Alerta

EUKARYOTIC ALGAE COMPOSITIONS AND METHODS THEREOF

Absstract of: US20260159554A1

The present disclosure provides recombinant polynucleotide comprising a heterologous regulatory element operably linked to a first nucleic acid sequence encoding a cyanobacterial bicarbonate transporter protein. The disclosure also provides expression vectors comprising the recombinant polynucleotides as well as eukaryotic algae and methods of utilizing the eukaryotic algae for improved carbon removal and biomass production.

BIOSTIMULANTS AND ENHANCEMENT THEREOF IN SPIRULINA

Absstract of: EP4755865A1

0001 Biostimulant compositions and methods for enhancing soil organic carbon are provided. A mixture of bioavailable B12 and amino acids phenylalanine (Phe) and lysine (Lys) - was found to enhance soil organic carbon and crop growth due to synergistic effects between the bioavailable B12 and the PheLys. The bioavailable B12 and the PheLys may be derived from various sources, including, e.g., cyanobacteria (e.g., spirulina - Arthrospira platensis) or green algae (e.g., Nannochloropsis spp.) cultivated under photosynthetically controlled conditions to yield upregulated bioactive compounds such as bioavailable B12 and amino acids. One or more sources may be used to provide the bioavailable B12, Phe and Lys, and algal cultivation may be integrated with additional industries to yield synergistic biostimulation effects.

Composition for culturing microalgae containing rubidium chloride and method for producing carotenoids using the same

Absstract of: KR20260083143A

본 발명은 루비듐 클로라이드를 포함하는 미세조류 배양용 조성물 및 이를 이용한 카로티노이드 생산 방법에 관한 것이다. 구체적으로, 본 발명의 조성물 및 생산 방법을 활용하는 경우 루비듐 클로라이드(RbCl)를 저농도로 처리하였을 때 미세조류의 성장에는 영향을 미치지 않으면서도 카로티노이드의 생산량을 유의미하게 증가시킬 수 있으므로, 본 발명은 낮은 농도에서도 효율적인 색소 생산할 수 있는 신규한 미세조류 배양 기술을 제공한다.

CENTRIFUGAL-TYPE AUTOMATIC MICROALGAE HARVESTING DEVICE

Absstract of: WO2026117091A1

A disclosed centrifugal-type automatic microalgae harvesting device comprises: a centrifugal separation chamber for temporarily storing a culture medium in which microalgae supplied from a main incubator or sub-incubators are cultured; a harvesting motor for providing, into the centrifugal separation chamber, a centrifugal force that allows high-speed rotation required for harvesting the microalgae; and a harvesting drum which is provided inside the centrifugal separation chamber so as to receive, therein, the culture medium in which the microalgae are cultured, and which receives the centrifugal force from the harvesting motor so as to separate the microalgae from the culture medium such that the microalgae are collected and harvested.

CONTINUOUS EXPANSION-TYPE MICROALGAE CULTIVATION APPARATUS

Absstract of: WO2026117033A1

The disclosed continuous expansion-type microalgae cultivation apparatus comprises: a main cultivator for receiving water from the outside through a first pipeline, adding nutrients to the water to form a medium, and inoculating the medium with microalgae to cultivate the microalgae; a sub-cultivator for receiving, from the main cultivator, the medium inoculated with the microalgae and allowing expansion of cultivation of the microalgae; and a harvester for selectively receiving, from the main cultivator and the sub-cultivator, the medium in which cultivation of the microalgae is completed, to separate the microalgae from a filtrate, thereby harvesting the microalgae.

SYSTEM FOR PRODUCING MICROALGAE ON AN INDUSTRIAL AND COMMERCIAL SCALE

Absstract of: WO2025021864A2

The present invention relates to a system for producing microalgae on an industrial and commercial scale including a plurality of leak-tight productive units containing the microalgae culture and nutrients, a pressurized air driving element, a pneumatic circuit which introduces air in the mentioned units, and a hydraulic drive circuit and a hydraulic return circuit which allow circulation between the units with a central manifold, such that the distribution of ducts forming said circuits enables a homogeneity of the content of the leak-tight productive units to assure the production of microalgae on an industrial scale.

