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204
resultados
Última actualización
18/03/2026 [07:45:00]
Resultados 50 a 75 de 204
Resumen de: CN223805088U
The utility model discloses a microalgae membrane separation and harvesting device, which belongs to the technical field of microbial culture and comprises a liquid storage barrel and a filter channel formed by splicing and combining a plurality of split structures and used for harvesting microalgae, the filtering channel comprises a plurality of split cylinders which are detachably connected, and a plurality of layers of filtering membranes of which the pore diameters are gradually reduced are sequentially arranged in each split cylinder from top to bottom. Microalgae cells are cultured through a columnar photobioreactor, the algae cells are separated through membrane filtration, algae liquid is discharged from the bottom of a cone at the lower end of a column, supernate is discharged in a filtration mode, the algae cells are attached to the membrane, the discharged supernate can continue to culture the algae cells, microalgae mud on the multilayer harvesting membrane is scraped off through filtration, and the microalgae cells are collected through the membrane. The microalgae mud is obtained; therefore, the harvesting cost of large-scale cultured microalgae is reduced, the harvesting time is shortened, and the harvesting efficiency is improved; the cyclic utilization of the culture solution greatly reduces the treatment capacity, and the microalgae culture and harvesting process is simple and convenient to operate.
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: WO2026014489A1
A method for managing the production of plant growth promoting substance according to the present disclosure includes determining the degree of progress in production of a plant growth promoting substance on the basis of the activity value of lipopolysaccharide contained in a cyanobacterial culture supernatant. The degree of progress is determined, for example, on the basis of time-series data of the activity value of lipopolysaccharide from the start of cyanobacterial culture. The degree of progress may also be determined in accordance with the rate of change of the activity value calculated from the time-series data.
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: 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: 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: CN121320129A
The invention discloses a microbial preparation for ecological restoration of saline-alkali soil through bacteria-algae synergism, and relates to the technical field of ecological restoration, the microbial preparation comprises an active microbial flora, a microalgae group, a composite protective agent and a carrier; according to the method, closed-loop substance circulation of nitrogen/phosphorus/carbon source supplied by bacteria and oxygen/photosynthetic product supplied by microalgae is adopted, the function limitation of a single strain or algae of a traditional microbial preparation is broken through, the colonization efficiency and the ecological restoration efficiency in the saline-alkali environment are remarkably improved, sodium alginate, chitosan and bentonite are adopted as microcapsules for embedding, and the ecological restoration effect is improved. Trehalose and skimmed milk powder are used for protecting nutritional ingredients, decomposed straw and attapulgite clay are used as carriers for slow release, so that a triple protection mechanism is formed, microcapsules resist high saline-alkaline osmotic pressure through physical embedding, and trehalose and skimmed milk powder are used as osmotic protective agents to stabilize a cell structure; the decomposed straw and the attapulgite clay slowly release bacteria and algae through a porous structure and provide a slow-release carbon source, so that the survival rate of the microbial preparation in a saline-al
Resumen de: CN121320100A
The invention discloses a method for preparing a platform compound by utilizing microalgae fermentation, which comprises the following steps: (1) selecting microalgae species, and culturing the microalgae for expanding the species and growing by using CO2 or CO2 mixed gas as a carbon source under illumination; (2) transferring the microalgae obtained in the step (1) into a culture medium, and continuously carrying out illumination culture on the microalgae by taking CO2 or CO2 mixed gas as a carbon source, so as to obtain microalgae with high carbohydrate content; (3) hydrolyzing the microalgae with high carbohydrate content obtained in the step (2) by using an acid hydrolysis method to obtain microalgae hydrolysate; and (4) putting the microalgae hydrolysate obtained in the step (3) into a fermentation container, and adding fermentation microorganisms to obtain the fermentation chemicals. According to the method disclosed by the invention, various chemicals can be prepared by taking the microalgae biomass as a substrate and combining a fermentation process, so that the production cost is reduced, the sustainable development is promoted, the production process is simplified, and the production efficiency is improved.
