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163
resultados
Última actualización
15/03/2026 [07:53:00]
Resultados 25 a 50 de 163
Resumen de: US20260013453A1
The present invention relates to a microalgae cultivation apparatus and method. A microalgae cultivation apparatus includes a cultivation vessel which has a cultivation space for accommodating a culture medium and cultivates microalgae therein, a gas supply unit configured to supply gas to the cultivation vessel, a gas discharge portion configured to discharge gas that has passed through the culture medium of the cultivation vessel, a sensor unit installed inside the cultivation vessel, an actuator unit installed inside the cultivation vessel, a microalgae collection device configured to collect the microalgae cultured in the cultivation vessel, and a control device configured to control at least one of the gas supply unit, the gas discharge portion, and the actuator unit to generate an environment for cultivating the microalgae, collect cultivation information through the sensor unit, and control the microalgae collection device to collect the microalgae based on the collected cultivation information.
Resumen de: US20260015605A1
The present disclosure relates to a high-purity PDRN extract derived from microalgae and a preparation method thereof. Specifically, the high-purity PDRN extract derived from microalgae according to the present disclosure is easy to produce and highly sustainable by using microalgae capable of being mass-cultivated at any time without external environmental or time constraints as a raw material, is safe due to no risk of human infection by exogenous viruses, and can also be excellent in skin absorption when applied to products such as cosmetics due to its low molecular weight.
Resumen de: US20260014092A1
Provided are vaccines and immunomodulatory compositions containing extracellular vesicles from microalgae (MEVs) that are loaded with bioactive cargo, that includes antigens and/or immunomodulatory proteins, nucleic acids, and nucleic acid encoding the proteins. The MEVs are formulated and administered by a variety of routes of administration that are advantageous for modulating the immune systems. Vaccines include those that are therapeutic for treating a disease, disorder, or condition, those that elicit an immunoprotective response, and/or otherwise modulate the immune system. The compositions include MEVs containing cargos for modulating intracellular receptors.
Resumen de: WO2026013164A1
The present invention relates in particular to the cosmetic or nutraceutical use of an extract of the Tetradesmus obliquus microalga or of an oily ingredient comprising same, for increasing the pigmentation of the skin and/or the hair and nails, advantageously the hair, and/or for maintaining the uniformity of the complexion and/or for preparing the skin for tanning and/or for promoting relaxation and well-being.
Resumen de: WO2026013292A1
The present invention relates to a strain of microalgae belonging to the genus Haematococcus with a high astaxanthin yield, and to a method for producing astaxanthin; in particular, the invention relates to a strain of the microalga Haematococcus pluvialis comprising at least 5% astaxanthin by weight relative to the total weight of Haematococcus pluvialis dry matter.
Resumen de: WO2026007284A1
Provided are a direct air carbon sequestration system and method using a compound algae liquid coupled with a moisture swing adsorbent, relating to the technical field of air capture. The system comprises a CO2 adsorption device (2), a microalgae carbon sequestration device (3), and a solution-microalgae separation device (4). Ultralow-concentration carbon dioxide (400 ppm) in the atmosphere is captured by means of moisture swing adsorbents (5), and the carbon dioxide can be adsorbed by means of a compound algae liquid; on the basis of different pH values of the algae liquid, the CO2 adsorption device (2) uses different adsorption-desorption operating modes, so that the recycling rate of the adsorbents is greater than 80%; the algae liquid can be recycled by means of photosynthesis, and two carbon sources of a carbon-rich algae liquid and a high-concentration carbon dioxide gas are continuously and stably supplied; and therefore, direct air carbon dioxide capture and sequestration are achieved with high efficiency and low costs.
Resumen de: WO2026008156A1
A method of synthesizing a biological product (1) is presented. The method comprises (S1) supplying process water (2) to a pipe arrangement (10) with a plurality of pipe sections (11ij), wherein the pipe sections (11) are cascaded in a descending order, (S2) providing microalgae (3) to the process water (2), (S3) retaining the microalgae-enhanced process water (2, 3) in and letting it run through the pipe sections (11) consecutively, wherein the process water (2, 3) first enters an elevated pipe section (1111) and then enters a lower pipe section (1112) driven by gravity, and (S4) exposing the process water (2) in the pipe sections (11ij) to an irradiation (4) such that the microalgae (3) are allowed to grow under the irradiation (4), wherein a part of the water (H2O) evaporates. Moreover, a related pipe arrangement is presented.