NOVEL USE OF AN EXTRACT OF THE MICROALGA PHAEODACTYLUM TRICORNUTUM

Absstract of: WO2025017264A1

The invention relates to a Phaeodactylum tricornutum extract or to a composition comprising same for facilitating the resumption of a physical activity, advantageously a sports activity, and/or reducing cardiovascular risks and/or risks related to fragile bones and/or joints when resuming a physical activity, advantageously a sports activity.

KGP1-12 Novel Chlorella sp. KGP1-12 microalgae that produces high levels of polyhydroxyalkanoate and method for inducible production of polyhydroxyalkanoate using thereof

Absstract of: KR20260071903A

본 발명은 폴리-3-하이드록시부티레이트(Poly-3-hydroxybutyrate, PHB) 및 이를 단량체로 하는 폴리하이드록시알칸산(Polyhydroxyalkanoate, PHA) 생산에 이용되는 신규 클로렐라 속 KGP1-12 미세조류에 관한 것으로, 보다 상세하게는 신규 클로렐라(Chlorella sp.) KGP1-12 미세조류; 상기 미세조류를 포함하는 폴리-3-하이드록시부티레이트 및/또는 폴리하이드록시알칸산 생산용 조성물; 상기 미세조류를 배양하여 폴리-3-하이드록시부티레이트 및/또는 폴리하이드록시알칸산을 생산하는 방법을 제공한다.

Method for preparing the microalgae-derived exosome analogue and composition for improving immunity comprising the same

Absstract of: KR20260070008A

본 발명은 미세조류 유래 엑소좀 유사체 제조방법, 이로부터 제조된 엑소좀 유사체 및 이를 포함하는 면역 증강용 조성물에 관한 것으로, 본 발명의 방법은 미세조류 유래 엑소좀 유사체를 효율적으로 생산할 수 있으며, 본 발명의 미세조류 유래 엑소좀 유사체는 베타글루칸을 포함하고 있는 바, 베타글루칸의 낮은 용해도 문제를 해결할 수 있으며 면역 증강 효과가 우수하여 의약품, 건강기능식품 또는 화장료 조성물로 활용될 수 있다.

AUDITORY SUPPLEMENTS CONTAINING MICROALGAE EXTRACTS

Absstract of: KR20260069186A

본 발명은 미세조류 추출물을 함유하는 청각 기능 보충제에 대한 것으로서, Limnothrix종 KNUA002 균주를 통해 추출된 미세조류 추출물인 스피루리나를 함유하여, LDL-C 수치, HDL-C 수치 등 다양한 대사 지표를 개선하고, IL-6 수치와 대사증후군 개별 위험 요인이 개선되도록 하며, 특히 복용자의 청각 기능이 개선되도록 한다.

MICROALGAE CULTURING APPARATUS HAVING DUAL STRUCTURE

Absstract of: KR20260066564A

본 발명은 외부수조; 상기 외부수조내 공기를 공급하는 에어토출부; 및 상기 외부수조 내부에 지지고정되고 상하 개방구조를 갖는 벽면으로 이루어진 관형구조체를 포함하는 이중구조를 갖는 미세조류 배양장치를 제공한다.

MICROALGAE CULTURING APPARATUS HAVING DUAL STRUCTURE

Absstract of: KR20260066565A

본 발명은 튜브형 반응기; 상기 튜브형 반응기내 공기를 공급하는 에어토출부; 및 상기 튜브형 반응기 내부에 수직하게 지지고정되는, 한쌍의 대향하는 채널바 구조체를 포함하는 이중구조를 갖는 미세조류 배양장치를 제공한다.

MICROALGAL OIL EMULSIONS AND USES THEREOF

Absstract of: WO2026095812A1

The present invention relates generally to nutritional compositions comprising an emulsion comprising one or more non-mammalian lipids and/or triacylglycerides, including such compositions having a lipid and/or triacylglyceride content comparable to that of mammalian milk, such as human milk. Particularly contemplated are nutritional compositions having a lipid and/or triacylglyceride content comparable to that of human milk, wherein at least some of the lipid and/or triacylglyceride is from microalgae.

