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146
resultados
Última actualización
03/11/2025 [07:20:00]
Resultados 25 a 50 de 146
Resumen de: CN120555143A
The invention discloses a closed double-layer stirring type photobioreactor, and relates to the technical field of microalgae culture. A double-layer special-shaped paddle combination is formed through the composite design of a four-straight-blade overall open turbine type (SK) and a three-blade left-handed push type spiral stirring paddle (TXL), paddle combination optimization is formed through the cooperative flow field design of the TXL paddle (lower layer) and the SK paddle (upper layer), axial-radial flow coupling is achieved, and the material exchange rate between gas and liquid is increased; according to the combined design of the double-layer special-shaped paddles, the proportion of a high-shear area is reduced to be lower than 12% through a wide-area low-strength shear mode of the TXL paddles, the shear stress is greatly reduced, and the problem that the shear stress is too high is solved; a dynamic rotating speed strategy is convenient to implement, and the mass transfer efficiency and the cell activity are both considered by adjusting the rotating speed in stages.
Resumen de: CN120554161A
The invention provides a charcoal-based microalgae fertilizer as well as a preparation method and application thereof, the method adopts a mode of co-fermentation of charcoal and microalgae to fix microalgae on charcoal, and co-fermentation is performed to prepare the charcoal-based microalgae fertilizer. The biochar-based microalgae fertilizer can significantly improve the crop yield, increase the chlorophyll content of crops, promote healthy growth of plants, optimize the pH value of soil, enhance the water and fertilizer retention capacity of soil, and significantly improve the soil nutrients and soil enzyme activity, and has significant advantages in the aspects of nutrition supply, soil health, environmental protection, crop quality improvement and the like. The biochar-based microalgae fertilizer has two forms of liquid and dry powder, can be flexibly used according to a specific agricultural production mode, has the advantages of easily available raw materials and simple preparation, is a sustainable fertilizer source, can comprehensively improve the soil fertility and the crop stress resistance, reduces the dependence on chemical fertilizers, and reduces the environmental pollution problem in agricultural production.
Resumen de: CN120551165A
The invention provides a waste frozen product harmless resource regeneration method based on microalgae synergistic fermentation, and belongs to the technical field of waste frozen product harmless treatment. The preparation process comprises the following steps: pretreatment of waste frozen products; carrying out synergistic fermentation on the pretreated frozen microalgae; and directionally preparing the product. According to the method, in the pretreatment stage, ozone water is adopted for sterilization, citric acid is used for adjusting the pH value to be acidic, synergistic fermentation of bacillus and lactic acid bacteria is combined, harmless treatment is achieved, multi-stage resource utilization is achieved based on microalgae synergistic fermentation, and the additional value is increased.
Resumen de: US2025270148A1
A method for processing animal products, in particular products from poultry farming, includes: a) chemically treating by placing collected waste in contact with an ammonia-based buffer with a pH of at least 8; b) heating the material resulting from step a) in a humid medium to a temperature of at least 70° C.; c) separating the organic matter and inorganic matter in the presence of water from the material resulting from step b), then separated collection of (i) the liquid fraction having the inorganic matter, and (ii) the solid fraction having the organic matter; and d) adding the liquid fraction resulting from step c (ii), having the inorganic matter, in a basin filled with water held in a controlled manner at a setpoint temperature ranging from 20° C. to 42° C., preferably from 28° C. to 35° C., in which a protein-rich plant or bacterium is cultivated, in particular microalgae or cyanobacteria, preferably spirulina.
Resumen de: US2025270486A1
An assembly, methods, and network for farming and culturing green microalgae (Haematococcus pluvialis) are disclosed, comprising: a mechanical support framework; a plurality of cultivation pouches, mechanically coupled to the mechanical support framework, having arrays of cultivation pouches where green microalgae (H. pluvialis) are cultured and harvested; a plurality of light emitting diodes (LEDs), mechanically coupled and supported by the mechanical support framework and arranged in between two of any adjacent arrays of cultivation pouches, operable to provide a predetermined light intensities to each of the cultivation pouches; and an air and gas supply and distribution unit, mechanically coupled and supported by the mechanical support framework, operable to supply predetermined amounts of air and carbon dioxide (CO2) to each of the green microalgae pouches.
