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210
resultados
Última actualización
20/03/2026 [07:28:00]
Resultados 75 a 100 de 210
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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.
Nº publicación: CN121263511A 02/01/2026
Solicitante:
LAIR LIQUIDE SA POUR LETUDE ET LEXPLOITATION DES PROCEDES GEORGES CLAUDE
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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.
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