Drug-loaded microalgae motor as well as preparation method and application thereof

Absstract of: CN121971648A

The invention relates to the technical field of micro-nano, and discloses a drug-loaded microalgae motor as well as a preparation method and application thereof. The drug-loaded microalgae motor comprises a microalgae motor and a nano-particle drug loaded on the microalgae motor, the microalgae motor is connected with the nano-particle drug through electrostatic adsorption, and microalgae is natural or engineered unicellular algae with movement ability. The nanoparticle drug is formed by self-assembling natural polysaccharide and natural active substances after covalent cross-linking. According to the invention, the microalgae motor can autonomously move in the gastrointestinal tract by utilizing the flagellum movement of the microalgae, and is actively targeted to the colitis disease part, so that the local concentration of the medicine is improved, and the curative effect is enhanced. The microalgae motor combines the strong anti-oxidation/anti-inflammatory activity of astaxanthin and the biological activity of microalgae, and can synergistically relieve colitis in multiple ways.

Microalgae Y-1 as well as culture method and application thereof

Absstract of: CN121975626A

The invention relates to the technical field of microorganisms, in particular to a microalgae Y-1 as well as a culture method and application thereof. According to the invention, a strain of green hammer microalgae Y-1 is found and identified, and the preservation number of the green hammer microalgae Y-1 is CCTCC NO: M 20252903. The gene sequence of the microalgae Y-1 is compared with the published algae gene sequence, and the microalgae Y-1 is confirmed to be a new species and belongs to the Chloridium genus by combining the comprehensive analysis of a micromorphological photograph. The successful separation and culture of the microalgae Y-1 not only provides an ideal material for the functional research of marine algae, but also lays a foundation for further exploring the symbiotic relationship between the microalgae Y-1 and coral. In addition, the microalgae Y-1 has potential application value in the fields of biological energy sources (biodiesel and hydrogen production), environmental restoration (wastewater treatment and CO2 fixation), agriculture and aquatic products (bio-fertilizers and feed additives) and the like.

Preparation method of microalgae biofilm microprotein organic water-soluble fertilizer

Absstract of: CN121974763A

The invention discloses a preparation method of a microalgae biofilm microprotein organic water-soluble fertilizer. The preparation method comprises the steps of microalgae biomass pretreatment, deep conversion and enzymolysis, microbial biofilm treatment, feed liquid concentration and blending and by-product treatment. Microalgae biomass is treated through acid-base wall breaking dissolution, advanced oxidation and proteolysis, a microbiological membrane is treated through calcium peroxide heating wall breaking, enzyme (MBE-3) enzymolysis and plate-frame pressure filtration, microprotein feed liquid is obtained and concentrated and blended into an organic water-soluble fertilizer, and by-products are dried to serve as the soil conditioner. According to the method, efficient conversion and full-value utilization of microalgae and microbial biological membrane resources are achieved, the protein extraction rate and the product fertilizer efficiency are improved, the process integration is high, and the ecological and economic benefits are remarkable.

Method for rapidly denitrifying high-turbidity biogas slurry by using carbon quantum dot-assisted microorganisms and application of carbon quantum dot-assisted microorganisms

Absstract of: CN121974499A

The invention belongs to the technical field of wastewater purification, and particularly relates to a method for rapidly denitrifying high-turbidity biogas slurry by using carbon quantum dot-assisted microorganisms and application of the method. The method comprises the following steps: inoculating microalgae into biogas slurry, adding carbon quantum dots, and uniformly mixing to construct a purification system; the purification system is subjected to continuous visible light irradiation, meanwhile, mixed gas of carbon dioxide and air is introduced, and photosynthetic denitrification purification treatment is conducted on the biogas slurry. According to the invention, the technical problems of inhibition of photosynthesis of microalgae, slow electron transfer of microorganisms, difficulty in recovery of nano materials and the like in existing wastewater (especially biogas slurry) purification are solved.

