water body are considered, the influence on the conjugational transfer capability of the antibiotic resistance genes of the drug-resistant bacteria in the interalgal microenvironment can be systematically and comprehensively evaluated, and the determination method can provide powerful theoretical basis and support for behavior research and use management of the antibiotic resistance genes in the water environment.

A composition for improving preventing and treating of liver cancer comprising microalgae extract

Resumen de: KR20250090554A

본 발명은 미세조류 추출물을 유효성분으로 함유하는 간암의 개선, 예방 또는 치료용 조성물에 관한 것으로, 보다 상세하게는 미세조류 추출물을 유효성분으로 포함함으로써, 간암을 개선, 예방 또는 치료할 수 있으므로, 식품 조성물, 나아가 건강기능식품 또는 약학 조성물로 활용될 수 있다.

MICROALGA CULTURING APPARATUS TO BE MOUNTED ON WALL SURFACE OF STRUCTURE, ENABLING EASY DETACHMENT OF MICROALGA

Resumen de: WO2025127340A1

The present invention relates to a microalga culturing apparatus to be mounted on a wall surface of a structure and to a microalga culturing apparatus which enables easy detachment of a microalga attached to the inner surface of a photosynthesis reactor, allows the cultured microalga to be easily harvested, and further enables increased usability.

CELL ADHESION DEVICE FOR CULTURING MICROALGAE

Resumen de: WO2025123156A1

The present invention relates to an adhesion device (1) for culturing microalgae that increases the density of microalgae cultures and their biomass productivity. The device comprises a body (2) with an upper opening that contains a culture medium (3), which occupies half of its volume; a plurality of rotary discs (4) as a supporting surface on which the microalgae cells (5) adhere, promoting their growth to form a biofilm, said plurality of discs (4) being fixed to a horizontal rotation shaft (6), which passes through the body (2), and being equally spaced apart, the location of the rotation shaft (6) inside the body (2) being such that said discs remain semi-submerged in the culture medium (3); gas-liquid diffusers for gas transfer and bubbling in the culture medium (3); at least one moisture sensor and at least one temperature sensor for monitoring the moisture and temperature, respectively, of the gas phase inside the body (2) of the device (1); at least one temperature sensor for monitoring the temperature of the culture medium (3); an upper cover (7) on the upper opening of the body (2), which prevents the culture medium (3) and microalgae cells (5) from being exposed to the outside environment; a lighting board (8) arranged between each pair of discs (4) of the plurality of discs (4), being located on the rotation shaft (6) and arranged in slots (71) in the cover (7) so that said lighting boards (8) are not in contact with the inside of the body (2); and an electric mo

CULTIVATION DEVICE

Resumen de: US2025197786A1

A cultivation device comprises a water retention part and an accommodation part. Retention water is retained in the water retention part. A cultivation liquid and a microalga are accommodated in the accommodation part. The water retention part and the accommodation part are adjacent to one another. At least one section of the accommodation part is in contact with the water retention part. A peripheral section of the accommodation part has a contact region that contacts the retention water when the retention water is retained in the water retention part, and a non-contact region that does not contact the retention water.

Quantitative feeding system for preparation of microalgae culture medium

Resumen de: CN120158363A

The invention discloses a quantitative feeding system for preparation of a microalgae culture medium, which relates to the technical field of microalgae culture and comprises a base plate, a vertical plate vertically arranged at the top of the base plate, a microalgae culture tank arranged at the top of the base plate and a culture medium preparation and supply tank, the culture medium step-by-step replacement device and the centrifuge are sequentially arranged on the outer wall of the vertical plate from top to bottom, and the step-by-step dilution device is arranged on the base plate and located at the bottom of the centrifuge. When the microalgae culture medium feeding system is used for feeding a culture medium, the culture medium is supplied in a manner of gradually replacing and adapting the culture medium and thoroughly replacing and diluting the culture medium, so that microalgae can quickly adapt to the solution concentration of a new culture medium, and normal growth and reproduction of the microalgae are facilitated.

ROTATABLE POWER SUPPLYING DEVICE USING MICROALGAE CULTURE BUBBLES AND CULTURING APPARATUS COMPRISING THE SAME

Resumen de: KR20250088251A

본 발명은 수조 내에서 부상하는 공기의 부력에 의해 상향이동하는 복수의 바스켓; 상기 복수의 바스켓이 일렬로 장착되며 공기에 의한 부력만으로 상기 바스켓의 상향이동과 함께 회전되는 바스켓 이송수단; 및 상기 바스켓 이송수단의 상단부 및 하단부에 한쌍이 결합되어 함께 회전하여 외부로 동력을 전달하는 회전동력전달부를 포함하는 미세조류 배양 기포를 이용한 수조내 회전동력장치 및 이를 포함하는 배양기를 제공한다.

Culture Method of Polar Microalgae

Resumen de: KR20250087223A

본 발명은 배양기간에 걸쳐 영양원 또는 영양원 함유 배지를 배양기에 분할투입하여 미세조류를 배양하는 것을 특징으로 하는 극지 미세조류의 배양방법을 제공한다.

Preparation of biomass carbon quantum dots and application of biomass carbon quantum dots in microalgae culture

Resumen de: CN120136080A

The invention discloses preparation of biomass carbon quantum dots with pine sawdust as a raw material and an application method of the biomass carbon quantum dots in microalgae culture. According to the method, high-yield biomass carbon quantum dots are synthesized through an alkali-assisted oxidation process, and the blue light emission characteristic of the biomass carbon quantum dots is matched with the absorption spectrum of a microalgae photosynthetic system II (PSII). The method comprises the following specific steps: pretreating pine sawdust, then carrying out hydrothermal reaction to prepare pine derived hydrothermal carbon, and then carrying out alkaline oxidation stripping on the hydrothermal carbon through NaOH and H2O2 to extract the carbon quantum dots. The prepared biomass carbon quantum dots have the advantages of high yield, excellent optical performance, good water solubility and biocompatibility. In microalgae culture, the biomass concentration of microalgae and the synthesis efficiency of protein and lipid can be remarkably improved by adding a proper amount of the carbon quantum dots, and an efficient and environment-friendly solution is provided for waste recycling and microalgae high-value culture.

Threonyl-tRNA synthetase mutant and application thereof

Resumen de: CN120137919A

The invention relates to a threonyl-tRNA synthetase mutant, proline at the 499th site of the threonyl-tRNA synthetase mutant is mutated into serine, and a reference sequence of threonyl-tRNA synthetase before mutation is as shown in SEQ ID NO: 2; the invention also relates to application of the threonyl-tRNA synthetase in improving the growth speed of cyanobacteria and a constructed fast-growing engineering strain. According to the invention, the mutation from proline to serine at the 499th site is introduced into the threonyl-tRNA synthetase gene of synechococcus PCC 7942, so that the obtained mutant strain has a faster growth speed in highlight, and the increase of the growth speed has a synergistic effect with the AtpA C252Y mutation. Therefore, the growth speed of the synechococcus can be greatly improved by performing corresponding genetic modification on the synechococcus, and the yield of the microalgae and the target compound can be improved by using the mutant strain as the chassis algae for metabolic modification and production of the target compound.

Microalgae feed and preparation method thereof

Resumen de: CN120130570A

The present invention provides a microalgae feed and a preparation method thereof, and relates to the technical field of animal feeds, the microalgae feed comprises 25% of microalgae powder, 30% of a protein source, 40% of a carbohydrate source and 30% of a mineral substance mixture based on the total weight of the feed, and the mineral substance mixture comprises the following components in percentage by weight: 25% of the microalgae powder, 30% of the protein source, 40% of the carbohydrate source and 40% of the mineral substance mixture based on the total weight of the feed. The content of the mineral substance mixture accounts for 5% of the total weight of the feed, the comprehensiveness and balance of feed nutrition are ensured through the elaborate proportioning of the protein source, the carbohydrate source and the mineral substance mixture, various nutritional requirements of animals in different growth stages are met, healthy growth and development of the animals are promoted, and through the analysis of intestinal flora, the health of the animals is promoted. According to the present invention, the number of the beneficial bacteria such as bifidobacteria and lactic acid bacteria in the animal intestinal tract fed with the microalgae feed is substantially increased, the positive effect is provided on the improvement of the animal intestinal flora, the efficient utilization of the feed reduces the emission of nitrogen, phosphorus and other pollutants in the excrement,

NdhE mutant and application thereof

Resumen de: CN120137921A

The invention relates to an NAD (P) H dehydrogenase subunit gene ndhE mutant capable of increasing the growth speed of cyanobacteria. A section of amino acid with the sequence shown as SEQ ID NO: 5 is added to the tail of a coded protein; the invention also relates to application of the ndhE mutant in improving the growth speed of cyanobacteria and a constructed fast-growing engineering strain. According to the invention, ndhE of synechococcus PCC 7942 is mutated, so that a section of amino acid with a sequence as shown in SEQ ID NO: 5 is added at the tail of a protein coded by the synechococcus PCC 7942, the obtained mutant strain has a faster growth speed in highlight, and the increase of the growth speed has a synergistic effect with AtpA C252Y mutation. Therefore, the growth speed of the synechococcus can be greatly improved by performing corresponding genetic modification on the synechococcus, and the yield of the microalgae and the target compound can be improved by using the mutant strain as the chassis algae for metabolic modification and production of the target compound.

Thermal power plant wastewater resource utilization system and method based on microalgae technology

Resumen de: CN120136346A

The invention provides a power plant wastewater resource utilization system based on a microalgae technology, which comprises a wastewater pretreatment unit: a microalgae culture unit which is provided with a culture pond or a reactor, introduces pretreated high-concentration wastewater into the culture pond or the reactor, and inoculates microalgae for culture; the harvesting and extracting unit is used for harvesting the microalgae after the microalgae grow to a certain stage; and the wastewater reflux and reutilization unit is used for further treating the wastewater after microalgae culture, removing residual microalgae cells and metabolites, and then refluxing the wastewater to a power plant for reutilization or up-to-standard discharge. The invention aims to convert inorganic pollutants such as nitrogen, phosphorus and the like in the wastewater discharged by the power plant into valuable biomass resources.

Raw material composition of thermoplastic product mixed with microalgae, product and preparation method thereof

Resumen de: CN120153024A

The invention relates to a raw material composition of a thermoplastic product mixed with microalgae, the product and a preparation method, the composition comprises polyvinyl alcohol, microalgae, a compatilizer, a plasticizer, a cross-linking agent, a reaction auxiliary agent and a lubricant, the weight percentage of the microalgae is between 10% and 30% based on the weight of the polyvinyl alcohol, and the weight percentage of the compatilizer is between 10% and 30% based on the weight of the plasticizer. The weight percentage of the compatible agent is between 2% and 5% based on the weight of the polyvinyl alcohol, the weight percentage of the plasticizer is between 20% and 30% based on the weight of the polyvinyl alcohol, and the weight percentage of the cross-linking agent is between 0% and 1.5% based on the weight of the polyvinyl alcohol. The weight percentage of the reaction auxiliary agent based on the weight of the polyvinyl alcohol is between 1% and 5%, and the weight percentage of the lubricant based on the weight of the polyvinyl alcohol is between 0.1% and 0.5%.

Culture method of blue-green bacteria

Resumen de: CN120137811A

The invention discloses a culture method of blue-green bacteria. The culture method of the blue-green bacteria comprises the following steps: providing the blue-green bacteria, and carrying out physical mutation treatment on the blue-green bacteria to obtain primary mutation blue-green bacteria. And carrying out chemical mutation treatment on the primary mutated cyanobacteria to obtain secondary mutated cyanobacteria. And carrying out a temperature resistance test and an environment resistance test on the secondary mutation cyanobacteria to obtain the target cyanobacteria. The fatality rate of the physical mutation treatment is 50-80%, and the fatality rate of the chemical mutation treatment is 40-55%. The blue-green bacteria with high temperature resistance and industrial waste gas resistance can be obtained through the culture method of the blue-green bacteria provided by the invention.

Marine microalgae efficient gene editing system as well as construction method and application thereof

Resumen de: CN120137975A

The invention discloses a marine microalgae efficient gene editing system as well as a construction method and application thereof. An efficient'all-in-one 'CRISPR/CAS9 expression vector pKSdiaCas9-sgRNAble is constructed by inserting an expression cassette of a bleomycin resistance gene ble into a pKSdiaCas9sgRNA plasmid, meanwhile, four gRNAs targeting different sites of the same gene are respectively designed to obtain four CRISPR/CAS9'all-in-one' plasmids, and the four CRISPR/CAS9'all-in-one 'plasmids are co-transformed into algae cells, so that the total editing probability and the probability of homozygote mutation are greatly improved. Through optimization of a gene editing tool, improvement of a gene gun transformation method and an identification strategy of a genome level, efficient and stable marine microalgae gene editing is realized, and an important technical support is provided for microalgae gene function research and application.