Resumen de: WO2026008764A1
The invention relates to a method of producing an ester of a fatty acid and a C1-C4 alcohol, comprising successive steps of: cultivating cells of a microalga strain on a growth medium, harvesting the cultivated cells and concentrating them to obtain a wet cell pellet, suspending said wet cell pellet in an hydroalcoholic solution comprising said C1-C4 alcohol, incubating the cell 5 suspension thus formed so as to form said ester of a fatty acid and a C1-C4 alcohol by transesterification and/or esterification of lipids produced by the microalga cells catalyzed by endogenous enzymes of said cells, and recovering said ester of a fatty acid and a C1-C4 alcohol from said cell suspension. The growth medium can advantageously be a dark fermentation effluent.
Resumen de: EP4674278A1
A feed composition comprising microalgae-derived biomass according to the present application uses microalgae having a high content of protein, fat, and minerals and free of factors that degrade feed quality, and thus can be effectively used as a fish feed composition.
Resumen de: EP4674972A1
The invention relates to a method of producing an ester of a fatty acid and a C<sub>1</sub>-C<sub>4</sub> alcohol, comprising successive steps of: cultivating cells of a microalga strain on a growth medium, harvesting the cultivated cells and concentrating them to obtain a wet cell pellet, suspending said wet cell pellet in an hydroalcoholic solution comprising said C<sub>1</sub>-C<sub>4</sub> alcohol, incubating the cell suspension thus formed so as to form said ester of a fatty acid and a C<sub>1</sub>-C<sub>4</sub> alcohol by transesterification and/or esterification of lipids produced by the microalga cells catalyzed by endogenous enzymes of said cells, and recovering said ester of a fatty acid and a C<sub>1</sub>-C<sub>4</sub> alcohol from said cell suspension. The growth medium can advantageously be a dark fermentation effluent.
Resumen de: CN121269974A
The invention relates to the technical field of wastewater treatment and resource utilization, and provides a culture wastewater deep purification and algae fertilizer co-production system based on algal-bacterial symbiosis, the system comprises an algal-bacterial symbiosis reaction zone, an intelligent regulation and control system and an algae fertilizer quality control system, the algal-bacterial symbiosis reaction zone comprises a biological membrane zone and a microalgae zone, the biological membrane area is used for treating the breeding wastewater and completing conversion from ammonia nitrogen to nitrite; the microalgae area is communicated with the biological membrane area, the wastewater treated by the biological membrane area enters the microalgae area, and the microalgae area is used for purifying the wastewater; the algae fertilizer quality control system is communicated with the water outlet end of the microalgae area, the algae fertilizer quality control system comprises an air flotation separation device and a drying machine, the air flotation separation device is used for purifying algae slurry, and the drying machine is connected with the air flotation separation device and is used for drying the separated algae fertilizer. The treatment effect on the breeding wastewater can be improved.
Resumen de: CN121269980A
The invention relates to the technical field of biological environmental protection, in particular to a method for reducing antibiotic-resistant bacteria and antibiotic-resistant genes in wastewater. The invention provides a method for reducing antibiotic resistance bacteria and antibiotic resistance genes in wastewater. The method comprises the following steps: mixing an extreme thermophilic and acidophilic microalgae culture with sewage, and culturing in a photobioreactor. According to the method, the extremely thermophilic and acidophilic microalgae are used for sewage treatment, so that not only can the abundance of ARB be reduced, but also the relative abundance of ARGs (qnrA, qnrS, tetW and intI1) in living bacteria can be reduced, and finally, the purpose of controlling ARG and ARB is achieved; meanwhile, the effect of the algae system for controlling the ARG and the ARB is better than that of a conventional secondary treatment system for controlling the ARG and the ARB, and the propagation of antibiotics to the environment can be reduced to the maximum extent.
Resumen de: KR20260001796A
본 발명은 매립지에 미세조류 배양지를 구축하고 여기서 배양한 조류 바이오매스를 이용하여 바이오 항공유를 생산하는 기술에 대한 것이며, 매립 종료된 매립지의 안정화 부지 상부에 구비되는 미세조류 배양지를 설치하는 1단계; 상기 미세조류 배양지에서 미세조류를 배양하는 2단계; 및 상기 1단계에서 배양된 미세조류를 이용하여 항공유를 생산하는 3단계;를 포함하여 이루어지며, 매립지를 활용하며 매립지에서 배출되는 가스를 이용하여 미세조류를 배양하고 이를 통해 지속가능한 연료를 생산할 수 있는 효과가 발휘된다.