Germplasm cryopreservation method suitable for bait microalgae

Absstract of: CN121975623A

The invention relates to a germplasm cryopreservation method suitable for bait microalgae, and belongs to the field of algae preservation, and the method comprises the following steps: carrying out low-temperature domestication on microalgae in a logarithmic phase, and centrifugally collecting algae mud; mixing the algae mud with a protective solution for pretreatment; after pretreatment, mixing with a cryoprotectant with specific composition, carrying out gradient cooling, and storing at-80 DEG C; during thawing, the cryopreservation tube is quickly thawed in a water bath, and the cryoprotectant is subjected to gradient elution through a sucrose solution. The method successfully realizes long-term stable preservation of various bait microalgae at-80 DEG C by optimizing a cryoprotectant combination and optimizing key parameters such as a protective solution, balance time and thawing temperature, has high survival rate and stable physiological traits after resuscitation, and is low in cost, convenient to operate and suitable for industrial production. And a new technical scheme is provided for protection and utilization of microalgae germplasm resources.

Nitrogen-fixing cyanobacteria suspension liquid for returning rice field straw to field and preparation method and application of nitrogen-fixing cyanobacteria suspension liquid

Absstract of: CN121950564A

The invention relates to the technical field of straw returning, and discloses a nitrogen-fixing cyanobacteria suspension for rice field straw returning and a preparation method and application thereof.The preparation method comprises the steps that nitrogen-fixing anabaena strains are subjected to activation-domestication culture and then subjected to gradient illumination amplification culture, and anabaena liquid is obtained; centrifuging the anabaena liquid, collecting precipitates, adding a stabilizer solution to adjust the concentration of algae cells, and then performing ultrasonic dispersion and stirring treatment to obtain the nitrogen-fixing cyanobacteria suspension. The application comprises the following steps: crushing the rice straws, and applying the complex microbial inoculant to perform ploughing operation; after rice seedlings are transplanted, the nitrogen-fixing cyanobacteria suspension for straw returning to the field is applied. By utilizing the efficient biological nitrogen fixation capacity of the nitrogen-fixing anabaena, after the suspension is prepared and applied to the field, a nitrogen source can be continuously provided for straw decomposition bacteria through the nitrogen fixation effect, the microbial decomposition requirement is met, nitrogen contention between the decomposition bacteria and rice plants is avoided, and sufficient nitrogen supply from the seedling establishment stage to the jointing stage of the rice is ensured.

Microalgae species culture bottle

Absstract of: CN224186163U

The utility model discloses a microalgae species culture bottle, and relates to the technical field of algae species culture. The bottle comprises a bottle body and two dustproof assemblies, the upper end of the bottle body is in threaded fit with a bottle cap, a ball barrel is embedded in the side portion of the bottle body, and connecting pieces are arranged on the side portion of the ball barrel and the side portion of the bottle body. The dustproof assembly comprises a protection box, the end, away from the bottle body, of the connecting piece is clamped in the protection box, the lower portion of the protection box is in sliding fit with a clamping piece corresponding to the connecting piece, the upper portion of the clamping piece is clamped to the upper portion of the connecting piece, a first movable plate is placed on the upper side of the clamping piece, a fixing column is arranged on the upper side of the first movable plate, and a first spring is placed on the upper side of the first movable plate. The L-shaped groove channel is matched with the limiting block, so that the probability that the second movable plate is directly pushed out of the first groove opening by the push-out piece due to misoperation is reduced, and meanwhile, the L-shaped rotating plate is rotated to drive the second movable plate to move downwards so as to relieve safe locking.