KaiA gene mutant and application thereof

Resumen de: CN120136984A

The invention relates to a kaiA gene mutant capable of improving the growth speed of cyanobacteria, the 266th-273rd amino acids are shown as SEQ ID NO: 5, and the 274th amino acids and the amino acids behind the 274th amino acids are deleted; the invention also relates to application of the kaiA gene mutant in improving the growth speed of cyanobacteria and a constructed fast-growing engineering strain. According to the invention, the kaiA gene of synechococcus PCC 7942 is mutated, so that the 266th-273rd amino acids of the coded protein are changed, and the 274th and subsequent amino acids are deleted, so that the obtained mutant strain has a faster growth speed, and the increase of the growth speed has a synergistic effect with AtpA C252Y mutation. Therefore, the growth speed of the synechococcus can be greatly improved by performing corresponding genetic modification on the synechococcus, and the yield of the microalgae and the target compound can be improved by using the mutant strain as the chassis algae for metabolic modification and production of the target compound.

Bile shellfish breeding method and bile shellfish breeding system

Resumen de: CN120130411A

The invention provides a gall shell culture method and a gall shell culture system. The bile shell culture method provided by the invention comprises the following steps: putting culture effluent of a bile shell culture pond into a microalgae treatment pond, culturing chaetoceros mulleri in the microalgae treatment pond, and carrying out primary treatment on the culture effluent to obtain primarily treated tail water; the tail water obtained after primary treatment is put into a secondary treatment pond, probiotics are added, the tail water obtained after primary treatment is subjected to secondary treatment through the probiotics, and tail water obtained after secondary treatment is obtained; the tail water subjected to secondary treatment is put into a gall shell culture pond to be used for culturing gall shells, and water circulation is achieved; wherein chaetoceros mulleri is in logarithmic growth in the microalgae treatment pond, the chaetoceros mulleri is food for breeding the gall-bladder, and ammonia nitrogen in the breeding effluent is removed while the chaetoceros mulleri grows, so that the content of the ammonia nitrogen in the tail water subjected to primary treatment meets the requirement of breeding the gall-bladder; the probiotics are used for removing nutrient substances which cannot be absorbed by the microalgae in the primarily treated tail water.

METHOD FOR CULTIVATING CYANOBACTERIA

Resumen de: US2025188443A1

A method for cultivating cyanobacteria includes: providing the cyanobacteria; subjecting the cyanobacteria to physical mutagenesis, so as to obtain primary mutant cyanobacteria; subjecting the primary mutant cyanobacteria to chemical mutagenesis, so as to obtain secondary mutant cyanobacteria; and subjecting the secondary mutant cyanobacteria to a temperature resistance test and an environment resistance test, so as to obtain target cyanobacteria. A fatality rate of the physical mutagenesis ranges between 50% and 80%, and a fatality rate of the chemical mutagenesis ranges between 40% and 55%.

METHOD FOR HARVESTING MICROALGAE AND EXTRACTING USEFUL MICROALGAE PRODUCTS USING ULTRATHIN ANISOTROPIC MAGNETIC NANOPARTICLES

Resumen de: KR20250085071A

본 발명은 미세조류가 포함된 용액에 표면에 양전하가 유도된 초박형 자성 나노입자를 첨가한 후 혼합하여 자성 나노입자-미세조류 응집체를 형성하는 제1 단계, 상기 자성 나노입자-미세조류 응집체가 포함된 혼합용액을 초음파 처리하는 제2 단계, 상기 초음파 처리된 혼합용액에 지질추출용매를 처리하여 미세조류가 생산한 유용 물질 및 지질을 추출하는 제3 단계 및 자석을 이용하여 상기 초음파 처리된 혼합용액에서 상기 자성 나노입자를 회수하는 제4 단계를 포함하는 초박형 자성 나노입자를 이용한 미세조류의 수확 및 미세조류가 생산한 유용 물질 및 지질의 추출 방법을 개시하며, 상기 제2 단계 동안, 상기 초박형 자성 나노입자가 상기 미세조류의 세포벽을 기계적으로 파쇄하여 세포벽 내에 있는 미세조류가 생산한 유용 물질 및 지질을 추출하는 것을 특징으로 한다.

IMPROVEMENT OF NUTRITIONAL VALUE OF FISH FEED

Resumen de: EP4566457A1

This invention relates to optimization of standard fish feed by incorporating a c-phycocyanin additive into a standard fish feed in an oil suspension. Isolated c-phycocyanin, which is isolated from the biomass of the genus Microcystis (microalgae) and Aphanizomenonflos-aquae (Klamath algae), improves the physiological parameters, growth intensity and physical/chemical meat properties of rainbow trout (Oncorhynchus mykiss) and African catfish (Clarias gariepinus).

Method for treating acidic organic wastewater by using mixed algae and application thereof

Resumen de: CN120117754A

The invention discloses a method for treating acidic organic wastewater by using mixed algae. The method comprises the following steps: (1) inoculating and culturing filamentous algae in the acidic organic wastewater; (2) culturing the filamentous algae in the acidic organic wastewater for 6 days, and then adding streptozotoci or/and Widdersonia with the same algae cell concentration to carry out cooperative treatment or gradient treatment on the acidic organic wastewater; (3) fishing algal biomass in the wastewater after the co-treatment or gradient treatment is performed for 6 days; and (4) detecting parameters of the acidic organic wastewater, and judging whether cooperative treatment or cascade treatment needs to be carried out again according to the detected parameters. The obtained algae biomass is used as feed. The method has the innovation points that filamentous algae and high-stain-resistance streptazone algae or/and high-nutrient-value widmannella are subjected to mixed culture in the acidic organic wastewater by adopting a synergistic treatment or gradient treatment mode, so that high-yield algae biomass is obtained while the acidic organic wastewater is treated; an efficient, stable, economical and feasible microalgae wastewater treatment system is realized.

Modified corncob as well as preparation method and application thereof

Resumen de: CN120097524A

The invention belongs to the technical field of environmental restoration and biology, and discloses a modified corncob as well as a preparation method and application thereof. According to the method, a mixed solution of NaOH and acetyl bromide is used for modifying corncobs, lignin in the corncobs is removed through alkalization pretreatment in the modification process, the porosity and the specific surface area of the corncobs are increased, and meanwhile, acetyl bromide is adopted for treatment, so that the adsorption capacity and the immobilization efficiency of the corncobs to microalgae are enhanced. The modified corncob can be crosslinked with an exogenous polymer (EPS) secreted by the microalgae, so that the microalgae can be stably attached and survive for a long time, and the application effect of the corncob in wastewater treatment and ecological restoration is improved. The invention provides an efficient and sustainable biological immobilization technology, provides a new technical path for water pollution treatment and ecological restoration, and has a wide application prospect.

Agricultural non-point source pollution control system and method based on nitrogen-fixing cyanobacteria

Resumen de: CN120097757A

Agricultural non-point source pollution is caused by runoff of fertilizers and pesticides in farmland, and especially the problem of water eutrophication caused by nitrogen and phosphorus pollution is serious. Traditional pollution control measures such as reduction of chemical fertilizer consumption and construction of physical isolation belts are limited in effect and high in cost. Nitrogen-fixing cyanobacteria can fix nitrogen in the atmosphere and absorb nitrogen in water, so that the nitrogen-fixing cyanobacteria is considered to be a potential natural agricultural pollution control tool. The invention aims to provide an agricultural non-point source pollution control system based on nitrogen-fixing cyanobacteria and an application method thereof, so as to efficiently replace part of chemical fertilizers, reduce agricultural non-point source pollution, improve soil fertility and promote healthy growth of crops.

Photobioreactor

Resumen de: CN120098752A

The photobioreactor comprises a box body, a light source assembly and an aeration module, a containing cavity is formed in the box body, the light source assembly is detachably arranged in the containing cavity, a light source is arranged in an outer cylinder, the outer wall of the outer cylinder gradually inclines towards the box body from bottom to top, and an aeration pipe is located below the light source assembly. When the aeration pipe performs upward aeration, as the outer wall of the outer cylinder is in an inclined state, bubbles always rise along the outer wall surface of the box body, so that the bubbles strongly scour the outer wall of the outer cylinder in the rising process to prevent microalgae from growing on the outer wall of the outer cylinder in a wall-attached manner, and light generated by the light source assembly can penetrate through the outer cylinder to be emitted out. The light source assembly is arranged in the reactor, so that the effectiveness of illumination during long-term microalgae culture in the reactor is ensured, the light availability is improved, the microalgae can grow under sufficient illumination, the yield of the microalgae is improved, the illumination intensity of the light source assembly does not need to be improved, and the culture cost of the microalgae is reduced.

Device for treating aquaculture tail water by utilizing marine microalgae and treatment method thereof

Resumen de: CN120097592A

The invention provides a device for treating aquaculture tail water by utilizing marine microalgae and a treatment method thereof, and belongs to the technical field of aquaculture tail water. The device comprises a box body, a pretreatment mechanism and a purification mechanism, a pretreatment bin, a waste collection bin, a purification bin, a first precipitation bin, a second precipitation bin and a third precipitation bin are arranged in the box body, the pretreatment mechanism is installed in the pretreatment bin, and the pretreatment mechanism comprises a filter cartridge and a first rotating shaft; the filter cartridge is rotatably mounted in the pretreatment bin, and a gear ring is fixedly mounted on the surface of the filter cartridge. By arranging the pretreatment mechanism, tail water is introduced into the filter cartridge, suspended matters and organic matters in the tail water are filtered, the subsequent purification efficiency is improved, the filter cartridge is driven by the motor to rotate, impurities accumulated on the inner wall of the filter cartridge are fed into the waste collection bin through a spiral blade to be collected, use is convenient, water is fed into a branch pipe through a water pump, and the water treatment efficiency is improved. The surface of the filter cartridge is spray-washed by the nozzle, so that the filter cartridge is prevented from being blocked by impurities, and the filtering effect is ensured.

Pollution and carbon reduction method for rare earth ammonia nitrogen wastewater by utilizing microalgae closed reaction

Resumen de: CN120097520A

The invention discloses a method for reducing pollution and carbon in rare earth ammonia-nitrogen wastewater by utilizing a microalgae closed reaction. The method comprises the following steps: preparing an ammonia-nitrogen wastewater culture medium, inoculating microalgae, pressurizing CO2 in a reactor, regulating and controlling culture and monitoring and harvesting. According to the invention, the waste gas CO2 discharged in the rare earth production process can be effectively utilized, a cheap carbon source is provided for an ammonia nitrogen biological removal system, meanwhile, carbon reduction and decontamination are realized, and the defect that in the current technical scheme, the biological removal of ammonia nitrogen needs to additionally provide commercial carbon nutrition for the system is overcome; the reactor runs under the micro-positive pressure condition, CO2 gas mass transfer is enhanced, a sufficient carbon source is provided for microalgae growth, system escape of ammonia nitrogen and CO2 is avoided, and the defects that in the current technical scheme, the ammonia nitrogen recycling effect is poor, and ammonia nitrogen escapes are overcome.

MEDIUM ADDITIVE FOR CULTURING CULTURED MEAT, CELL CULTURE MEDIUM FOR CULTURING CULTURED MEAT COMPRISING SAME, AND METHOD FOR CULTURING CULTURED MEAT USING SAME

Resumen de: WO2025116258A1

The present invention relates to an invention utilizing a microalgae extract as a medium additive for culturing cultured meat. More specifically, the present invention uses an extract of chlorella, which is a kind of microalgae, as a medium additive component, thereby making it possible to effectively induce cross-differentiation from muscle stem cells into adipocytes and provide cultured meat having improved flavor by inducing cells in which muscle fat is present at the same time. In addition, the use of the medium additive of the present invention replaces fetal bovine serum, which is a culture medium component for cultured meat, or is used in combination with fetal bovine serum, thereby enabling a reduction in the use of expensive fetal bovine serum and enhancing the culture effect of cultured meat, thus providing cultured meat having excellent cost effectiveness.