Resumen de: WO2025176843A1
Provided are gene therapy vectors designated MEV-GTVs, which are MEVs that contain an ITR-containing plasmid (also referred to as a minigene plasmid) that comprises Inverted Terminal Repeats (ITRs), such as viral ITRs, and nucleic acid encoding a product of interest, and optionally regulatory sequences. The ITRs serve to circularize the minigene plasmid. The plasmids do not contain additional viral components, so that resulting DNA is not encapsulated in a viral capsid or envelop and is not replicated by viral genes. The plasmids can be inserted into bacterial plasmids for propagation.
Resumen de: WO2025176847A1
Provided are compositions containing microalgae extracellular vesicles (MEVs) formulated for administration to the eye for treatment of diseases, disorders, and conditions of the eye, particularly for diseases, disorders, and conditions that involve tissues and cells in the back of the eye, which generally cannot be treated with eyedrops. Upon administration to the eye, the MEVs deliver therapeutics to tissues that include the choroid, retinal pigment epithelium cells, and photoreceptor cells. The compositions contain extracellular vesicles from microalgae (MEVs) that are loaded with bioactive cargo for treating or diagnosing or monitoring a disease, disorder, or condition of the eye or involving the eye. Methods of treatment of diseases, disorders, and conditions of the eye are provided.
Resumen de: KR20250127240A
메디컬 조성물은 미세 조류를 광활성 배양하는 것, 광활성 배양된 미세 조류를 초음파 분쇄하여 세포 용해물을 생성하는 것, 및 세포 용해물로부터 엑소좀을 추출하는 것을 포함하는 엑소좀 추출 방법에 의해 획득된 엑소좀을 포함한다.
Resumen de: CN120536209A
The invention discloses a system and a process for coupling carbon capture in air and microalgae electric energy. The system comprises an air carbon capture unit, a microalgae culture unit, a harvesting dehydration unit, and an electric energy management unit and a resource circulation unit which are connected with the units, wherein the air carbon capture unit comprises a three-stage dust removal subsystem, a modular temperature swing adsorption tower group and an intelligent transportation subsystem; the microalgae culture unit comprises a multi-layer composite vertical raceway pond, a spectrum-adjustable LED illumination system and a multi-parameter cooperative control system; the harvesting and dewatering unit comprises an inclined plate precipitation-air flotation combined pre-concentration device, a centrifugation-electric field coupling separation system and a double-cone rotary low-temperature vacuum dryer. Through the synergistic effect of the MOFs adsorbent, the multi-layer vertical raceway pond and multi-energy complementary intelligent scheduling, the core targets of low energy consumption, low cost and high carbon sequestration efficiency are achieved, and a reproducible and extensible circular economy mode is further constructed.
Resumen de: CN120530912A
The invention discloses an oyster biological reaction system construction method, a colored oyster feeding method and an oyster product. The oyster biological reaction system construction method comprises the following steps: screening out an optimal filter feeding environment condition of oysters; screening the microalgae filtering efficiency of the oysters under the optimal filtering environment condition, and determining the optimal filtering concentration of the oysters to the microalgae; the oysters are placed under the optimal filter feeding environment condition, and different types of microalgae are selected to be densely fed for a short time at the optimal filter feeding concentration; the method comprises the following steps: carrying out stage division on interception, absorption and conversion conditions of microalgae in oysters from a time scale by taking content change of symbolic components in the oysters and nutritional components as indexes, and constructing oyster biological reaction systems in different stages. By means of the method, the oysters can be fed within a short time, rapid nutrition conversion is achieved, the pigment level of edible parts of the oysters is improved, the quality of the oysters is improved, and meanwhile the accurate nutrition enrichment type colored oysters can be created.