Efficient microalgae culture device and use method thereof

Absstract of: CN121950460A

The invention relates to the technical field of microalgae culture devices, in particular to an efficient microalgae culture device and a using method thereof.The efficient microalgae culture device comprises a first-stage raceway pond, a second-stage raceway pond and a third-stage raceway pond which are sequentially stacked from bottom to top, and a partition plate is arranged at the bottom of a pond body of each stage of raceway pond; the horizontal areas of the three layers of raceway ponds are sequentially reduced from bottom to top, and a first-stage stirring system, a second-stage stirring system and a third-stage stirring device are arranged at one time corresponding to each stage of raceway pond; wherein each of the first-stage stirring system and the second-stage stirring system comprises a stirring device and a drainage device, the drainage device comprises a backflow channel and a drainage pipeline, and a lighting system is arranged at the bottom of each stage of raceway pond; the raceway ponds are arranged on the basis of a multi-layer stacking mode, and the effective culture liquid volume in unit occupied area is effectively increased; meanwhile, through the drainage mechanism, culture solution flow inoculation in the multi-stage raceway pond is achieved, the gas-liquid mass transfer efficiency is improved, the inoculation amount and the initial algae cell concentration are greatly improved, the culture period is shortened, and the culture efficiency is improved.

Method for cooperatively treating flue gas of steel hot-blast stove by using double algae species and application of method

Absstract of: CN121944769A

The invention relates to a method for cooperatively treating flue gas of a steel hot-blast stove by using double algae species and application of the method. The method comprises the following steps: inoculating microalgae into a reactor, filling the flue gas of the steel hot-blast stove for carbon sequestration culture, and then collecting the microalgae; the microalgae comprise chlorella and scenedesmus obliquus. According to the method, the CO2 in the flue gas of the steel hot-blast stove is fixed by utilizing the artificially cultured algae species, so that the tolerance of the flue gas is improved, and the fixation rate of the CO2 is increased.

Composite system for promoting growth of blue-green algae and fixing carbon dioxide and method, system and application thereof

Absstract of: CN121950569A

The invention discloses a composite system for promoting growth of blue-green algae and fixing carbon dioxide and a method, a system and application thereof. The composite system comprises a 2D MOF photocatalytic material, blue-green algae bacteria and a light source. According to the method, a 2D MOF material with a specific photocatalytic structure and blue-green algae are mixed in a culture medium, and co-culture is carried out under visible light irradiation. Wherein the 2D MOF material is used as an exogenous photosensitizer, generates photo-induced electrons and active oxygen species after absorbing light energy, and provides exogenous reducing power and energy for blue-green algae, so that the carbon dioxide fixing capacity, photosynthesis efficiency and central carbon metabolism activity of the blue-green algae are remarkably enhanced. The system and the method provided by the invention can obviously promote the accumulation of blue-green algae biomass and improve the synthesis amount of beta-carotene and chlorophyll a in the blue-green algae. The method is easy and convenient to operate, mild in condition, free of complex genetic modification or additional chemical reducing agents and suitable for the fields of microalgae culture, high-value pigment production and photosynthetic organism manufacturing.

Gas-water two-phase carbon capture sewage recycling system and process

Absstract of: CN121948724A

The invention belongs to the field of sewage treatment, and discloses a gas-water two-phase carbon capture sewage recycling system and process. In the system, one path of a supernatant outlet of a first separation tank is connected with a microalgae biological tank; an algae-water mixed liquid outlet of the microalgae biological tank is connected with the second separation tank; one path of a sediment outlet of the first separation tank is connected with the anaerobic tank; one path of a precipitation outlet of the second separation tank is connected with the microalgae biological tank; the other path of the precipitation outlet of the first separation tank and the other path of the precipitation outlet of the second separation tank are connected with a pyrohydrolysis anaerobic digestion fermentation device; a CO2-containing biogas outlet of the pyrohydrolysis anaerobic digestion fermentation device is connected with a biogas inlet of the combined heat and power generation device; and a CO2-containing tail gas discharge port of the combined heat and power generation device is connected with a CO2 feeding port of the microalgae biological tank. The invention develops an efficient, green and low-carbon sewage regeneration and resource application technology.

Compositions from marine microalgae for improvement of hair health comprising promotion of stem cell-derived conditioned medium activity

Nº publicación: KR20260059201A 30/04/2026

Applicant:

한국해양과학기술원