G1-5 Compositions for anti- inflammation comprising an extract of microalgae Nannochloropsis sp. G1-5

Resumen de: KR20250080358A

본 발명은 미세조류 나노클로롭시스 속 G1-5(Nannochloropsis sp. G1-5) 균주의 메탄올 추출물을 유효성분으로 포함하는 항염증용 조성물에 관한 것으로, 나노클로롭시스 속 G1-5(Nannochloropsis sp. G1-5) 균주의 메탄올 추출물은 LPS로 자극을 준 RAW264.7 세포에서 산화질소(NO) 생성을 현저히 억제하고, 산화질소 합성효소(iNOS) 및 프로스타글란딘 합성효소 COX-2 발현을 억제하며, 전염증성 사이토카인인 TNF-α, 인터루킨-6(IL-6) 발현을 억제하는 항염증 효과를 나타내는 것을 확인함으로써, 나노클로롭시스 속 G1-5(Nannochloropsis sp. G1-5) 균주의 메탄올 추출물은 항염증용 조성물로 제공될 수 있으며, 질소산화물(NO) 생성 억제용 시약, 유도성 질소산화물 합성효소(iNOS) 발현 억제용 시약, COX-2 발현 억제용 시약, 염증성 사이토카인 발현 억제용 시약으로도 제공된다.

CULTURE DEVICE

Resumen de: US2025179407A1

A culture device comprises an accommodation part which is capable of accommodating a culture solution and a microalgae, and a plurality of guide parts which are provided to the accommodation part. A guide part has a main body part and a ceiling part which is provided to an upper end of the main body part. In the main body part, a gas is supplied to a lower end which faces a bottom part of the accommodation part. The ceiling part directs the gas from the guide part in one direction in the width direction of the accommodation part.

GLASS NOODLES WASTEWATER TREATMENT PROCESS BASED ON MICROALGAE

Resumen de: WO2025112477A1

The present invention relates to a glass noodles wastewater treatment process based on microalgae, belonging to the technical field of microbial wastewater treatment. Chlorella sorokiniana NZ1 and Monoraphidium sp. NZ4 are selected. An analysis of experiment results shows that when Chlorella sorokiniana NZ1 and Monoraphidium sp. NZ4 are subjected to mixed culturing, the biomass of both in the wastewater reaches the highest level. At the same time, the removal rates of water quality indicators also exhibit the most significant improvement; specifically, the removal rates of COD, TN, ammonia nitrogen, and TP can respectively reach 83.4%, 91.19%, 81.51%, and 78.71%. Thus, it can be concluded that subjecting the algal strains NZ1 and NZ4 to mixed culturing is the most effective glass noodles wastewater treatment method.

Vegetable-Based Food Product

Resumen de: US2025176603A1

A vegetable-based food product for use in chronic autoimmune thyroiditis (Hashimoto's disease) is described. It includes a mixture of cooked or steamed vegetables, nuts, herbs and water. It contains steamed broccoli and Brazil nuts and olive oil with omega-3 hemp oil and thyme and parsley and onion and black mustard and black cumin and garlic and curcumin and/or piperine and beta-glucans as a source of selenium from Shitake mushrooms (Lentinula edodes) along with a liquid extract of microalgae containing omega-3 acids and MCT (oil powder) and inulin and is enriched with a functional additive in the form of a highly concentrated vegetable protein isolate.

METHOD FOR DETERMINING OUTER MEMBRANE DETACHMENT IN CYANOBACTERIUM, DEVICE FOR DETERMINING OUTER MEMBRANE DETACHMENT IN CYANOBACTERIUM, AND PROGRAM

Resumen de: EP4563707A1

The present disclosure provides a method for determining deprivation of an outer membrane of a cyanobacterium with which whether an outer membrane is deprived from a cell wall can be readily determined. The method for determining deprivation of an outer membrane of a cyanobacterium according to the present disclosure includes a measurement step (S01) in which a concentration of at least one amino acid selected from the group consisting of isoleucine, leucine, tyrosine, and phenylalanine in a culture supernatant of a cyanobacterium is measured and a determination step (S02) in which whether an outer membrane of the cyanobacterium is deprived from a cell wall of the cyanobacterium is determined on the basis of the concentration of the at least one amino acid, the concentration being measured in the measurement step.

Application of nitrogen-fixing cyanobacteria in degradation of thiamethoxam in water body

Resumen de: CN120081507A

The invention discloses an application of nitrogen-fixing cyanobacteria in degrading thiamethoxam in water, which comprises the following steps: inoculating nitrogen-fixing cyanobacteria Nostoc sp.PCC7120 into a liquid culture medium, and pre-culturing to a logarithmic phase to obtain a first cyanobacteria solution; inoculating the first algae solution into a new liquid culture medium to obtain a second algae solution; and adding the second algae liquid into the thiamethoxam polluted water body for degradation so as to remove thiamethoxam. The nitrogen-fixing cyanobacteria Nostoc sp.PCC7120 can efficiently degrade and convert thiamethoxam in a water body, secondary pollution is not prone to being generated, the Nostoc sp.PCC7120 serves as the nitrogen-fixing cyanobacteria beneficial to the environment, thiamethoxam pollutants are degraded, meanwhile, a nitrogen source in the polluted environment can be improved through photosynthesis and nitrogen fixation, and the Nostoc sp.PCC7120 is easy to obtain, high in growth and reproduction speed, low in cost and suitable for application and popularization.

Cultivation nutrient solution suitable for directionally improving maximum water-holding capacity of coral island calcareous sand cyanobacteria crust

Resumen de: CN120082473A

The invention discloses a culture nutrient solution suitable for directionally improving the maximum water-holding capacity of coral island calcareous sand cyanobacteria crust. The culture nutrient solution contains 25g/L of glucose, 0.025 g/L of sodium dihydrogen phosphate, 0.1 g/L of potassium chloride, 0.05 g/L of magnesium chloride, 0.1 g/L of sodium nitrate, 0.005 g/L of ferrous chloride and the balance of water. Based on the cyanobacteria crust collected in situ, the hydrological characteristics of the cyanobacteria crust from the coral island calcareous sand are directionally improved by utilizing the artificially prepared culture nutrient solution, so that the development of the cyanobacteria crust can be promoted, the maximum water holding capacity of the crust can be improved, the use amount of an inoculation material is saved, the influence on the environment is reduced, and the economic benefit is increased. Therefore, the accumulation capacity of fresh water in the coral island is improved, a good material foundation is laid for change of an ecological environment system of the coral island, and the method has wide application value.

Pipeline type algae cultivation device

Resumen de: CN222935406U

The utility model relates to a pipeline type algae cultivation device which comprises a movable seat, a dissolved air tank and a circulating pump, side frames are arranged on two sides of the top of the movable seat, illumination sensors and controllers are arranged on the side frames, coiled pipes are arranged in the two side frames, fluorescent lamps are arranged on the side frames, the dissolved air tank is arranged on the side frames, one ends of the coiled pipes are connected to the top of the dissolved air tank, and the other ends of the coiled pipes are connected to the bottom of the dissolved air tank. An aeration pipe and a carbon dioxide sensor are arranged at the bottom in the dissolved air tank, the aeration pipe is connected with a carbon dioxide storage bottle arranged on the movable seat, and an electromagnetic valve connected to the aeration pipe is arranged on the carbon dioxide storage bottle; the controller is electrically connected to the illumination sensor, the fluorescent lamp, the carbon dioxide sensor and the electromagnetic valve. According to the utility model, microalgae are cultivated in the circulating pipeline, interference of external germs and pollution of other pollutants can be effectively reduced when people enjoy natural sunlight during outdoor cultivation, and when the light is insufficient, the fluorescent lamp can be used for supplementing light in time.

Porous Resin and Collection Device for Collecting Microalgae

Resumen de: KR20250077834A

본 발명은 미세조류를 포집하는 다공성 수지와 포집장치에 대하여 개시한다. 본 발명은 미세조류가 포함된 용수를 흡입하여 소정의 위치에 공급하는 동력부재; 상기 용수의 통과 시 포함된 미세조류가 포집되는 미세한 간격이 구비된 다공성수지로 형성되는 포집부재; 상기 포집부재가 내부 적재실에 장착되는 지지프레임과, 상기 지지프레임의 상부 및 하부에 입수구와 출수구가 구비되는 채취부재;를 포함하는 구성으로 이루어진다.

Feed additive for optimizing nutritional ingredients of poultry eggs

Resumen de: CN120052467A

The invention relates to a feed additive for optimizing nutritional ingredients of poultry eggs. The feed additive comprises natural grains, soybean flavone, lotus leaves, microalgae and a microalgae extract. The feed additive comprises the following raw materials in percentage by weight: 20-70% of corn, 5-10% of wheat bran, 5-10% of soybean meal, 2-5% of soybean isoflavone, 5-10% of lotus leaf powder, 10-20% of spirulina powder, 5-10% of chlorella powder and 5-20% of haematococcus pluvialis. The preparation method comprises the following steps: fully stirring and uniformly mixing the components, sub-packaging, adding into laying fowl feed according to the proportion of 1-2wt%, fully and uniformly mixing, feeding laying hens, and domesticating and feeding for 2-3 weeks to obtain eggs rich in nutritional ingredients such as proteins, flavonoid compounds, algae source carotenoids, vitamins, inorganic salts and the like. Compared with common eggs, the egg yolk cholesterol content can be reduced by more than 1/4; the egg white and the yolk are clear in boundary, the yolk is orange red, the fishy smell is obviously smaller than that of common eggs, and the yolk tastes fine and smooth; the obtained feed additive has a remarkable optimization effect on nutritional ingredients of poultry eggs, meanwhile, the taste and quality are improved, and economic benefits are increased.

A METHOD OF PRODUCING KOMBUCHA WITH A HIGH CONTENT OF BIOACTIVE COMPOUNDS USING MICROALGAE DERIVATIVES

Resumen de: WO2025110939A1

The invention relates to a novel food with high bioactive compound content that can be used in the food industry and to a production method. The invention particularly relates to a method of producing a new food with a high content of bioactive compound by using edible microalgae and / or microalgae derivatives and a food obtained by this production method. In the present invention, the said food is in particular a beverage, more particularly a Kombucha tea beverage.

Microalgae incubator

Resumen de: CN222923128U

The utility model discloses a microalgae incubator and belongs to the technical field of incubators. The microalgae culture box comprises a box body, a containing cavity is formed in the box body, a plurality of partition plates are arranged in the box body at intervals in the first direction, and microalgae culture bottles are placed on the partition plates; the light source assembly is arranged on the side wall of the box body; the first pipeline assembly comprises a first main pipe and a plurality of first branch pipes, the plurality of first branch pipes are communicated with the first main pipe, one end of each first branch pipe is inserted into a culture solution of the microalgae culture bottle, and the first branch pipes are used for conveying carbon dioxide into the microalgae culture bottle; and the shaking table module is arranged at the bottom of the partition plate and is used for uniformly shaking the culture solution in the microalgae culture bottle. According to the utility model, the growth speed of the microalgae is increased, and the rapid cultivation of the microalgae is facilitated.

Method for degrading new pollutants through co-culture of microalgae and graphene oxide

Resumen de: CN120058125A

The invention belongs to the field of environmental governance and biology, and provides a method for degrading new pollutants through co-culture of microalgae and graphene oxide, which comprises the following steps: S1, preparing graphene oxide through a Hummers method, and carrying out ultrasonic dispersion pretreatment; s2, carrying out expanding culture on freshwater algae, namely the clostridium clostridium, in an SE culture medium to a logarithmic phase, collecting algae cells, and adjusting the algae cells to target density; s3, mixing the graphene oxide prepared in the step S1 with the algae liquid in the step S2, and carrying out co-culture under the conditions of illumination and shaking table; s4, adding wastewater containing new pollutants into the co-culture system, and removing the pollutants through the synergistic effect of the adsorption effect of graphene oxide and the metabolic degradation effect of microalgae; s5, regularly sampling and analyzing the concentration change of the pollutants, and evaluating the degradation efficiency; according to the method disclosed by the invention, through co-culture of the graphene oxide and the acuminate clobetosa and the synergistic effect of GO adsorption and algae degradation, the pollutants are thoroughly mineralized, the removal efficiency of the refractory pollutants is remarkably improved, and the application range is widened.

Preparation method and application of microalgae beta-1, 3-glucan-rosmarinic acid conjugate

Resumen de: CN120053675A

The invention belongs to the technical field of functional component delivery system preparation, and particularly discloses a preparation method and application of a microalgae beta-1, 3-glucan-rosmarinic acid conjugate. According to the invention, beta-1, 3-glucan is extracted from microalgae Poterioochromonas malhamensis, and the beta-1, 3-glucan and rosmarinic acid are subjected to a simple esterification reaction to prepare the microalgae beta-1, 3-glucan-rosmarinic acid, so that the yield of the microalgae beta-1, 3-glucan-rosmarinic acid is increased, and the yield of the microalgae beta-1, 3-glucan-rosmarinic acid is increased. The microalgae beta-1, 3-glucan-rosmarinic acid conjugate can improve the antioxidant activity, anti-inflammatory activity and bioavailability of the rosmarinic acid, slow down the release speed of the rosmarinic acid in gastrointestinal tracts and improve the release and anti-cancer activity of the rosmarinic acid in colon.