Resumen de: KR20250127241A
미세조류에서 타겟 유효성분을 포함하는 엑소좀 추출 방법은 미세 조류를 광활성 배양하는 것, 광활성 배양된 미세 조류를 초음파 분쇄하여 세포 용해물을 생성하는 것, 및 세포 용해물로부터 엑소좀을 추출하는 것을 포함한다.
Resumen de: WO2025174210A1
The present invention relates to: a feed composition for zooplankton, comprising biomass derived from Schizochytrium sp. microalgae; a method for culturing zooplankton using same; and an aquaculture method for fish or crustaceans. The biomass derived from Schizochytrium sp. microalgae of the present invention has the effect of nutritionally enriching zooplankton, and when zooplankton fed with the biomass is fed to fish or crustaceans, growth of fish or crustaceans is promoted and non-specific immunity is enhanced, and thus the biomass can be effectively used as a feed composition or a feed additive.
Resumen de: CN120518226A
The invention provides a purification treatment method for tail water of aquatic products, and belongs to the technical field of sewage treatment. Adding the symbiotic aggregates or the modified symbiotic aggregates into the tail water of the aquatic product, stirring, detecting the indexes of COD and NH4 < + >-N in the treated water, and discharging after the indexes reach the standard; the symbiotic granules are prepared from chlorella, pseudomonas and cladosporium herbaceous through mixed symbiosis; the modified symbiotic aggregate is prepared by mixing chlorella, pseudomonas, cladosporium herbacea and immobilized enzyme hollow CNT-CuS/TiO2 microspheres for symbiosis and embedding the mixture in sodium alginate. The preparation method comprises the following steps: mixing chlorella, pseudomonas, cladosporium herbacea and immobilized enzyme hollow CNT-CuS/TiO2 microspheres for symbiosis. According to the invention, sewage treatment is carried out through a facultative bacteria + fungus + microalgae symbiotic aggregate structure, and the advantages of good purification treatment effect, fast treatment speed, good purification effect, low cost, no need of additional addition of a carbon source, reduction of the oxygen introduction amount of a sewage treatment system, simplification of the sewage treatment system, reduction of energy consumption, reduction of cost and the like are achieved.
Resumen de: CN120514865A
The invention relates to a selenized microalgae preparation and application thereof in preparation of immune preparations for treating tumors. The microalgae are induced and cultured in a selenium-rich solution for several days, and then are collected and injected to the tumor site to inhibit the growth of the tumor site. The preparation process of the selenized microalgae is simple, and the selenized microalgae can stimulate an organism to generate strong immune response, activate dendritic cells and T cells and regulate an immunosuppressive microenvironment at a tumor through various pathways such as NF-kappa B, so that an efficient and long-term tumor suppression effect is realized; meanwhile, the microalgae can enhance immune checkpoint blocking treatment, and a certain foundation is laid for combined application of microorganism-mediated immunotherapy and immune checkpoint blocking.
Resumen de: CN120519229A
The invention discloses a microalgae crust detergent for radioactive surface contamination, which comprises the following components in percentage by mass: 2.5 to 3 percent of polyvinyl alcohol, 1 to 2 percent of sodium carboxymethyl cellulose, 1 to 1.5 percent of plasticizer, 0.2 to 1 percent of microalgae frond, 0.5 to 1 percent of dispersing agent and 90 to 95.5 percent of water. All the components are mixed and stirred to obtain the microalgae crust detergent for radioactive surface pollution. The prepared microalgae crust detergent not only can effectively remove radioactive substances from various surfaces, but also is good in film-forming property, easy to strip, free of damage to treated objects and suitable for various radioactive contamination scenes; in addition, the microalgae crust detergent disclosed by the invention also has good biodegradability and meets the environmental protection requirement.