Resumen de: CN121270004A
The invention belongs to the technical field of microalgae carbon sequestration, and particularly relates to a microalgae carbon sequestration system, which comprises a precipitation sewage tank, a floating algae liquid tank, a primary reaction column and a water purification tank, sewage in the precipitation sewage tank and floating algae liquid in the floating algae liquid tank are respectively put into the primary reaction column for mixing, standing is carried out, and precipitates are formed; purified water in the first-stage reaction column flows into a purified water tank after being discharged. According to the invention, the sewage is precipitated by using the precipitation sewage tank, part of precipitates in the sewage are removed, then floating algae are added into the first-stage reaction column for removing ammonia nitrogen in the sewage, finally the sewage enters the second-stage reaction column, nitrate nitrogen in the sewage is removed by using fixed algae and nitrifying bacteria in the second-stage reaction column, and the whole system is connected in series, so that the sewage treatment efficiency is improved. Ammonia nitrogen and phosphorus in the sewage can be effectively removed.
Resumen de: KR20260000247A
본원발명은 이산화탄소 포집용 미세조류 배양을 위한 광배양기에 관한 것으로 배양관의 교체 및 세척이 용이하여 가정용 또는 실내 인테리어용으로 사용하기에 적합한 장점이 있다.
Resumen de: CN121249525A
The invention relates to high-value cyanobacteria ZYS and application thereof. The algal strain is preserved in the China General Microbiological Culture Collection Center (CGMCC) on July 9, 2025, and the preservation number is CGMCC NO. 46458. The algal strain has excellent culture characteristics of high growth speed, high biomass, good salt tolerance, strong biological pollution resistance and easiness in settling and harvesting. An amplification culture experiment proves that the strain has remarkable large-scale culture potential, and a foundation is laid for industrial application. Besides, the algal strain is rich in phycocyanin and can be used for efficiently synthesizing a high-added-value compound GG (Glyceroglucoside), and the yield of the GG per unit volume can reach 98.35 mg/L/OD730 under the conventional culture condition. The algal strain disclosed by the invention integrates high yield, high stress resistance and high-value product synthesis capability, is remarkable in economic value, and provides a new excellent algal strain for microalgae resource development.
Resumen de: CN121249843A
The invention discloses a method for researching influence on hemolytic activity of marine microalgae based on a transcriptome technology, and relates to the field of hemolytic activity analys.The method comprises the steps that pretreatment is conducted on the marine microalgae based on culture requirements, and cystic morphological cell density and hemolytic activity of the marine microalgae are measured according to experimental design rules after pretreatment is completed; carrying out transcriptome sample collection operation by utilizing the marine microalgae subjected to pretreatment, constructing a library according to a transcriptome sample collection result, and obtaining a gene function annotation and a differential expression gene result; the growth conditions of the marine microalgae under different temperature conditions are analyzed according to cystic morphological cell density and hemolytic activity, and the regulatory gene influencing the hemolytic activity of the marine microalgae is obtained by combining gene function annotation and differential expression gene results. According to the method, the hemolytic activity of the marine microalgae cultured under different temperature conditions is extracted, so that the aim of researching related metabolic pathways possibly participating in toxin synthesis and hemolytic activity regulation is fulfilled.
Resumen de: CN121263511A
In general, the invention relates to a device for supplying a plant for growing microalgae, and in particular for growing spirulina, with water in which a given content of CO2 has been dissolved, characterized in that the device enables the dissolution (1, 8, 4...) of CO2 under light-tight conditions, the device is located outside and adjacent to the incubation facility.
Resumen de: CN223752732U
The utility model relates to the technical field of ecological environmental protection, in particular to a microalgae carbon sequestration device which comprises a box body, a top frame is installed on the top of the box body, a gas guide pipe is installed on the top frame, the bottom end of the gas guide pipe is rotatably connected with a rotating pipe inserted into the box body in a sliding mode, and the top of the box body is connected with a backflow pipe connected with the gas guide pipe. A return pipe is arranged in the box body, a one-way valve is arranged on the return pipe, the top end of the rotating pipe is in transmission connection with a driving assembly, a fixed ring is fixed on the inner side of the box body, and a gas distribution assembly arranged outside the rotating pipe in a sleeving manner is arranged in the fixed ring. And redundant gas enters the gas guide pipe again from the return pipe, so that the cyclic dissolution work of the carbon dioxide gas is completed, excrement deposited in the collecting hopper is cleaned, and the excrement is conveniently and intensively guided out of the box body from the blow-off pipe.