Lignocellulose pretreatment liquid biological detoxification and resource utilization method based on Chlorella sorokiniana

Resumen de: CN120061157A

The invention discloses a biological detoxification and resource utilization method for a lignocellulose pretreatment solution based on Chlorella sorokiniana, and belongs to the technical field of environmental protection. Microalgae are inoculated into lignocellulose pretreatment liquid, and toxic substances in the lignocellulose pretreatment liquid are subjected to biological detoxification. According to the present invention, with the application of the Chlorella sorokiniana, the furfural can be converted into the low-toxicity furfuryl alcohol, the furfuryl alcohol and the vanillin can be adopted as the organic carbon source so as to be used for biomass accumulation, the high value-added product can be produced, and the resource utilization of the lignocellulose pretreatment liquid can be achieved;

Method for harvesting bait microalgae and application thereof

Resumen de: CN120059957A

The invention relates to the field of microalgae organisms, and discloses a method for harvesting bait microalgae, which is characterized by comprising the following steps: (1) mixing diatomite and chitosan with a bait microalgae culture solution for flocculation; and (2) introducing a ferric ion compound into the mixed solution for sedimentation. The method for harvesting the bait microalgae, disclosed by the invention, is suitable for various bait microalgae and bait microalgae in different culture periods; according to the method, the applicable initial algae liquid concentration is high, the applicable initial algae liquid concentration range is large, the harvesting time is short, and the flocculation efficiency is high.

Continuous flow two-stage microalgae biological carbon sequestration and product induction process based on intracellular nitrogen level regulation and control

Resumen de: CN120054212A

The invention relates to the field of sewage/wastewater treatment and biological carbon sequestration, in particular to a continuous flow two-stage microalgae biological carbon sequestration and product induction process, which comprises a culture pre-induction primary carbon sequestration stage and a product induction accumulation reinforced carbon sequestration stage. The method provided by the invention can solve the problems of long start delay period, slow biological accumulation rate, lack of directional induction regulation means and the like of traditional two-stage induction, and realizes efficient linkage of biological carbon fixation and carbon conversion. The process disclosed by the invention can be applied to deep denitrification in a water treatment process, is coupled with absorption and purification of flue gas and biogas CO2, and realizes fixed recovery and reutilization of carbon and nitrogen resources while carbon emission reduction is realized.

Composition bioactive dérivée du sous-produit de l'extrait de microalgue Dunaliella salina, riche en polyphénols aux effets antioxydants pour la conservation de l'huile d'argan

Resumen de: MA63147A1

The present invention relates to a bioactive formula with antioxidant action designed to preserve argan oil, produced from the microalgae Dunaliella salina. This formula has a polyphenol concentration equivalent to 1% (w/w), preferably exceeding 5% (w/w). The invention also includes a process for extracting and purifying this bioactive composition.

Algae-inhibiting bacterium and application thereof

Resumen de: CN120060045A

The invention discloses an algal-inhibiting bacterium and application thereof, the classification name of the algal-inhibiting bacterium is Bacillus velezensis C408, the preservation number of the algal-inhibiting bacterium is CCTCC NO: M 2025025, the preservation date is January 6, 2025, the preservation unit is China Center for Type Culture Collection, and the preservation unit address is Wuhan University, Wuchang District, Wuhan City, Hubei Province. The algal inhibiting bacteria are used for inhibiting or killing blue-green algae. The algae-inhibiting bacterium has a directional inhibition effect on cyanobacteria, the algae-inhibiting substance of the algae-inhibiting bacterium has heat resistance and acid and alkali resistance, the algae-inhibiting bacterium can play a good algae-inhibiting effect in an actual lake water body, and the algae-inhibiting bacterium also has a certain regulation effect on water quality and has a wide application prospect in the aspect of cyanobacterial bloom treatment. The algistat does not harm an in-situ water body, belongs to an environment-friendly algistat, and can reduce the algistat cost.

Parasol-type streetlights for air purification using microalgae

Resumen de: KR20250075833A

본 발명은 미세조류를 이용한 공기정화 파라솔형 가로등의 제작방법에 관한 것으로, 더욱 상세하게는 미세조류가 담겨있는 공기정화 파라솔형 가로등의 기둥 아래부분에 설치된 벤치와 파라솔을 고정시키고 LED를 달 수 있는 기둥 윗부분을 제작할 수 있는 제작 방법에 관한 것이다.이를 위하여 본 발명은 미세조류를 담을 수 있는 공기정화 파라솔형 가로등의 기둥과, 오염된 공기를 흡수함과 동시에 미세조류로 공급하는 에어 펌프가 설치된 발명품을 이용하는 시민들에게 편의를 제공할 수 있는 벤치, 파라솔을 고정하고 미세조류가 정화한 깨끗한 공기를 내보낼 수 있는 환기구가 달려 있으며 미세조류가 24시간 내내 오염된 공기를 정화할 수 있도록 LED를 달 수 있는 발명품의 윗부분으로 구성되어 있으며 세 부품을 모두 조립하여 미세조류를 담았을 때 공기 정화의 효력을 발휘한다는 점에 특징이 있다.

NOVEL SCHIZOCHYTRIUM SP. STRAIN AND METHOD FOR PRODUCING OIL CONTAINING OMEGA-3 USING SAME

Resumen de: EP4560005A1

A Schizochytrium sp. strain, which is a high-bio-oil-producing microalgae containing a high concentration of DHA, of the present invention, has high bio-oil productivity due to a high crude fat content in a produced biomass, and has the characteristic of containing a high content of docosahexaenoic acid within cells. Accordingly, the strain itself, a biomass produced by culturing and fermenting the strain, and its concentrates and extracts can be helpfully used as a feed composition or food composition.

Method for evaluating toxicity of organic pollutants to marine organisms

Resumen de: CN120041534A

The invention discloses a method for evaluating toxicity of organic pollutants to marine organisms, and belongs to the technical field of pollutant toxicity evaluation. According to the method for evaluating the toxicity of the organic pollutants to the marine organisms, three microalgae are adopted as biological models, the average toxicity value is obtained by integrating the growth dose-effect relationship of the three microalgae to evaluate the toxicity of the organic pollutants to be detected, and compared with single microalgae, the toxicity grade of the organic pollutants can be more comprehensively and effectively reflected; besides, non-linear least square fitting is carried out on concentration-inhibition rate data through two two-parameter non-linear functions Weibull and Logit, an optimal fitting function is judged according to a correction determination coefficient (R2adj) and an average absolute error (MAE), and the obtained half-inhibition concentration is more accurate. Therefore, the method provided by the invention is more real, comprehensive and accurate, and has important application value in the evaluation of the toxicity of the organic pollutants to the marine organisms.

Bacteria-algae co-immobilized material and application thereof in red tide treatment of prorocentrum donghaiense

Resumen de: CN120041432A

The invention discloses a bacterium-alga co-immobilized material and application thereof in red tide treatment of prorocentrum donghaiense, and belongs to the field of microorganisms for harmful red tide treatment. According to the invention, alteromonas algicidal bacteria and autotrophic non-red-tide microalgae Tetraselmis are co-immobilized on the same carrier in an adsorption manner to form a bacteria-algae co-immobilized material. The bacterium-algae co-immobilization material has high algae-lysing performance on prorocentrum donghaiense red tide, the algae-lysing rate is 100% within 36 hours, and the algae-lysing rate is 84.07% after the bacterium-algae co-immobilization material is repeatedly used for four times. The bacteria-algae co-immobilized material has the characteristics of no toxicity, strong water absorption, high stability, reusability and the like, and can be effectively used for treating harmful algal blooms of red tide algae such as prorocentrum donghaiense.

Potamogeton malabaricus phyllosphere attachment bacterium ML5 with algae-lysing activity and application thereof

Resumen de: CN120041349A

The invention discloses potamogeton malabaricus phyllosphere attachment bacteria ML5 with algae-lysing activity and application of the potamogeton malabaricus phyllosphere attachment bacteria ML5, and belongs to the technical field of ecological microorganisms. The bacterium ML5 is named as Priesta aryabhattai ML5, the strain is preserved in Guangdong Province Microbial Culture Collection Center located at No.100, Xianlie Middle Road, Guangzhou City, Guangdong Province, the preservation number is GDMCC No: 65778, the preservation date is January 13, 2025, and the strain can be separated from potamogeton malabaricus phyllosphere. The invention further provides a microbial algicidal preparation containing the potamogeton malabaricus phyllosphere attached bacterium ML5. The method is used for biological prevention and control of freshwater cyanobacterial bloom, especially invasion cyanobacteria cuscuta larakii, and has a wide application prospect.

Method for promoting microalgae carbon sequestration by amine degradation product based on amine method carbon capture

Resumen de: CN120041306A

The invention discloses a method for promoting microalgae carbon sequestration based on amine degradation products of amine method carbon capture. The method specifically comprises the following steps: (1) extracting and separating an amine degradation product; (2) adding the extracted amine degradation product into a microalgae culture solution; (3) inoculating microalgae into the culture solution containing the amine degradation product; (4) introducing flue gas CO2 into the culture solution, adjusting the pH value to 7-8, and stopping introducing gas; (5) when the pH value rises to 10-11, repeating the step (4) until the microalgae reach a mature period; and (6) harvesting a mature microalgae product. An amino functional group in the amine degradation product reacts with CO2, so that the mass transfer process of CO2 is enhanced; besides, most of amine degradation products are carboxylic acid amine salts, and as amphoteric compounds, the amine degradation products have a good pH buffering effect and can effectively reduce damage to microalgae cells in the high-concentration CO2 ventilation process. Meanwhile, the carboxylic acid amine salt is beneficial to hydrolysis of a product after CO2 is absorbed into inorganic carbonate, so that the carbon sequestration efficiency of the microalgae is remarkably improved.

Novel schizochytrium sp. Strain and method for producing omega-3-containing oil using same

Resumen de: CN120051557A

The Schizochytrium sp. Strain of the present invention is a high bio-oil-producing microalgae containing a high concentration of DHA, has high bio-oil productivity due to the high crude fat content in the produced biomass, and has the characteristic of containing a high content of docosahexaenoic acid in cells. Thus, the strain itself, biomass produced by culturing and fermenting the strain, and concentrates and extracts thereof can be advantageously used as a feed composition or a food composition.

Chlorella pyrenoidosa heterotrophic high-density proliferation method

Resumen de: CN120041365A

The invention relates to the technical field of microalgae heterotrophic culture and biomass proliferation, in particular to a chlorella pyrenoidosa heterotrophic high-density proliferation method. The specific technical scheme is as follows: the heterotrophic high-density proliferation method of chlorella pyrenoidosa comprises the following steps: pre-culture and heterotrophic propagation of chlorella pyrenoidosa: inoculating a chlorella pyrenoidosa solution into a BG11 culture medium, and culturing for 3-4 days in a constant-temperature shaking table with the temperature of 25 +/-1 DEG C, the rotating speed of 200rpm and the light-dark ratio of 0h: 24h to obtain a primary culture chlorella solution; inoculating the primary culture algae liquid into a pre-sterilized and optimized heterotrophic culture medium, and carrying out expanding culture under the same culture condition for 3-4 days to obtain a secondary expanding culture algae liquid; (2) a heterotrophic high-density culture stage: regularly supplementing a nutrient culture medium containing high-concentration glucose, nitrate and phosphate by adopting an index fed-batch feeding strategy; other conditions are kept consistent during culture; and (3) an in-situ protein accumulation induction stage: when the chlorella pyrenoidosa reaches an exponential growth end stage, adding paclobutrazol into the system, and keeping other conditions consistent while keeping exponential fed-batch culture. According to the method disclo

Drilling fluid biotoxicity evaluation method based on microalgae rapid chlorophyll fluorescence

Resumen de: CN120026077A

The invention discloses a drilling fluid biotoxicity evaluation method based on microalgae rapid chlorophyll fluorescence, and relates to the technical field of drilling fluid biotoxicity evaluation methods, the drilling fluid biotoxicity evaluation method comprises the following steps: S1, culturing microalgae in a photobioreactor, and activating and culturing the microalgae as a seed solution for later use; s2, taking the waste drilling fluid with different concentration gradients as experimental group culture conditions, setting a control group, and inoculating the control group into a photobioreactor filled with the seed solution for culture to obtain a culture system; s3, measuring Fv/Fm in rapid chlorophyll fluorescence parameters of the culture system; s4, calculating the inhibition ratio of the waste drilling fluid to the microalgae; s5, screening and determining the time required by the evaluation method; s6, EC50 of the concentrated control substance and EC50 of the waste drilling fluid are obtained according to the required time of the evaluation method, Fv/Fm in rapid chlorophyll fluorescence parameters is used as a detection index, the inhibition condition of microalgae can be more accurately represented, and the evaluation period is shortened.