Resumen de: CN121320157A
The invention belongs to the technical field of sewage treatment, and particularly discloses an algal growth-promoting bacterium and application thereof in promoting growth of microalgae and cooperatively treating duck farm anaerobic wastewater with the microalgae, the algal growth-promoting bacterium is Citrobacter Portualensis PA1, is preserved in Guangdong Microbial Culture Collection Center on September 16, 2025, and has a preservation number of GDMCC NO: 66969, and the algal growth-promoting bacterium is preserved in the Guangdong Microbial Culture Collection Center on September 16, 2025, and is preserved in the Guangdong Microbial Culture Collection Center on September 16, 2025, and the preservation number is GDMCC NO: 66969. The algae growth-promoting bacterium is applied to promotion of microalgae growth and cooperative treatment of duck farm anaerobic wastewater with microalgae. Compared with the prior art, the combination of the algae growth-promoting bacterium and the microalgae has a better purification effect on anaerobic sewage in a duck farm than single microalgae treatment, and the bacterial strain has a good promotion effect on the growth of the microalgae and can play a better effect in practical application.
Resumen de: CN121312810A
The invention belongs to the field of functional food and microalgae bioengineering, and discloses a microalgae xanthophyll enhanced health food and a preparation method thereof.A mild cosolvent synergistic extraction system, a xanthophyll stabilized nano-embedding system and a multi-component synergistic enhancement system are constructed, and the functional food and the microalgae xanthophyll enhanced health food is prepared. The high stability and the high utilization rate of the xanthophyll in the extraction, storage and absorption processes are realized. According to the method, microalgae xanthophyll is extracted by utilizing a green solvent system, and a nano embedding structure is formed by adopting a natural polysaccharide material, so that the thermal stability and the oxidation resistance of the xanthophyll are remarkably improved; meanwhile, a natural antioxidant is introduced to be compounded with prebiotics, so that the in-vivo absorption and function synergistic effect of the xanthophyll are enhanced. The whole process is mild and environment-friendly, the components are safe and edible, the problem of organic solvent residues is avoided, and the preservation property and nutritional activity of the xanthophyll are improved.
Resumen de: CN223793131U
The utility model discloses an operation isolation reactor for promoting microalgae cell growth, which comprises a shell, a top cover is arranged at the upper end of the shell, a dustproof plate is fixedly connected in the top cover, a motor is arranged at the inner bottom of the top cover, an output shaft of the motor is fixedly connected with a rotating frame, and the rotating frame is fixedly connected with the shell. Water in the water tank is pumped out through the heat conducting plate and the water pump, water flow enters the water through groove through the water inlet pipe, the water flow makes contact with the heat conducting plate to dissipate heat on the heat conducting plate, and the water flow enters the water outlet pipe through the water through groove and flows back into the water tank. Water flow passes through the heat dissipation fins, the fan cools the heat dissipation fins, then the backflow water flow is cooled through the heat dissipation fins, the interior of the water tank is divided into two areas through the partition plate, the backflow water is blocked at one ends of the heat dissipation fins, and the water flow can make full contact with the heat dissipation fins conveniently.
Resumen de: CN121318016A
The invention discloses a lead ion removal method based on a microalgae-MOF composite system and a method for preparing biodiesel, and the method comprises the following steps: adding an amino-modified MIL-101 (Fe) type metal organic framework material NH-MIL-101 (Fe), namely MOF, into a Pb-containing water body to be treated, so that the MOF is uniformly dispersed; the method comprises the following steps: inoculating Chlorella vulgaris in the presence of MOF, and enabling MOF particles to be spontaneously attached to the surfaces of algae cells through electrostatic attraction and hydrogen-bond interaction to form a microalgae-MOF composite system; co-culturing the composite system under the conditions of illumination, temperature control, pH control and oscillation, and carrying out adsorption and heavy metal removal treatment on a Pb-containing water body by utilizing a synergistic adsorption-bioremediation mechanism of the MOF and the microalgae. According to the method, the bottlenecks that single microalgae is prone to poisoning and single MOF is prone to saturation are solved, heavy metal removal and microalgae biomass appreciation are synchronously achieved, and secondary pollution is avoided.