Resumen de: CN120519359A
The invention relates to recombinant Escherichia coli for producing astaxanthin, which is obtained by taking an Escherichia coli BW-ASTA strain as a chassis strain and transferring a cyanobacteria deacylase gene CddA into the chassis strain, the nucleotide sequence of the cyanobacteria deacylase gene CddA is as shown in SEQ ID NO. 1. After the CddA is over-expressed in the engineered escherichia coli, the synthesis efficiency of the astaxanthin in the escherichia coli is improved, a feasible path is provided for green production and industrial production of the astaxanthin, and the method has a commercial transformation prospect. The invention also relates to a synthesis method of astaxanthin, which comprises the following steps: culturing the recombinant escherichia coli to obtain astaxanthin, dynamically monitoring growth parameters (cell density and metabolic state) of the escherichia coli, and accurately controlling IPTG induction opportunity to coordinate thallus growth and resource allocation of astaxanthin anabolic flow, thereby realizing the balance of high yield and low cost.
Resumen de: CN120519260A
The invention discloses a system for coupling DAC chemical absorption and microalgae photosynthetic fixation and an optimization process. The device comprises a microalgae culture unit, a harvesting and dehydrating unit and a control module, the microalgae culture unit is a photobioreactor, an LED light source capable of adjusting light intensity, an aeration distribution pipeline and a propeller stirring system are arranged in the photobioreactor, the photobioreactor is filled with a 0.5 mM sodium carbonate solution which is used for absorbing CO2 in the atmosphere, and the concentration of the CO2 in the microalgae culture unit is 0.5 mM; the harvesting and dehydrating unit sequentially comprises a centrifugal separation device, a plate-and-frame filter pressing device and a heat pump drying device or a solar auxiliary drying device, and is used for concentrating and drying algae liquid. Through innovative coupling of DAC and microalgae photosynthetic immobilization and combination of culture medium, illumination and gas mass transfer system optimization, a complete technical route integrating CO2 capture, carbon sequestration, biomass output and environment evaluation is formed, and remarkable environmental and economic values are achieved.
Resumen de: CN120519640A
The invention discloses a precise temperature gradient regulation and control method and device, and belongs to the field of microalgae cultivation. A precise temperature gradient regulation and control device comprises a transparent cultivation tank, a stirring shaft is rotationally connected into the cultivation tank, a plurality of sets of stirring paddles are installed on the stirring shaft at equal intervals, at least one temperature sensor is arranged on the stirring paddles on the same plane, and a driving part for driving the stirring shaft to rotate is arranged on the cultivation tank; the stirring shaft rotates at a low speed to stir microalgae in the culture tank to move, so that the microalgae are kept in a suspended state and receive uniform illumination, and the culture effect of the microalgae is improved; meanwhile, through cooperation of a reciprocating lead screw, a magnetic suction plate and a piston plate, air can be continuously inflated into cultivation liquid in the cultivation tank, and through cooperation of stirring and the upward floating effect of airflow, the microalgae can make uniform contact with carbon dioxide in the air, the uniform respiration effect is achieved, and the cultivation effect of the microalgae is further improved.
Resumen de: CN223255205U
The utility model discloses a carbon absorption device capable of being used for microalgae carbon sequestration, and belongs to the technical field of microalgae carbon sequestration. The utility model discloses a carbon absorption device for microalgae carbon sequestration. The carbon absorption device comprises a first reactor and a second reactor, wherein the lower ends of the first reactor and the second reactor are respectively provided with a gas inlet pipeline and a liquid discharge pipe, and the upper ends of the first reactor and the second reactor are respectively provided with a gas outlet; the spraying device is arranged at the upper end of the second reactor; the first liquid inlet is formed in the upper end of the first reactor; the aeration disc is arranged in the first reactor; according to the utility model, the reactors are connected in series, the first reactor adopts a bubbling mode for reaction, the whole process is simple and quick, the cost is lower, the second reactor adopts a spraying mode for secondary reaction, the utilization rate of carbon dioxide is higher, and the final reaction effect is greatly improved through the double-reactor double-mode reasonable series design; and resource waste and production cost are reduced.