METHOD FOR THE PRESERVATION OF MICROALGAL STRAINS IN A SEMI-SOLID MEDIUM (Machine-translation by Google Translate, not legally binding)

Resumen de: ES3020982A1

Method for the conservation of microalgal strains in a semi-solid medium. The present invention relates to a method for the medium- to long-term conservation of microalgal strains in a semi-solid medium. Advantageously, the method of the invention comprises carrying out the following steps: (a) providing a first culture vessel, where said vessel contains a semi-solid microalgal culture medium comprising an agar concentration between 0.1-1.0% v/v; (b) depositing a microalgal strain on the semi-solid microalgal culture medium; and (c) incubating the microalgal strain deposited on the semi-solid microalgal culture medium at a temperature between 15-30 ° C and under incident irradiation of {IMAGE-01} with a photoperiod of between 16:8 to 8:16 (light:dark) for a time between 7-30 days. (Machine-translation by Google Translate, not legally binding)

Photocatalytic porous skeleton for microalgae carbon sequestration as well as preparation method and application of photocatalytic porous skeleton

Resumen de: CN120022953A

The invention belongs to the technical field of CO2 capture and utilization, and particularly relates to a photocatalytic porous skeleton for microalgae carbon sequestration and a preparation method and application thereof. The photocatalytic porous skeleton comprises a porous skeleton, and a carbon black layer, a carbon nanotube layer and a photocatalyst layer which are sequentially arranged on the porous skeleton, the porous framework is made of polyurethane sponge; the photocatalyst is g-C3N4/TiO2 (titanium dioxide). The photocatalytic porous skeleton prepared by the invention can obviously enhance the carbon sequestration effect of photosynthesis of microalgae, can double the CO2 removal rate of a column type microalgae photobioreactor with the capacity of 100L, and can convert captured CO2 into organic matters.

Micrococcus algal oil embedding method with starch base as wall material

Resumen de: CN120021775A

The invention discloses a method for embedding microalgae oil by taking a starch base as a wall material. The method comprises the following steps: weighing starch sodium octenylsuccinate, slowly adding the starch sodium octenylsuccinate into single distilled water, heating and stirring until the starch sodium octenylsuccinate is completely dissolved to obtain a water-phase solution; the preparation method comprises the following steps: weighing algae oil of micrococcus, absolute ethyl alcohol and fatty acid monoglyceride, mixing and stirring to obtain an oil phase solution; stirring the water phase solution under the condition that the speed is 10000 to 12000 r/min, then slowly adding the oil phase solution into the water phase solution, and then continuously stirring for 10 to 20 minutes to obtain an emulsion; freezing the emulsion at-80 DEG C for 12 hours, then carrying out vacuum freeze drying for 72 hours, then crushing to obtain microcapsule powder coated with micrococcus oil, and sealing and storing the microcapsule powder. According to the method, active substances of the micrococcus faecalis oil are not damaged, the embedding rate is good, a high-temperature environment is not used in the production process, operation is easy, and the method is suitable for large-scale processing and production.

FOOD SUPPLEMENT

Resumen de: US2025161385A1

A feed additive for farm animals and poultry is provided, including biomass and/or cultural liquid of the microalgae Chlorella vulgaris together with chlorellin in a titer of 108-1014 CFU per 1 ml of cultural liquid and/or biomass. Related methods are also provided.

METHODS AND COMPOSITIONS FOR TREATING SOIL AND PLANTS

Resumen de: US2025162956A1

The present invention comprises methods and compositions comprising a microalgae consortium. A composition comprises at least one genera of microalgae flocculated by Paenibacillus polymyxa strain, Strain 2, deposited under the Budapest Treaty as ATCC Accession No. PTA-12841. Methods of treating the soil comprise adding a composition of the present invention to soil.

Composition for treating contaminated water containing microalgae as an active ingredient and its use

Resumen de: KR20220152129A

The present invention provides an environmentally friendly water treatment method for treating polluted water including reverse osmosis concentrated water containing high nutrients, ions and metal elements through Chlorella spp. and Desmodesmus spp. that consume large amounts of nutrients very efficiently and grow rapidly under various sewage conditions, and at the same time manufacturing biofuel.

Method for preserving microalgae plants

Resumen de: CN120005729A

The invention relates to the technical field of plant preservation, and discloses a method for preserving microalgae plants. The invention aims to improve the existing microalgae plant preservation method, especially the preservation method for bait microalgae, so as to solve the problems that the existing microalgae preservation time is short, nutritional ingredients are lost after preservation, the activity is reduced and the like. According to the microalgae preservation method, choline chloride is added to maintain the balance of a carbon source and a nitrogen source in a culture medium, nickel salt is added to promote the activity of algae photosynthetic pigments in a stable period, and the purpose of prolonging the preservation time and activity of algae is achieved. The microalgae preserved by the method disclosed by the invention can be preserved for a longer time on the premise of the same activity, and has higher activity on the premise of the same preservation time, and the activity of the microalgae preserved by the method is several times of that of microalgae preserved by a conventional method. The microalgae plant preservation method does not use toxic and expensive reagents, is environment-friendly, and can greatly promote the popularization and application of the microalgae industry.

Microalgae exosome nano-particles for targeting liver cancer tissue and preparation method of micro-algae exosome nano-particles

Resumen de: CN120000611A

The invention discloses a microalgae exosome nano-particle for targeting liver cancer tissue and a preparation method thereof, and belongs to the technical field of biomedical materials, the method comprises the following steps: (1) preparing a microalgae cell exosome by combining an ultracentrifugation method, an ultrafiltration method and a size exclusion method, microalgae cells being chlorella cells or synechocystis cells, and the particle size of the microalgae cell exosome being 30-150nm; and (2) loading an immune checkpoint inhibitor into the microalgae cell exosome by an electroporation method to obtain a drug-loaded microalgae exosome, and carrying out membrane fusion on a liver tumor cell membrane and the drug-loaded microalgae exosome to prepare the microalgae exosome nanoparticles targeting the liver cancer tissue. The prepared microalgae exosome nanoparticles have the advantages of good liver cancer tissue targeting property, good biological safety and exact and accurate drug curative effect, and have wide application prospects in tumor treatment.

Floating algae culture device

Resumen de: CN222877925U

The utility model discloses a floating algae culture device, which belongs to the technical field of microalgae biology and comprises a floating component floating on a water body, a microalgae fixing part used for fixing microalgae is arranged in the floating component, a feed port is arranged on one side of the floating component and connected with a feed pump through a feed pipe, and a discharge port is arranged on the other side of the floating component and connected with the feed pump through a discharge pipe. The discharging port is connected with a discharging pipe, and a transparent protective film is arranged above the floating assembly. The floating assembly is placed in a water body, microalgae are attached to the microalgae fixing piece before production, then the feeding pump is started, waste water rich in nitrogen and phosphorus enters the floating assembly sequentially through the feeding pump, the feeding pipe and the feeding port, and the waste water is discharged back to the water body again through the discharging port and the discharging pipe after passing through the microalgae fixing piece attached with the microalgae. Nitrogen and phosphorus in the wastewater are absorbed by the microalgae, so that the production requirements of the microalgae can be met, and the wastewater can be treated; the device has the advantages that the occupied area is not wasted, the equipment investment is reduced and the like.

Microalgae culture device for strong light

Resumen de: CN222877916U

The utility model discloses a microalgae culture device for strong light, which belongs to the technical field of microalgae biology and comprises a light source system and a microalgae culture system, the light source system comprises a high-power LED lamp, a condenser, a light guide optical fiber and a light guide plate, and the high-power LED lamp converges light through the condenser and transmits the light to the light guide plate through the light guide optical fiber; and the light guide plate is arranged in the microalgae culture system. Microalgae liquid is placed in the cultivation device, the light source system provides strong light for the cultivation device, the high-power LED lamp gathers light through the condenser and transmits the light to the light guide plate through the light guide optical fiber, the light guide plate evenly disperses the light, light and heat are separated, only light is guided into the cultivation system, and the trouble of too high temperature is avoided. The device disclosed by the utility model can meet the production and application requirements of strong-light microalgae.

Marine microalgae culture device

Resumen de: CN222877929U

The utility model relates to the technical field of marine microalgae culture, and discloses a marine microalgae culture device which comprises an S-shaped culture tube, the S-shaped culture tube is arranged in an S shape, and the two ends of the S-shaped culture tube are open. By arranging the S-shaped culture tube, the S-shaped culture tube can be used for culturing marine microalgae, meanwhile, the S-shaped culture tube is of an S-shaped design, openings in the two ends of the S-shaped culture tube can be used for adding sterilized seawater, releasing algae species, inflating oxygen and the like, cultured bait can be discharged through the arrangement of the discharge port, and algae which sink to the bottom and die can be cleaned in time; the cover body can seal the discharge port, cultured baits or algae which are cleaned to be dead at the bottom can directly fall into the material bearing box at the bottom after being discharged from the discharge port, after the materials are collected by the material bearing box, the buckle is pushed open by a hand, the clamping state of the buckle and the material bearing box is relieved, and therefore the material bearing box can be pulled out from the bottom of the S-shaped culture tube, and the culture tube can be conveniently and rapidly taken out from the bottom of the S-shaped culture tube. And the device is convenient to clean.

Multifunctional microneedle patch as well as preparation method and application thereof

Resumen de: CN120000623A

The invention discloses a multifunctional microneedle patch as well as a preparation method and application thereof, and belongs to the technical field of pharmaceutical preparations. The multifunctional microneedle patch comprises a substrate layer and a microneedle array, the microneedle array is arranged on the substrate layer, the microneedle array is loaded with microalgae exosomes and copper sulfide nanoparticles, the hydrogel material is used for encapsulating the microalgae exosomes and the copper sulfide nanoparticles to prepare the microneedle patch, and the microneedle patch has the advantages that the microneedle patch is used for preparing the microneedle patch; the microalgae exosome has a treatment effect of repairing radiation injury, the copper sulfide nanoparticles have a photoresponsive anti-infection effect, and the microneedle structure has the advantages of minimally invasive, painless and slow release of drugs, so that local surface and deep tissues maintain ideal drug concentration in a certain period of time. The multifunctional microneedle patch disclosed by the invention has good biocompatibility, is simple and feasible in preparation process, is easy to store and use, and has a wide application prospect in the field of radioactive injury.

Microalgae biological fertilizer as well as preparation method and application thereof

Resumen de: CN120004656A

The invention relates to the technical field of microbial fertilizers, in particular to a microalgae biological fertilizer and a preparation method and application thereof, and the method comprises the following steps: step 1, algae liquid inoculation, step 2, graded propagation cultivation, step 3, algae cell screening, step 4, compounding and mixing, and step 5, finished product preparation. According to the invention, the microalgae such as the terriella variabilis, the small monofidus algae and the chlorella pyrenoidosa are adopted and combined with the microalgae biological fertilizer prepared by the preparation method disclosed by the invention, so that the competition of the microalgae for nutrients can be reduced, meanwhile, the nutrients can be better produced, and the growth of crops is facilitated.

DUNALIELLA SALINA MICROALGAE WITH HIGH GROWTH RATE UNDER LOW-SALT CONDITIONS, AND METHOD FOR PRODUCING BETA-CAROTENE BY USING SAME

Resumen de: WO2025100941A1

The present invention provides Dunaliella salina microalgae having the ability to produce beta-carotene at a NaCl concentration of 0.1M or less. In addition, the present invention provides a method for producing beta-carotene, comprising a step of culturing the Dunaliella salina microalgae.

MICROALGAE COMPOSITIONS AND METHODS FOR TREATING DISEASE

Resumen de: WO2025101437A1

In an aspect, the disclosure provides methods for making LC-PUFA and VLCFAs in a host organism. The LC-PUFA and VLCFAs can be new chemical entities, well-known LC-PUFA, and derivatives of LC-PUFA as well as VLCFAs. The host cells can be microalgae, fungi or other host cells. In a related aspect, the disclosure provides host cells engineered to have biochemical pathways for making LC-PUFA and VLCFAs.