Resumen de: US20260002180A1
Methods for the fermentative production of O-phosphoserine, cysteate, or taurine in microbes or unicellular organisms that contain a serB mutation that either decreases serB expression, reduces the amount of the serB gene product or results in a serB gene product with low enzymatic activity. Genetic modifications of the O-phosphoserine, cysteate, or taurine and/or substrate biosynthetic pathways in unicellular organisms that include bacteria, algae, microalgae, diatoms, yeast, or fungi are disclosed. Also disclosed are fermentation and processing methods for the production of various O-phosphoserine-, cysteate-, or taurine-containing products and the use of the cells, fermentation broth or extracts that contain O-phosphoserine, cysteate, or taurine to produce products for use in food, feed, beverages, dietary and health supplements, cosmetics, personal care, pharmaceuticals, agricultural production, or surfactants.
Resumen de: US20260000094A1
A protein preparation may be obtained from dried lipid extracted marine algae. The novel hydrolysate has high solubility and digestibility, low ash content, and high protein content (measured as g amino acid/g of product), with an essential amino acid profile that makes an excellent protein supplement for human consumption. The process utilizes a hydrolyzation reaction at high solids content to minimize water footprint and ash content, while increasing its solubility and digestibility.
Resumen de: MA66491A1
The invention describes a method for developing a liquid food supplement rich in proteins and amino acids, polyphenols and phycocyanin from microalgae. The method includes, as a main step, the enzymatic decomposition of cell walls to release their contents into the extract, without degradation or change in its composition. The compounds released include free proteins and amino acids, phenolic compounds and phycocyanin contained in the phycobilisome. The liquid product obtained by said method preserves high antioxidant activity and the characteristics of a food supplement “Rich in proteins” and/or “Rich in free amino acids” and/or “Rich in phycocyanin” and/or “Rich in polyphenols » and/or “Rich in antioxidants”.
Resumen de: CN121220401A
The invention discloses a culture tail water treatment system and method based on shellfish appreciation and microorganism water purification, and belongs to the cross technical field of aquaculture and water environment governance, the system mainly comprises a microorganism treatment unit and a shellfish culture unit which are connected in sequence, the microorganism treatment unit is used for treating culture tail water through an immobilized biological membrane and segmented aeration, and the shellfish culture unit is used for treating culture tail water. The device can flexibly operate in a nitrogen control mode and a nitrogen removal mode; by means of the core regulation and control unit, the system operates in a nitrogen control mode in the shellfish growing period, the proper nitrogen and phosphorus concentration is maintained so as to nourish microalgae for shellfish to filter and eat, and rapid fattening of shellfish and removal of water particles are achieved; according to the method, tail water treatment is converted into a benefit growth point from a cost center, an endogenous circulation mode of purifying water with fish and culturing fish with water is formed, and unification of environmental benefits and economic benefits is achieved.
Resumen de: CN121227521A
The invention relates to the technical field of microalgae biology, in particular to a chlamydomonas reinhardtii strain with high yield of exosomes, which is named as Chlamydomonas reinhardtii YYAW026 and preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC NO.46629, the preservation date is November 10, 2025, and the preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. Compared with an original strain, the chlamydomonas reinhardtii cell provided by the invention cannot form a complete cell wall structure, so that the exosome can be quickly secreted into a culture solution; although the cell structure of the strain is incomplete, the strain can still perform normal cell activity, the growth curve is basically consistent with that of a wild type, the yield of the exosome of the strain is greater than that of the wild type when the strain reaches a plateau phase, and the particle size distribution width of the exosome is more concentrated. The chlamydomonas reinhardtii disclosed by the invention has a relatively good application prospect in the basic research fields of cosmetics, medical beauty industry and algae source exosomes.
Nº publicación: CN121227522A 30/12/2025
Solicitante:
JIMEI UNIV
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Resumen de: CN121227522A
The invention provides a yellow chlorella pyrenoidosa mutant strain APMT04 and an application of the yellow chlorella pyrenoidosa mutant strain. The chlorella pyrenoidosa mutant strain APMT04 is obtained through a chemical mutagenesis method, compared with an original strain, the chlorella pyrenoidosa mutant strain APMT04 has the advantages that the growth speed of chlorella cells under the heterotrophic condition is higher, and meanwhile, the chlorophyll content of the chlorella pyrenoidosa mutant strain APMT04 is reduced by 90% or above, but the chlorella pyrenoidosa mutant strain APMT04 contains high-content xanthophyll, so that the And the extract also contains high-content protein and grease, can be used as byproducts of xanthophyll extraction, and can be used in the fields of food, feed and the like. When the chlorella pyrenoidosa mutant strain APMT04 is used for producing xanthophyll, the later-stage extraction and preparation process of xanthophyll can be simplified, the sensory acceptance of algae powder is improved, protein and grease rich in the algae powder can serve as by-products of xanthophyll extraction, and high-quality germplasm resources are provided for industrial production and application of microalgae xanthophyll.
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