Resumen de: CN121292671A
The invention discloses a method for degrading 6PPD-Q through combination of chlorella and a molybdenum carbide nanomaterial, which comprises the following steps: inoculating a chlorella strain into an algae culture medium, culturing under a constant temperature condition to obtain a chlorella suspension, mixing the chlorella suspension with a Mo2C MXene suspension to obtain a mixed solution containing chlorella and Mo2C MXene at the same time, adding a molybdenum carbide nanomaterial into the mixed solution, and uniformly stirring to obtain the 6PPD-Q degradation product. Adding the mixed solution into a polluted water body containing the 6PPD-Q to form a reaction system, and reacting under the condition suitable for the growth of chlorella to degrade the 6PPD-Q in the polluted water body. The chlorella and the molybdenum carbide nano material are combined to construct a synergistic degradation system, the biological metabolism and adsorption capacity of microalgae and the catalytic activity of Mo2C MXene are fully played, the degradation efficiency of 6PPD-Q is improved, and meanwhile, the toxic risk and the cost burden existing in a traditional treatment method are avoided.
Resumen de: CN121292643A
The invention provides a microalgae P450 enzyme mediated non-nitrite dependent anaerobic ammonia oxidation denitrification method and a microalgae P450 enzyme mediated non-nitrite dependent anaerobic ammonia oxidation denitrification device. The method comprises the following steps: adding a photocatalyst into a mixed flora taking anaerobic ammonia oxidation as a core, exciting photo-induced electrons to induce in-situ enrichment of microalgae, and constructing a photocatalytic coupled bacteria-algae hybrid system. A'starvation-trace addition 'circulating feeding strategy is adopted, interspecific feeding of heterotrophic bacteria with algae source glycogen as a unique carbon source is achieved, salicylic acid is synthesized to promote loading of microalgae P450 enzyme cofactors (ferriporphyrin and Fe-S clusters), generation of NADPH and enrichment of NADPH in a P450 positioning area are improved in combination with'segmented light distribution', and efficient activation of P450 enzyme is completed. The method comprises the following steps: catalyzing ammonia nitrogen to generate hydroxylamine through P450 enzyme under the condition that ammonia nitrogen is used as a unique water inlet condition, so as to form a microalgae P450 enzyme mediated non-nitrite dependent anaerobic ammonia oxidation denitrification mode. The method breaks through the traditional bottleneck of scarce nitrite depending on sewage, and has the advantages of high denitrification efficiency, greenhouse ga
Resumen de: CN121286378A
The invention discloses a breeding method for increasing the metamorphosis rate of chlamys farreri, and belongs to the technical field of chlamys farreri breeding. The number and the putting position of substratum in a breeding pond are reasonably controlled, compound fresh bait is applied, the proportion of microalgae in the bait and the concentration of the applied bait are controlled, and EM bacteria are applied, so that the metamorphosis rate of chlamys farreri is increased; by means of the method, the chlamys farreri larva metamorphosis rate is increased, manual operation and seawater consumption in the larva metamorphosis period are reduced, and the method has important significance in improving the seedling raising effect and improving economic benefits.
Resumen de: CN121289237A
The invention relates to the technical field of soil remediation, and discloses a photobioreactor-based microalgae culture and soil remediation integrated device which comprises a mounting frame, at least one reactor body is mounted on the outer side of the mounting frame, and a third conveying pipe is connected to the bottom of the reactor body through a pipeline; a plurality of fourth conveying pipes are communicated with the outer side of the third conveying pipe, drippers are connected to the ends, away from the third conveying pipe, of the fourth conveying pipes, and a second control valve is installed on the outer side of the third conveying pipe; a dispersion mechanism; a carbon feeding mechanism; a carbon spoiler mechanism; a distance adjusting mechanism; a sensor module; and a central control module. According to the invention, the microalgae culture efficiency is improved through the efficient dispersion mechanism; a sensor and a central control module are utilized to realize full-automatic control of culture and liquid discharge processes, so that the automation level is improved; and the integrated distance-adjustable drip irrigation mechanism can accurately apply fresh algae liquid to target soil, so that the pertinence and applicability of soil remediation are enhanced.