CELL CULTURE COMPOSITION CONTAINING MICROALGAE EXTRACT AND USE THEREOF

Resumen de: EP4553150A1

The present invention relates to a cell culture composition containing an extract from microalgae of the Thraustochytrid family. It has been found that when muscle cells are cultured in a medium containing an extract derived from the biomass of microalgae belonging to the Thraustochytrid family according to the present disclosure, the proliferative capacity of muscle cells is enhanced. Therefore, the cell culture composition including the microalgae extract can be used as a substitute for fetal bovine serum among the components of cell culture media.

ENHANCED TRIACYLGLYCEROL PRODUCTIVITY AND EXTRACTABILITY IN AN ENGINEERED MICROALGA

Resumen de: WO2024008896A1

The present invention relates to an engineered unicellular Stramenopile microalga comprising a loss of function of the homologous Seipin gene, an in vitro method of producing triacylglycerols (TAG), and uses thereof.

Haematococcus pluvialis culture medium and preparation method thereof

Resumen de: CN119979332A

The invention belongs to the technical field of microalgae culture, and particularly provides a haematococcus pluvialis culture medium and a preparation method thereof.The haematococcus pluvialis culture medium is prepared from 1-3 mg/L of sodium acetate, 0.01-1 mg/L of cobalt nitrate hexahydrate, 0.01-1.6 mg/L of copper sulfate, 0.1-1.2 mg/L of zinc sulfate heptahydrate, 1-3 mg/L of manganese chloride tetrahydrate, 1-10 mg/L of boric acid, 1-30 mg/L of sodium carbonate, 1100-1500 mg/L of sodium nitrate, 0.01-6 mg/L of EDTA, 20-50 mg/L of calcium chloride, 70-100 mg/L of magnesium sulfate heptahydrate, 40-100 mg/L of monopotassium phosphate trihydrate and 0.02 g of inorganic phosphorus; the method comprises the following specific steps: S1, culturing haematococcus pluvialis to a stable phase by a conventional method, inoculating haematococcus pluvialis species into a haematococcus pluvialis culture medium, and culturing; s2, shaking table; s3, culturing for 45 hours; s4, inoculating the seed solution into a haematococcus pluvialis culture medium, and continuously culturing in the shaking table for 6-15 days; the culture medium disclosed by the invention has a good promotion effect on the growth of haematococcus pluvialis and the accumulation of astaxanthin.

Multi-stage ecological pig raising wastewater treatment system

Resumen de: CN222861292U

The utility model relates to the technical field of sewage treatment, in particular to a multi-stage ecological pig raising wastewater treatment system, which comprises an anaerobic baffled reactor, an anaerobic baffled reactor, an anaerobic baffled reactor and an anaerobic baffled reactor, a plurality of partition walls are arranged in the anaerobic baffled reaction tank and are divided into a plurality of independent anaerobic baffled reaction chambers, water passing pipes are arranged at the upper parts of the partition walls, and sewage sequentially flows among the anaerobic baffled reaction chambers through the water passing pipes; mud guide inclined walls are arranged on two sides of the bottom of the anaerobic baffling reaction tank; a settling mud inclined wall is arranged below the water outlet of the anaerobic baffling reaction tank; the multi-stage reverse-flow anaerobic biological filtration unit is communicated with the anaerobic baffling reaction tank; comprising a plurality of filter chambers filled with filler, and the filter chambers are sequentially communicated through water passing holes which are formed in a high-low staggered manner; the aerobic ecological purification system comprises a middle water tank, and part of effluent of the middle water tank flows back to the anaerobic baffled reactor and the microalgae purification tank. The device is friendly to ecological environment, low in energy consumption, small in dosage, low in operation cost and simp

DUNALIELLA SALINA MICROALGAE HAVING BETA-CAROTENE PRODUCTION CAPACITY AND BETA-CAROTENE PRODUCTION METHOD USING THE SAME

Resumen de: KR20250066401A

본 발명은 0.1M 이하의 NaCl 농도에서 베타카로틴 생산 능력을 갖는, 두날리엘라 살리나(Dunaliella salina) 미세조류를 제공한다. 또한 본 발명은 상기 두날리엘라 살리나 미세조류를 배양하는 단계를 포함하는, 베타카로틴 생산방법을 제공한다.

Application of boron nitride in microalgae culture

Resumen de: CN119979414A

The invention relates to application of boron nitride in microalgae culture and a method for culturing microalgae, which comprises the step of adding boron nitride into a culture system. By constructing a hexagonal boron nitride-cyanobacteria co-culture system and combining the carbon dioxide adsorption performance of a nano material and the biological directional synthesis capability of cyanobacteria, more efficient carbon dioxide capture and conversion are realized, and meanwhile, the growth speed and biomass of cyanobacteria and the yield of a target product are also improved. The innovative strategy not only can enhance the photosynthetic carbon sequestration efficiency of cyanobacteria, but also provides a new technical route for promoting green and low-carbon development, and gives consideration to both high economic benefit and low-carbon environmental protection.

Application of synechocystis in removal of cadmium ions

Resumen de: CN119977172A

The invention relates to application of synechocystis in removal of cadmium ions and a method for reducing cadmium ions in an environment, and the method comprises a step of culturing synechocystis in the environment. By means of the method, the concentration of free-state cadmium ions in the environment can be reduced to about 10 micrograms/L, and cadmium in the environment is greatly reduced after cadmium particles outside microalgae and cells are removed. Although the concentration of cadmium ions which can be treated by the method provided by the invention is relatively low and is 1mg/L or below, the concentration of the cadmium ions in the supernatant can be finally reduced to a very low value, so that the method can be used for further cadmium removal after primary cadmium removal of a water sample, and extremely low cadmium emission is realized.

Cell culture compositions comprising microalgae extracts and uses thereof

Resumen de: CN119998442A

The present invention relates to a cell culture composition comprising an extract of thraustochytriaceae microalgae. It has been found that the proliferative capacity of muscle cells is enhanced when the muscle cells are cultured in a culture medium according to the present disclosure comprising an extract derived from a microalgae biomass belonging to the Thraustochytridae family. Thus, the cell culture composition comprising the microalgae extract can be used as a substitute for fetal calf serum in the cell culture medium component.

Method for assisting microalgae oil production by using nitrogen-fixing bacteria and simultaneously treating fermentation waste gas

Resumen de: CN119979626A

The invention discloses a method for assisting microalgae oil production by nitrogen-fixing bacteria and treating fermentation waste gas at the same time. The method comprises two stages of microalgae breeding and co-culture oil production. In the breeding stage, the microalgae take CO2 in fermentation waste gas which is not pretreated as a carbon source, and high-density culture is realized in a nitrogen-containing culture medium. When the nitrogen source in the culture medium is consumed, inoculating multifunctional nitrogen-fixing bacteria into a culture system and co-culturing with the microalgae. Nitrogen in the fermentation waste gas is converted into a nitrogen source of the microalgae under the action of nitrogen-fixing bacteria, so that the concentration of the low nitrogen source is maintained to promote the microalgae to produce oil, and secretions mainly comprising extracellular polymeric substances and volatile organic compounds derived from the fermentation waste gas, which are generated by microalgae culture, are decomposed. Effective treatment of fermentation waste gas and high-density culture of microalgae are achieved, the oil content of the microalgae is increased, culture water can be repeatedly used by reducing the content of residual organic matter and total nitrogen, the problem that the amount of microalgae culture wastewater is large is solved, and good environmental benefits and application prospects are achieved.

RU.521-EVs anti-radiation nanogel as well as preparation method and application thereof

Resumen de: CN119970620A

The invention provides RU.521-EVs anti-radiation nanogel as well as a preparation method and application of the RU.521-EVs anti-radiation nanogel. The RU.521-EVs anti-radiation nanogel is a nanogel obtained by loading microalgae-derived extracellular vesicles and a small molecule compound RU.521 on chitosan nanoparticles formed by cross-linking chitosan, and the extracellular vesicles and the small molecule compound RU.521 are derived from microalgae. The RU.521-EVs anti-radiation nanogel has higher adhesion and permeability in the lung and effectively releases RU.521 and EVs, the RU.521 and EVs can synergistically play anti-inflammatory and anti-oxidation roles, local anti-oxidation and anti-inflammatory defense reactions of the lung are effectively started, the excellent anti-radiation effect is shown, and the RU.521-EVs anti-radiation nanogel can be used for preventing and treating radiation-induced lung injury.

Method for inducing and improving microalgae grease accumulation by using mannose

Resumen de: CN119955871A

The invention belongs to the technical field of microalgae oil biosynthesis, and discloses a method for improving microalgae oil accumulation through mannose induction. The invention relates to application of mannose in culturing microalgae to improve oil accumulation of the microalgae. The concentration of the mannose in a culture medium is not lower than 0.5 g/L. Specifically, the method comprises the following steps: inoculating a microalgae seed solution into a culture medium containing mannose for inducing grease accumulation culture; or firstly inoculating the microalgae seed solution into the culture medium for culture, and then adding mannose into the culture medium for continuous culture in the culture process, so that the accumulation of the microalgae grease is improved by utilizing the mannose. The invention reveals that the grease accumulation of the microalgae can be improved when the mannose is applied to microalgae culture for the first time, and the grease content of the microalgae under different environmental conditions and growth states can be simply, flexibly and quickly induced and improved by using the concentration of the mannose which is not lower than 0.5 g/L.

Novel method for producing algae composition

Resumen de: CN119968116A

Systems and methods for growing microalgae, preferably Chlorella genus (Chlorella sp.), capable of metabolism of mixed nutrition. Microalgae grown in a system using the method can survive and grow in dark refrigeration, which enables the algae to be stored and transported for application as live cultures. Furthermore, the microalgae can grow in sufficient amounts for commercial sales for application as a biostimulant to crops.

MICROALGAE CULTIVATION AND HARVESTING DEVICE TO IMPROVE INDOOR AIR QUALITY

Resumen de: KR20250064315A

실내 공기질 개선을 위한 미세조류 배양 및 수확장치에 관한 것으로서, 보다 구체적으로, 상기 미세조류 배양 및 수확장치는 각각 별도로 설치된 미세조류 배양기, 배수부 및 건조부를 포함함으로써 보다 간편하게 미세조류를 배양하고 이를 수확하는 것에 특징이 있다.

Feed for improving semen quality of old boars and application

Resumen de: CN119949439A

The invention discloses a feed for improving the quality of semen of an old boar and an application of the feed. The feed disclosed by the invention is prepared from the following components in parts by weight: 8 to 10 parts of corn, 18 to 23 parts of red sorghum, 37 to 43 parts of hulled barley, 12 to 17 parts of bran, 0.5 to 1.5 parts of functional fiber, 7 to 9 parts of soybean meal, 1.5 to 2.5 parts of fish oil or microalgae powder, 1.3 to 1.4 parts of mountain flour, 1 to 1.2 parts of monocalcium phosphate, 0.4 to 0.5 part of sodium chloride, 0.2 to 0.3 part of lysine, 0.1 to 0.15 part of L-threonine, 0.1 to 0.15 part of choline chloride, 1 to 1.5 parts of betaine and 0.5 to 1 part of a premix for boars. After the feed is applied, the total effective sperm number of the aged boars is remarkably increased, the sperm motility and form are improved, the breeding age limit is prolonged, the production value is increased, and the biological safety risk caused by the high renewal rate is reduced.

Marine microalgae-derived antibacterial oligopeptide and application thereof

Resumen de: CN119954907A

The invention relates to the technical field of biology, in particular to a marine microalgae-derived antibacterial oligopeptide and application thereof. The antibacterial oligopeptide is Qz5707, Qz16317, Qz1933 or Qz13244 which is derived from marine microalgae, and the antibacterial oligopeptide is prepared from the marine microalgae; and modifying any one or more amino acids in the oligopeptide to obtain a sequence. The antibacterial oligopeptide disclosed by the invention has relatively strong antibacterial activity and wide antibacterial spectrum, can be applied to aquatic feed additives and food preservatives, and can also be developed into antibacterial agents, antibacterial drugs and the like, so that the antibacterial oligopeptide has a wide application prospect.

Straw-based biofilm carrier as well as preparation method and application thereof

Resumen de: CN119954303A

The invention relates to the technical field of sewage treatment. More specifically, the invention relates to a straw-based biofilm carrier, and a preparation method and application thereof. The invention provides a straw-based biofilm carrier and a preparation method thereof, and a phycomycete symbiotic system is constructed by taking crop straw as a biofilm culturing carrier and is applied to aquaculture tail water treatment. The straw can be used as carrier filler for growth of microalgae and bacteria on one hand, and can slowly release organic matters as a carbon source for growth of microorganisms attached to the organic matters in the degradation process on the other hand. Microalgae photosynthesis can provide oxygen for aerobic bacteria, aeration is not needed when the culture tail water is treated, aged biological membranes on straw are peeled off regularly through impact of water flow and collected to serve as fish bait, and organic matter, nitrogen, phosphorus and other nutrient elements in the culture tail water can be recycled while the culture tail water is treated.