Resumen de: CN120514065A
The present invention discloses a slow sinking fish feed and a preparation method thereof, and relates to the technical field of fish feeds, the slow sinking fish feed comprises basic raw materials: 200 kg of mulberry leaves, 138 kg of soybean meal 43%, 150 kg of peanut bran, 60 kg of fermented soybean meal, 60 kg of rapeseed meal, 100 kg of rice enzymolysis protein, and 150 kg of corn; additives: 20 kg of monocalcium phosphate, 40 kg of refined deep sea fish oil, 50 kg of microalgae meal, 2 kg of multi-vitamin for fish, 5 kg of organic multi-mineral for fish, 1 kg of VC powder, 2 kg of choline, 5 kg of table salt and 2 kg of liver and gallbladder protecting elements; the functional core comprises a composite functional system comprising 3kg of repair group microspheres and 2kg of support group particles, and 10kg of mulberry extract, the contradiction between the response speed and the mechanical strength of a temperature-sensitive material can be overcome, the problem of low self-repair efficiency in a water environment is solved, and the problems of feed pulverization caused by temperature difference, high loss of an antioxidant in water and high cost are solved.
Resumen de: WO2025174210A1
The present invention relates to: a feed composition for zooplankton, comprising biomass derived from Schizochytrium sp. microalgae; a method for culturing zooplankton using same; and an aquaculture method for fish or crustaceans. The biomass derived from Schizochytrium sp. microalgae of the present invention has the effect of nutritionally enriching zooplankton, and when zooplankton fed with the biomass is fed to fish or crustaceans, growth of fish or crustaceans is promoted and non-specific immunity is enhanced, and thus the biomass can be effectively used as a feed composition or a feed additive.
Resumen de: US2025266181A1
The present disclosure relates to an apparatus and method for treating high volumetric wastewater, containing tritium, and more particularly to an apparatus for treating wastewater, containing tritium, includes a container storing wastewater, containing tritium, an LED cable including an LED light source, a gas supply cable, and a transparent cover seating the container, wherein the gas supply cable is provided to supply air and carbon dioxide in a form of fine bubbles, and a method for treating wastewater, containing tritium, includes an operation of pouring wastewater, containing tritium, into a container of the apparatus for treating wastewater, containing tritium; an operation of injecting microalgae into the container; and an operation of inducing photosynthesis by using light of an LED cable under fine bubbles supplied by a gas supply cable.
Resumen de: CN223239906U
The utility model discloses a rural sewage microalgae treatment device, which belongs to the technical field of sewage treatment, and comprises an algae box and a peristaltic pump, the top of the algae box is provided with a first illumination component, one side of the algae box is provided with a plurality of circulation ports, the other side of the algae box is provided with a discharge port, the circulation ports are fixedly connected with a circulation component, and the discharge port is provided with a discharge port. A bracket is arranged at the bottom of the circulating assembly, a second illumination assembly is arranged at the top of the bracket, and a mixing assembly is arranged in the circulating assembly. The first illumination assembly and the second illumination assembly are arranged, sewage in the algae tank is irradiated by the LED lamp post, the mixing assembly is continuously irradiated by the LED lamp strip, sufficient illumination on algae is achieved, under the combined action of the circulating assembly, the mixing assembly and the peristaltic pump, the mixing time of the sewage can be prolonged through the mixing pipeline, and the mixing efficiency is improved. Under the guiding action of the spiral blade, the water flow rotates, and the algae and the sewage are mixed by the rotating water flow, so that the effects of fully mixing the sewage and improving the mixing efficiency are realized.
Resumen de: KR20250123496A
본 발명은 미세조류 유래 유용물질을 포함하는 항염증 조성물에 관한 것으로, 구체적으로 미세조류 추출물을 포함하는 항염증 조성물, 상기 조성물을 포함하는 건강기능식품에 관한 것이다.
Nº publicación: KR20250123503A 18/08/2025
Solicitante:
선문대학교산학협력단
Resumen de: KR20250123503A
본 발명은 골질환의 개선, 예방 또는 치료용 조성물에 관한 것으로, 보다 상세하게는 미세조류 추출물을 유효성분으로 함유함으로써, 골질환을 개선, 예방 또는 치료할 수 있으므로, 식품 조성물, 나아가 건강기능식품 또는 약학 조성물로 활용될 수 있다.
BOPI
Sede Electrónica