Resumen de: CN121294150A
The invention relates to a method for controlling chrysophyceae pollution in chlorella culture by using an extracellular polymer generated in a microalgae culture process in the field of bioengineering and environmental engineering, which comprises the following steps: firstly, culturing microalgae in a culture medium or wastewater, collecting the microalgae, extracting the extracellular polymer, adding the extracellular polymer into a chlorella culture environment, and culturing the chlorella in a culture medium or wastewater; the method is used for preventing and treating predatory chrysophyta in the microalgae culture process. The method provided by the invention has the advantages of safety, no pollution, simplicity in operation, low cost and the like, and can be suitable for culture processes of chlorella of different scales and different types.
Resumen de: CN121294128A
The invention relates to the technical field of shellfish breeding, in particular to a rapid microalgae breeding method for shellfish breeding based on a photobioreactor and a cement pool. The method comprises the following steps: firstly, optimizing a photobioreactor structure and an illumination layout, controlling a culture environment by matching with a multi-parameter regulation and control system, breeding microalgae seeds with high resistance and high carbon sequestration capacity, culturing to a preset density, and partially harvesting and inoculating into a cement pond, after partial harvest, the photobioreactor realizes continuous culture by supplementing disinfected seawater and nutritive salt; the harvested high-density microalgae are inoculated into a cement pond, nutritive salt is supplemented in a doubled mode, air and carbon dioxide mixed gas is used for continuous aerated culture, and the microalgae are promoted to rapidly reach the index growth period and used for being directly fed to shellfish larvae; according to the rapid microalgae breeding method for shellfish seedling culture, the yield and quality of microalgae are both considered, the success rate and productivity of aquatic seedling culture are effectively improved, the production cost and the labor intensity of workers are reduced, and the method is suitable for large-scale popularization.
Resumen de: CN121287566A
The invention relates to a composition with anti-aging, anti-wrinkle, elasticity enhancing and skin barrier repairing effects and application thereof. The composition with anti-aging, anti-wrinkle, elasticity enhancing and skin barrier repairing effects comprises golden microalgae and a simulated extracellular matrix protein (ECMP) combination, and the mass ratio of the golden microalgae to the simulated extracellular matrix protein (ECMP) combination is (0.1-10): (0.5-10); wherein the simulated extracellular matrix protein combination ECMP is formed by combining collagen, elastin and fibronectin, and the mass ratio of the collagen to the elastin to the fibronectin is 1: (1-5): (1-5). The anti-aging, anti-wrinkle, elasticity enhancing and skin barrier repairing effects are achieved by adding the simulated extracellular matrix protein combination ECMP and combining the golden microalgae. According to the invention, the improvement of anti-oxidation and anti-inflammation capacities is comprehensively considered, the endogenous matrix protein production capacity is also improved while exogenous matrix protein supplementation is carried out, and the anti-oxidation and anti-inflammation damage degradation capacity is improved.
Resumen de: CN121294148A
The invention discloses a novel application of a Mo2C MXene nano material in promoting growth of chlorella and a culture method of chlorella. Through research on the performance of the Mo2C MXene nano material, it is found for the first time that co-culture of the Mo2C MXene nano material and chlorella can significantly improve the growth rate, photosynthesis efficiency and biomass accumulation of chlorella, and the Mo2C MXene nano material can be applied to the field of culture of chlorella. The technical problem that the current chlorella is difficult to meet the large-scale production requirement can be solved, and a new technical scheme is provided for large-scale production and application of microalgae.
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.
Nº publicación: EP4674278A1 07/01/2026
Solicitante:
CJ CHEILJEDANG CORP [KR]
CJ CheilJedang Corporation
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.
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