Water treatment optimization method and system based on microalgae growth prediction

Resumen de: CN119954315A

The invention relates to the technical field of biological sewage treatment, in particular to a water treatment optimization method and system based on microalgae growth prediction. Acquiring a real-time water quality pollution parameter set and real-time water environment data of the target water treatment area, constructing a real-time water environment simulation field by using the real-time water environment data, simulating and generating a microalgae future growth model through the real-time water environment simulation field, and performing spatial hash coding analysis and optimization treatment on the polluted water quality of the real-time water quality pollution parameter set; and combining the real-time water quality pollution parameter set and the real-time water environment data to construct a real-time water quality pollution scale thermal model of the target water treatment area, and querying and judging whether the water quality pollution scale of the local water treatment area is abnormal or not through the real-time water quality pollution scale thermal model to execute sewage treatment of microalgae growth regulation. According to the invention, corresponding water treatment operation can be carried out by analyzing the sewage purification performance of microalgae growth, so that water treatment rationalization is ensured, and the water quality is effectively improved.

SYSTEM FOR THE CULTIVATION OF MICROALGAE

Resumen de: WO2025094221A1

The invention refers to the biotechnological sector of growth processes of photosynthetic organisms such as microalgae, and relates to a system (100) for the cultivation of microalgae (A) comprising: mains water supply means (10); a treatment section (20) for the incoming water; a preparation section (30) of a concentrated solution (SC) of treated water and nutrients (N); a general loading and compensation tank (40); a growth section (50) for said microalgae (A) comprising a plurality of reactors (R); means for feeding (60) a growth gas in said reactors (R); a separation section (70) of said microalgae (A) from the growth liquid and total recovery of the liquid itself; a hydraulic circuit connecting said sections of said system (100); - a command and control unit (80). Said general tank (40) is adapted to contain a growth solution, comprising said concentrated solution (SC), treated water for its dilution and recovery water comprising said growth liquid, to distribute it to said reactors (R) so as to create, within each reactor (R), a growth environment for said microalgae (A).

ALGAE-BASED BIOPLASTICS AND METHODS OF MAKING

Resumen de: US2025145938A1

Provided for are methods of producing triacylglycerol-accumulated microalgae, methods for making bioplastics from triacylglycerol-accumulated microalgae, methods for making alga-mixed plastics, and products including these bioplastics. Methods of triacylglycerol accumulation using centrifugation are also provided. Products such as plastic beads and other consumer products can be made from the bioplastics described herein.

MICROALGA DISPERSION AND PREPARATION METHOD OF MICROALGA DISPERSION

Resumen de: US2025145937A1

A method for preparing a microalgal dispersion from a microalga-containing liquid, the microalga-containing liquid containing a microalga having a body length of less than 1000 μm, the method including a concentration step of performing cross flow filtration of the microalga-containing liquid using a hollow fiber membrane, wherein a circulation linear velocity in the cross flow filtration in the concentration step is in a range of 0.2 m/sec or more and 1.3 m/sec or less.

Method for recycling cyanobacteria mud and kitchen waste by using hermetia illucens larvae

Resumen de: CN119924265A

The invention belongs to the technical field of organic waste recycling, and particularly relates to a method for recycling cyanobacteria mud and kitchen waste by using hermetia illucens larvae. And mixing the pretreated cyanobacteria mud with the kitchen waste to obtain a mixed feed, and adding a bacillus inoculant for aerobic fermentation to obtain hermetia illucens larvae and larva sand. By regulating and controlling the matching of the matrix and the synergistic effect of the fungicide, the nutritional value and the utilization efficiency of the mixed feed are increased, and the black soldier flies grow faster in the early stage. The bred hermetia illucens larvae can be used as a high-quality protein feed, and the larva sand can be used as an organic fertilizer raw material. According to the method disclosed by the invention, collaborative recycling of the cyanobacteria and the kitchen waste is realized, and a biological solution capable of being applied on a large scale is provided for treatment and utilization of the water-blooming cyanobacteria mud.

Sample collection container for liquid microalgae space technology test

Resumen de: CN119931821A

The invention discloses a sample collection container for a liquid microalgae space technology test. The sample collection container comprises a vibration isolation soft bag, a heat preservation module and a sample collection container, the vibration isolation soft bag is composed of an upper cover, a bag body and a zipper, a vibration isolation body made of polymer foam materials is arranged in the upper cover and used for relieving the influence of impact, overload, vibration and other environments on the heat preservation module and the sample collection container in the rocket launching and returning capsule returning period, and internal objects are protected to be smoothly injected into a rail and returned. The heat preservation module is composed of a shell, an inner cover and an inner container, and the inner container is filled with phase change cold storage materials. And the temperature control effect is achieved. And a suitable environment is provided for the liquid-based microalgae needing low-temperature descending. The sample collection container is composed of a bottle body, a one-way conducting valve, a diaphragm, a connector, a protective cap, a bottle cap and a guide pipe, and sample collection under the weightless environment is achieved. According to the invention, through vibration isolation design, air pressure balance design and one-way sealing design, a sample collection container and package for reliable liquid algae sample collection and protection

Solid culture medium for microalgae separation culture and microalgae separation method

Resumen de: CN119931838A

The invention provides a solid culture medium for microalgae separation culture and a microalgae separation method, and belongs to the technical field of algae separation, the solid culture medium provided by the invention comprises the following components: 30-40 g/L of agar, 0.2 g/L of KNO3, 0.02 g/L of KH2PO4, 0.005 g/L of FeSO4. 7H2O, 0.02 g/L of EDTANa2, 0.0005 g/L of MnSO4, 0.04 g/L of Na2SiO3, 6 mu g/L of vitamin B1, and 50 ng/L of vitamin B12. When the solid culture medium and the separation method provided by the invention are used for separating the microalgae, the separation time of the microalgae can be greatly shortened, the purity of the microalgae is improved, high-quality microalgae resources are provided for subsequent research, large-scale culture and application of the microalgae, and the solid culture medium and the separation method have wide application prospects and important practical values in the related fields of the microalgae.

Microalgae hydrogel particle in-situ treatment device for nitrogen and phosphorus removal of bay water body

Resumen de: CN222834110U

The utility model relates to the technical field of deep nitrogen and phosphorus removal of a water body, in particular to an in-situ treatment device suitable for a bay water body denutrition process, which comprises a support device and a microalgae hydrogel particle bearing device, the supporting frame is used for supporting and fixing the microalgae hydrogel particle bearing device and is fixedly connected with the floating cylinder, and the floating cylinder is fixedly connected with the vertically arranged heavy object so as to realize the positioning of the height in water. According to the water eutrophication in-situ treatment device provided by the utility model, biomass fixation and in-situ nitrogen and phosphorus removal are carried out by arranging the capsule body filled with the microalgae hydrogel particles, and the microalgae hydrogel particles are used as a buffer, so that microalgae biomass grows in the hydrogel, the biomass can be effectively enriched under a certain stress environment condition, and the water eutrophication in-situ treatment device has the advantages that the water eutrophication in-situ treatment effect is improved; the problems that biomass of a traditional biological membrane is lost and the integrity of a cell membrane is damaged due to the influence of hydraulic shearing force are solved.

Culture optimization method for improving microalgae output

Resumen de: CN119931836A

The invention relates to a culture optimization method for improving microalgae output, equipment of the culture optimization method comprises a transparent culture container, a stirring paddle located in the culture container and an auxiliary light source for forming uniform light supplement on the peripheral surface of the culture container, the speed of the stirring paddle is adjustable, and the illumination intensity of the auxiliary light source is adjustable. The culture optimization method mainly comprises three experimental groups, the first experimental group selects stirring paddle stirring blade types, the second experimental group selects stirring paddle rotating speeds, and the third experimental group selects illumination intensity, so that the culture optimization method is used as an optimization scheme for subsequent microalgae culture, and the yield of microalgae is increased.

Sewage treatment device and sewage treatment method

Resumen de: CN119930098A

The invention relates to the technical field of sewage treatment, and discloses a sewage treatment device and a sewage treatment method.The sewage treatment device comprises a container, a diaphragm, a light source and a backflow pipe, a containing cavity is formed in the container, the diaphragm is arranged in the container and divides the containing cavity into a first area and a second area, and the diaphragm is suitable for small molecules and soluble solids to pass through; the light source is arranged on one side of the second area, the backflow pipe is communicated with the first area and the second area, the interior of the container is divided into two spaces through the diaphragm, sludge can only react in the first area, microalgae can only conduct photosynthesis in the second area, and the microalgae subjected to photosynthesis flows back into the first area through the backflow pipe, so that the microalgae can be recycled, and the yield of the microalgae is improved. The sludge activity can be improved, the sewage treatment aeration energy consumption can be reduced, the sewage treatment nitrogen and phosphorus removal effect can be improved, and CO2 emission in the sewage treatment process can be reduced, so that the pollution reduction and carbon reduction coordinated synergism target of sewage treatment can be realized.

Application of P450 monooxygenase in increasing content of fucoxanthin in microalgae

Resumen de: CN119932129A

The invention belongs to the technical field of biology, and discloses application of P450 monooxygenase in increasing the content of fucoxanthin in microalgae, the microalgae with the fucoxanthin synthesis and/or light stress response capacity improved and a construction method of the microalgae. Researches find that P450 monooxygenase is closely related to synthesis of fucoxanthin and plays a regulating role in light stress response of diatom, and overexpression of P450 monooxygenase can cause increase of the content of fucoxanthin in microalgae; under the condition of light stress, the content of fucoxanthin in a transformant is greatly increased compared with that of wild type fucoxanthin. According to the invention, an engineering algal strain with improved fucoxanthin synthesis and/or light stress response capability is also obtained, a material basis is provided for the biosynthesis industrialization of fucoxanthin, and the additional value of microalgae culture is improved at the same time.

Oral broad-spectrum vibrio subunit microalgae vaccine for aquatic products and preparation method thereof

Resumen de: CN119925585A

The invention belongs to the field of microorganisms, and particularly relates to an oral broad-spectrum vibrio subunit microalgae vaccine for aquatic products and a preparation method of the oral broad-spectrum vibrio subunit microalgae vaccine. The invention provides an aquatic oral broad-spectrum vibrio subunit microalgae vaccine which expresses vibrio membrane protein OmpK by taking microalgae as a vaccine carrier. The gene expression cassette of the vibrio membrane protein OmpK is inserted into a genome of microalgae, and the sequence of the gene expression cassette of the vibrio membrane protein OmpK is as shown in SEQ ID NO: 4 after sequence optimization. When the microalgae vaccine is used for feeding cultured animals such as fishes and shrimps, the vibrio resistance can be remarkably improved, the environmental safety is high, and the large-scale production cost is low.

Multi-channel tubular photo-oxidation bioreactor device

Resumen de: CN222821568U

The utility model discloses a multichannel tubular photo-oxidation bioreactor device, which relates to the technical field of microalgae culture and online monitoring and comprises a water bath box, a gas regulation and control module, a dissolved oxygen monitoring module, an optical density monitoring module and a PH (potential of hydrogen) monitoring module. A glass culture tube and a temperature control module are mounted in the water bath box, the dissolved oxygen monitoring module extends into the glass culture tube through a probe or a sensor, and the optical density monitoring module is in contact with the glass culture tube through an optical sensor or a probe, so that accurate culture conditions are provided, and the microalgae culture efficiency is improved; according to the device, a controllable algae culture environment is provided, meanwhile, real-time monitoring of dissolved oxygen, OD value, PH and temperature is achieved, collection and analysis of scientific research data are facilitated, a user can conveniently set a culture program and check measurement data through a graphical interface of a control system, and the device is convenient to install and use due to the compact machine body structural design.

BIO-BASED TAURINE PRODUCTION

Resumen de: US2025137018A1

The present invention describes methods for the fermentative production of taurine-containing products from unicellular organisms. More particularly, the invention relates to genetic modifications of the taurine and/or substrate biosynthetic pathways in unicellular organisms that include bacteria, algae, microalgae, diatoms, yeast, or fungi. The invention also relates to fermentation and processing methods for the production of various taurine-containing products. The invention also relates to the use of the cells, fermentation broth or extracts that contain taurine to produce products for use in food, feed, beverages, dietary and health supplements, cosmetics, personal care, pharmaceuticals, or agricultural production.

