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120
resultados
Última actualización
21/11/2025 [07:19:00]
Resultados 50 a 75 de 120
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: 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: 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: 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: 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: 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: 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: 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: 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: 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.
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.
Resumen de: TW202532636A
This invention provides a method for the generation and extraction of metabolites from microalgae. By subjecting microalgal cultures to stress treatments, the microalgae are stimulated to increase the secretion of metabolites. Additionally, this invention utilizes hydrolytic enzymes or fungal cultures to break down the cell walls of the microalgae, thereby releasing the microalgal metabolites more effectively. Finally, methods such as filtration, centrifugation, and ultrafiltration are employed to separate and purify the released metabolites from the microalgae. This technique enhances the yield of microalgal metabolites and is of significant value for applications in biotechnology, food, and pharmaceutical industries involving microalgae.
Resumen de: CN120484963A
The invention relates to a culture medium for co-culture of microalgae and microorganisms and a preparation method of the culture medium, and belongs to the technical field of microalgae culture media, the culture medium specifically comprises the following raw materials in parts by mass: 25-35 parts of a composite carbon source, 3-4 parts of a composite nitrogen source, 0.5-0.7 part of a phosphorus source, 0.003-0.005 part of trace elements, 5-10 parts of a stable additive and 1000 parts of sterile deionized water, the composite carbon source is obtained by mixing an enzymolysis-heat treatment product from agricultural wastes with glucose and carbonate; the stabilizing additive is obtained by mixing a phosphate buffer solution, zeolite powder and Tween. The corn straw is converted into oligosaccharide, biochar and other products through an enzymolysis-heat treatment process. The oligosaccharide can be endocytosed and absorbed by the microalgae, the porous structure of the biochar adsorbs CO2 and slowly releases the CO2, gradient supply of a carbon source is maintained, instantaneous consumption of microorganisms is reduced, and triple regulation and control of pH buffering, ion exchange and interface stability are realized through the stabilizing aid.
Resumen de: CN120478195A
The invention discloses a microalgae photosynthetic treatment hydrogel mask and a preparation method thereof, a suspension bath 3D printing technology and a face scanning technology are utilized, and microalgae bio-ink is used for customized production of a 3D attached mask, so that oxygen is generated and effective components are released by utilizing photosynthesis in the use process, and the mask is used for photosynthetic treatment. In the process of secondary cross-linking, micromolecular collagen and Se element are introduced to promote cell proliferation and migration, and triple anti-aging effects of supporting, repairing and protecting are achieved. The invention has the advantages of sustainability, environmental friendliness, simple formula, scientific design, direct utilization of microalgae, use of renewable and degradable materials as raw materials, no pollution emission in the preparation and use process, and recoverable raw materials, and compared with the traditional mask preparation mode, the invention has the advantages of low carbon and environmental protection.
Resumen de: CN120485237A
The invention discloses an acid-resistant microalgae construction method based on bicarbonate ion transporter protein, and belongs to the field of biology and molecular biology. The method specifically comprises the following steps: taking Phatr3J33543 with a sequence structure as shown in SEQ ID No.1, Phatr3J50516 with a sequence structure as shown in SEQ ID No.2 or Phatr3Jdraft1806 with a sequence structure as shown in SEQ ID No.3 as a target gene, removing a termination codon of the target gene, and connecting a fluorescent protein gene with an initiation codon removed through a DNA (Deoxyribose Nucleic Acid) sequence for coding glycine to obtain a recombinant gene; inserting the recombinant gene into multiple cloning sites of a pPhaNR plasmid to obtain a vector plasmid; introducing the carrier plasmids into diatom cells through electroporation, and inoculating the diatom cells to an ESAW solid selective culture medium containing bleomycin to grow brown algal colonies; selecting the algal colonies with fluorescent protein signals from the algal colonies, namely the acid-resistant engineering algae. Compared with wild algae, the acid resistance of the engineering algae obtained by the invention is obviously improved. The method has important reference significance on acid-resistant diatom cultivation.
Resumen de: CN120485238A
The invention discloses an acid-resistant microalgae construction method based on ferredoxin, and belongs to the field of biology and molecular biology. The method specifically comprises the following steps: taking Phatr3J33543 with a sequence structure as shown in SEQ ID No.1, Phatr3J50516 with a sequence structure as shown in SEQ ID No.2 or Phatr3Jdraft1806 with a sequence structure as shown in SEQ ID No.3 as a target gene, removing a termination codon of the target gene, and connecting a fluorescent protein gene with an initiation codon removed through a DNA (Deoxyribose Nucleic Acid) sequence for coding glycine to obtain a recombinant gene; inserting the recombinant gene into multiple cloning sites of a pPhaNR plasmid to obtain a vector plasmid; introducing the carrier plasmids into diatom cells through electroporation, and inoculating the diatom cells to an ESAW solid selective culture medium containing bleomycin to grow brown algal colonies; selecting the algal colonies with fluorescent protein signals from the algal colonies, namely the acid-resistant engineering algae. Compared with wild algae, the acid resistance of the engineering algae obtained by the invention is obviously improved. The method has important reference significance on acid-resistant diatom cultivation.