CHLORELLA MICROALGA AND USE THEREOF IN WASTEWATER TREATMENT

Resumen de: WO2025086320A1

Provided are a Chlorella microalga and the use thereof in wastewater treatment, the microalga being Chlorella sp., and the accession number thereof being CCTCCM 20231952. The wastewater includes municipal wastewater, food processing wastewater, printing and dyeing industrial wastewater and animal husbandry breeding wastewater.

SYSTEM AND METHOD FOR CULTIVATING AND HARVESTING CYANOBACTERIAL BIOMASS

Resumen de: US2025136922A1

Disclosed is a system for cultivating and harvesting a cyanobacterial biomass. The system comprises at least one vessel that, when in operation, grows the cyanobacterial biomass in a nutrient growth media under regulated growth conditions and a base unit configured to receive the at least one vessel. The system also comprises at least one light source and a cultivation air pump that, when in operation, supplies light, heat and air to the at least one vessel. Notably, the cultivation air pump supplied air via a one-way air valve in the at least one vessel. The system also comprises at least one photodiode that, when in operation, measure a cyanobacterial biomass concentration in the at least one vessel. Disclosed also is a method for cultivating and harvesting a cyanobacterial biomass.

Active cyanobacteria dry land fertilizer as well as preparation method and application thereof

Resumen de: CN119899054A

The invention belongs to the technical field of agricultural biology and the technical field of compound fertilizers, and discloses an active cyanobacteria dry land fertilizer and a preparation method and application thereof.The method comprises the following steps that cyanobacteria is cultured and harvested to obtain cyanobacteria concentrated pulp, then the cyanobacteria concentrated pulp is rinsed with a drying protective agent, and the active cyanobacteria dry land fertilizer is obtained; preferably, symbiotic rhizobium is added into the cyanobacteria concentrated slurry, and the cyanobacteria concentrated slurry is mixed with a matrix material to obtain a cyanobacteria embedding material; then drying and crushing the cyanobacteria concentrated slurry or the cyanobacteria embedding material to obtain cyanobacteria dry powder; and adding the cyanobacteria dry powder into a plant fertilizer or an edible fungus fertilizer or water or a soil improvement product to obtain the active cyanobacteria dry land fertilizer. Based on adsorption and embedding of plant growth promoting substances contained in cyanobacteria by the drying protective agent, the active cyanobacteria dry land fertilizer has the advantages of being resistant to storage and transportation, capable of remarkably promoting plant growth, suitable for various field environments, capable of improving soil and increasing fertility and the like.

Self-control type food wastewater advanced treatment reactor based on algal membrane and use method of self-control type food wastewater advanced treatment reactor

Resumen de: CN119898922A

The invention discloses an algal membrane-based self-controlled food wastewater advanced treatment reactor and a use method, and relates to the field of food production wastewater treatment, and the algal membrane-based self-controlled food wastewater advanced treatment reactor comprises a water absorption room, a microalgae biological treatment unit, an ultrafiltration membrane separation unit, an effluent and biomass collection device and a computer control system. The secondary treatment effluent of the food processing wastewater flows into the water absorption chamber through the water inlet pipe, most of original suspended matters are removed through the ceramsite layer and the gravel layer, the effluent enters the microalgae biological treatment unit through the water absorption pipe, and main residual pollutants such as nitrogen, phosphorus and organic matters in the secondary treatment effluent of the production wastewater are removed in the microalgae biological treatment unit. Meanwhile, microalgae utilize nutrient substances in the wastewater to accumulate biomass, and after the microalgae biomass is accumulated to a certain level, algae liquid of the microalgae biological treatment unit enters the ultrafiltration membrane separation unit to separate the microalgae from the wastewater, so that the traditional MBR treatment process is optimized, the occupied space is reduced, and the wastewater treatment efficiency is improved. The method has a wide application pros

Natural reoxygenation enhanced nitrogen and phosphorus removal cascade artificial wetland system

Resumen de: CN119874043A

The invention relates to the technical field of constructed wetlands, in particular to a natural reoxygenation enhanced nitrogen and phosphorus removal cascade constructed wetland system. The system is provided with a first-stage constructed wetland, a second-stage ecological pond and a third-stage constructed wetland which are sequentially connected in a falling manner, wetland plants are planted in the first-stage constructed wetland and the third-stage constructed wetland; ecological pond plants are planted in the second-stage ecological pond through floating rafts, non-woven fabric is arranged below the floating rafts, and microalgae are enriched on the non-woven fabric; a mixed matrix of volcanic rock, zeolite and magnesite is arranged in the first-stage constructed wetland, a mixed matrix of volcanic rock and zeolite is arranged in the third-stage constructed wetland, and the effluent part of the second-stage ecological pond flows back to the front end of the first-stage constructed wetland. By means of a series of treatment modes, removal of nitrogen and phosphorus is enhanced, the removal rates of ammonia nitrogen, nitrate nitrogen, total nitrogen, COD and total phosphorus can reach 98.8%, 99.2%, 99.0%, 93.52% and 94.0% respectively, and the method has wide application prospects.

Photo-biological circulating fixed bed reaction system and method for purifying urine based on microalgae

Resumen de: CN119874042A

The invention belongs to the technical field of domestic sewage treatment, and particularly relates to a photobiological circulating fixed bed reaction system and method for purifying urine based on microalgae, and the photobiological circulating fixed bed reaction system comprises a circulating fixed bed reactor, a lighting system, an aeration system and a liquid driving system, the photo-biological circulating fixed bed reaction system consists of a circulating fixed bed reactor, a lighting system, an aeration system and a liquid driving system; clinoptilolite is used as a filler of the fixed bed area, the concentration of ammonia nitrogen in the urine can be greatly reduced in the cyclic adsorption process, so that a favorable environment is provided for growth of microalgae, the concentration of the ammonia nitrogen in the treated urine is reduced to a quite low level, and under the action of concentration gradient pressure, the concentration of the ammonia nitrogen in the urine is reduced to a quite high level. The clinoptilolite filler loaded with ammonia nitrogen can desorb ammonia nitrogen into urine, a nitrogen source is provided for growth of microalgae, and meanwhile regeneration of the clinoptilolite filler is achieved in the process.

Microalgae culture method

Resumen de: CN119875841A

The invention relates to a microalgae culture method, which comprises the following steps: carrying out first culture on a first microalgae species, and separating the cultured material to obtain a first culture clear liquid; a second microalgae species and the first culture clear liquid are mixed, second culture and third culture are sequentially carried out, and the third culture is carried out in the presence of a grease inducer. According to the method disclosed by the invention, the grease content of a microalgae product can be remarkably improved on the premise of not influencing the microalgae biomass accumulation level, and the utilization value of microalgae biomass is improved.

Brevibacillus laterosporus GBW-M0 and application thereof in aquaculture

Resumen de: CN119875879A

The invention provides brevibacillus laterosporus GBW-M0 and an application of the brevibacillus laterosporus GBW-M0 in aquaculture. The brevibacillus laterosporus GBW-M0 is classified and named as brevibacillus laterosporus, and the preservation number of the brevibacillus laterosporus GBW-M0 is CGMCC (China General Microbiological Culture Collection Center) No. 32335. The brevibacillus laterosporus GBW-M0 is subjected to seed solution preparation and immersion fermentation, and brevibacillus laterosporus GBW-M0 fermentation liquor is prepared. The brevibacillus laterosporus GBW-M0 fermentation liquor can reduce the concentration of enterocytozoon hepatopenaeus carried in the bodies of penaeus vannamei, is further used for preventing and controlling microsporidiosis of aquaculture animals, and can also inhibit the growth of microcystis aeruginosa, so that the brevibacillus laterosporus GBW-M0 fermentation liquor is used for treating cyanobacterial bloom in aquaculture water, and the success rate of aquaculture is improved.

Polysaccharide-producing talsalonema and application thereof in treatment of high-nitrogen and high-phosphorus wastewater

Resumen de: CN119875842A

The invention discloses a strain of polysaccharide-producing Trichothrix sp. And application of the polysaccharide-producing Trichothrix sp. ZSL-NS5 in high nitrogen and phosphorus wastewater treatment. The strain named as the Trichothrix sp. ZSL-NS5 is preserved in the China Center for Type Culture Collection on November 7, 2024, and the preservation number is CCTCC NO.M 20242470. The invention further discloses a preparation method of the polysaccharide-producing Trichothrix sp. ZSL-NS5. The application of the polysaccharide-producing Trichothrix sp. ZSL-NS5 in the high nitrogen and phosphorus wastewater treatment of the polysaccharide-producing Trichothrix sp. The algal strain is separated from wastewater of an aerobic pond of a dairy farm, has relatively strong wastewater tolerance and pollutant purification capacity, and has a total phosphorus removal rate of more than 95%, an ammonia nitrogen removal rate of nearly 100%, a TN removal rate of more than 85% and a COD removal rate of more than 70%. Besides, the talsalonema has the capability of producing microalgae EPS and polysaccharide, the polysaccharide content of the talsalonema reaches 63%, the yield of the talsalonema is obviously higher than that of common microalgae, and the talsalonema has the application value of preparing chemical raw materials and drugs.

Acinetobacter with algal inhibition capability and application of acinetobacter

Resumen de: CN119875900A

The invention discloses acinetobacter with algal inhibition capability and application thereof, and relates to the technical field of microorganism and environmental organic pollutant repair and governance, the acinetobacter with algal inhibition capability is preserved in Guangdong Microbial Culture Collection Center, and the preservation number is GDMCC NO.65654. The acinetobacter with algal inhibition capability is preserved in Guangdong Microbial Culture Collection Center; the 16SrDNA nucleotide sequence of the acinetobacter is shown as SEQ ID NO: 7, and the acinetobacter is applied to treatment of cyanobacterial bloom. The method comprises the following steps: extracting an extracellular culture of cylindrotheca, culturing on a beef extract peptone solid culture medium, extracting a single colony from a culture product, preserving, inoculating into a beef extract peptone liquid culture medium, continuously culturing, and carrying out PCR (Polymerase Chain Reaction) amplification on bacteria separated from the culture product by adopting a specific primer pair. The obtained amplification product is subjected to sequencing and contrastive analysis, bacteria are identified to be the acinetobacter with the algae inhibition capacity, the growth of blue-green algae can be effectively inhibited, and the method has the advantages of being environmentally friendly, low in cost and remarkable in algae control effect.

Method for improving key enzyme to promote euglena to degrade phenol and enhance carbon sequestration

Resumen de: CN119875986A

The invention discloses a technology for degrading phenol and sequestering carbon by microalgae, and aims to provide a method for improving key enzyme to promote euglena to degrade phenol and enhance carbon sequestration. Comprising the following steps: performing phenol concentration gradient domestication on euglena cells, and adjusting gene expression quantities of three key enzymes, namely H < + > transport ATP enzyme, pyruvate decarboxylase and isocitrate dehydrogenase in the euglena cells; carrying out enlarged culture growth on the euglena domesticated plant, adding a proper amount of phenol into a culture medium, and continuously introducing gas containing CO2; in the culture process, the carbon sequestration rate of the euglena is calculated by measuring the carbon element content in the biomass of the euglena liquid; and after the culture is finished, measuring the content of euglena polysaccharide in the algae liquid in unit volume, and measuring the content of phenol in the algae liquid to calculate the degradation rate of phenol. According to the method, the euglena cells are domesticated by adopting phenol concentration gradient, the expression quantity of key enzyme genes is increased by several times, the phenol degradation capacity of the euglena cells is enhanced, the carbon sequestration rate of the euglena cells is increased, and the content of polysaccharide in the cells can be increased at the same time.

Artificial crust compound biological agent and use method thereof

Nº publicación: CN119875937A 25/04/2025

Solicitante:

GANSU ACADEMY OF SCIENCES INST OF BIOLOGY
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Resumen de: CN119875937A

The invention discloses an artificial crust compound biological agent and a use method thereof, and aims to solve the problem of wound ecological restoration in Hexi corridor engineering construction. The compound biological agent is composed of a microalgae and artemisia desertorum gum mixed solution and bacillus powder, the microalgae comprise microcoleus vaginatus, pseudocladosporium javanicum and championia gracilis, the microalgae and the artemisia desertorum gum are mixed according to a specific proportion and then are compatible, and bacillus subtilis or bacillus mucilaginosus can be selected as the bacillus powder. When in use, the bacillus powder is firstly scattered, and then the microalgae artemisia desertorum gum mixed solution is sprayed. The compound biological agent provided by the invention can significantly improve the crust thickness, biomass and compressive strength of the sand soil, reduce the wind erosion rate, increase the contents of nitrogen, phosphorus, potassium and organic matters in the soil, effectively improve the ecology of the sand soil, and provide a new technology for wind erosion prevention and ecological restoration of the engineering slash in the arid region.