Resumen de: CN120483392A
The invention relates to the technical field of wastewater treatment, and discloses a high-salinity wastewater treatment method and device for achieving bacterium-alga granulation and synergistic denitrification, the high-salinity wastewater treatment method for achieving bacterium-alga granulation and synergistic denitrification comprises the following steps: placing microalgae and aerobic granular sludge in a photobioreactor for initial culture; after initial culture, adding magnetic iron oxide nanoparticles into the photobioreactor, and carrying out enhanced culture, so as to obtain the algal-bacterial symbiotic aerobic granular sludge, and carrying out denitrification treatment on wastewater by utilizing the bacteria-algae symbiotic aerobic granular sludge. The magnetic iron oxide nanoparticles are added in the growth process of bacteria and algae, so that the problems of slow aggregation and nucleation of bacteria and algae, low activity of photosynthetic electron carriers of algae cells under high salt stress, reduction of denitrification efficiency and the like in the ABGS formation process can be effectively solved; rapid aggregation and nucleation of bacteria-algae cells can be synchronously enhanced, the electron transfer efficiency of an algae cell photosynthetic system under high salt stress is improved, and the denitrification efficiency of microorganisms is improved.
Resumen de: CN120484964A
The invention relates to the technical field of biological culture for producing high-added-value products from microalgae, in particular to a haematococcus pluvialis culture medium and a haematococcus pluvialis culture method. The haematococcus pluvialis culture medium is mainly based on a BG11 culture medium, an organic carbon source acetic acid for value-added growth of haematococcus pluvialis is added on the basis of the BG11 culture medium, and meanwhile, the addition amount of a chelating agent, biotin and various trace elements in the culture medium are adjusted to inhibit the growth of bacteria and promote the growth of target organism haematococcus pluvialis cells. The biomass of the haematococcus pluvialis is obviously improved, and the production economic benefits can be efficiently improved in the large-scale production of the haematococcus pluvialis.
Resumen de: CN120477285A
The present invention discloses a feed additive for reducing heavy metal deposition in pig bodies and a preparation method thereof, and relates to the technical field of feeds, the feed additive is prepared from the following components: 10-20 parts of corn gluten meal, 10-20 parts of highland barley powder, 5-15 parts of compound microorganisms, 4-12 parts of whey powder, 4-8 parts of microalgae powder, 2-6 parts of fish meal, 4-12 parts of active additives, and 0.5-5 parts of vitamin C; the active additive is prepared by mixing a Chinese herbal medicine extract and modified activated carbon; through the synergistic effect of multiple functions, the feed additive disclosed by the invention can significantly reduce heavy metal enrichment of target organs in pig bodies, avoid loss of feed nutrient elements, synchronously improve the stress resistance and growth efficiency of pigs, reduce the safety risk of meat products from the source, and provide key technical support for green and healthy transformation of animal husbandry.
Resumen de: US2025257313A1
A culture device comprises: a gas supply unit; and a plurality of containers. The gas supply unit is connected with the plurality of containers through a plurality of gas supply lines, respectively. The plurality of gas supply lines are provided with a plurality of valves, respectively. While microalgae are cultured in the plurality of containers, the opening degrees of the plurality of valves are adjusted. By such adjustment of the opening degrees, a greater amount of gas is supplied to one of the plurality of containers than those of the other containers.
Resumen de: US2025255337A1
In alternative embodiments, provided are compositions, including products of manufacture, foods and drinks and kits, comprising one or mixtures of two or more or a plurality of microalgae, wherein the microalgae, optionally blue-green algae or cyanobacteria, or extracts of the microalgae, or dried extracts of the microalgae, are formulated into a food, candy, nutritional supplement, or an ingestible liquid. In alternative embodiments, the one or two or more or a plurality of microalgae comprise a microalgae from the genus: Spirulina sp., Arthrospira sp., Limnospira sp, Dunaliella salina, and/or Nannochloropsis salina. In alternative embodiments, the one or two or more or a plurality of microalgae are formulated into a food such as a guacamole (to generate for example, to generate a Microalgae-Enriched Guacamole (MEG).
Resumen de: US2025257372A1
The subject invention provides compositions and methods for reducing deleterious atmospheric gases using microorganisms. In preferred embodiments, a composition comprising one or more beneficial microorganisms convert carbon dioxide to calcium carbonate, magnesium carbonate, a bicarbonate, or a combination thereof. The source of the carbon dioxide can be industrial emissions. In some embodiments, the composition sequesters carbon with the use of a trough growth system and the culture and/or growth by-product can be sequestered in underground geological formations.
Nº publicación: WO2025166399A1 14/08/2025
Solicitante:
ANNUELLO INVEST PTY LTD [AU]
ANNUELLO INVESTMENTS PTY LTD
Resumen de: WO2025166399A1
The present disclosure generally relates to liquid compositions that can be used to treat a water body, for example a dam, river or waste water. In particular, the present disclosure relates to compositions that can be used to control cyanobacteria in a water body. The liquid compositions comprise worm castings, a sugar source and optional other additives/excipients. The present disclosure also relates to methods of treating a water body using the liquid compositions. The present disclosure also relates to processes for preparing the liquid compositions, and also to uses and kits comprising the liquid compositions.
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