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156
resultados
Última actualización
11/09/2026 [07:58:00]
Resultados 100 a 125 de 156
Resumen de: EP4755865A1
0001 Biostimulant compositions and methods for enhancing soil organic carbon are provided. A mixture of bioavailable B12 and amino acids phenylalanine (Phe) and lysine (Lys) - was found to enhance soil organic carbon and crop growth due to synergistic effects between the bioavailable B12 and the PheLys. The bioavailable B12 and the PheLys may be derived from various sources, including, e.g., cyanobacteria (e.g., spirulina - Arthrospira platensis) or green algae (e.g., Nannochloropsis spp.) cultivated under photosynthetically controlled conditions to yield upregulated bioactive compounds such as bioavailable B12 and amino acids. One or more sources may be used to provide the bioavailable B12, Phe and Lys, and algal cultivation may be integrated with additional industries to yield synergistic biostimulation effects.
Resumen de: CN122168416A
The invention discloses a stable stress-resistant microbial community structure and a construction method and application thereof, and the construction method comprises the following steps: taking green algae and protozoa in a logarithmic phase and an algae liquid containing microcystis, adding nutrients and trace elements, and carrying out co-culture to make the green algae become dominant species; the co-culture solution is diluted and then subjected to semi-continuous flow operation in a photobioreactor, water is periodically changed, nutrients and trace elements are periodically supplemented, meanwhile, a photosynthesis accelerant is added, the microalgae biomass is continuously increased, and the green alga advantage is maintained; and in the culture process, when the proportion of free green algae is greater than 60% or the community is impacted, adding a green algae group aggregating agent to form a green algae group. The invention also discloses the microbial community constructed by the method and application of the microbial community in sewage treatment or water body remediation. The problems that microalgae are easily polluted by microorganisms in the open system culture process, the culture system is unstable, and the impact resistance of the system is weak are solved.
Resumen de: CN122167608A
The invention discloses an extraction method and application of microalgae polysaccharide. The method comprises the steps of fat removal, alcohol-soluble molecule removal, ultrasonic water extraction, flavone removal, protein removal, pigment removal, ethanol precipitation, small molecular substance removal and freeze drying. According to the method, directional step-by-step impurity removal and ultrasonic water extraction are combined, so that efficient separation of polysaccharide and impurities is realized. The optimal ultrasonic extraction process is optimized and determined through a response surface method, the ultrasonic extraction power is fixed to be 100 W, the ultrasonic extraction temperature is 49 DEG C, the extraction time is 61 min, the material-liquid ratio is 1: 20 g/mL, extraction is carried out for three times, and the polysaccharide yield reaches 1.45% under the conditions. The obtained nannochloropsis sp. Polysaccharide has remarkable antioxidant activity and has a good scavenging effect on DPPH free radicals, hydroxyl free radicals and ABTS free radicals, and the total reducing power is enhanced in a dose-dependent mode. The extraction process is simple and controllable, and the obtained polysaccharide is high in purity and good in activity and can be used as a natural antioxidant to be applied to the fields of functional food, health care products and cosmetics.
Resumen de: CN224337547U
The utility model provides a microalgae particle culture device and system for carbon capture, the microalgae particle culture device for carbon capture comprises a tank body, a first guide cylinder and a second guide cylinder, the tank body is provided with a bottom water inlet pipe and an upper overflow port, the first guide cylinder is coaxially arranged in the middle of the tank body, and the second guide cylinder is coaxially arranged in the middle of the tank body; the bottom of the water inlet pipe is opposite to the water inlet pipe and forms an overflow gap with the bottom of the tank body, and a flow guide component positioned below the overflow port is arranged above the top and forms an overflow gap with the top; the top of the second guide cylinder is fixed with the top wall of the tank body, the bottom of the second guide cylinder sleeves the periphery of the first guide cylinder, and overflowing gaps are formed among the second guide cylinder, the inner wall of the tank body and the first guide cylinder; and a lighting assembly is arranged in at least one of the tank body, the first guide cylinder or the second guide cylinder. According to the application, efficient particle culture, convenient harvesting and carbon sequestration are realized by constructing a stable backflow channel, inducing particle deposition, promoting microalgae suspension flow and particle aggregation, providing directional light supplement by the lighting assembly, improving the photosy
Resumen de: CN122166932A
The invention relates to the technical field of resources and environments, in particular to a method for treating high-ammonia-nitrogen wastewater through a phycomycete mixed system and application. By regulating nutrition and operation parameters, a functional community with microalgae as a dominant and bacteria and cyanobacteria as a cooperative unit is constructed and maintained, and the relative abundance of the microalgae, the bacteria and the cyanobacteria is in a preset optimization interval. Microalgae such as nostoc and chlorella are mutualistic, bacteria such as flavobacterium and the microalgae are in an antagonistic relationship, and a positive and negative feedback mechanism maintains community balance and system robustness. The three functions complement each other, microalgae dominates CD-ROM nitrogen and phosphorus removal, cyanobacteria provide nitrogen fixation and stable support, functional bacteria participate in organic matter degradation and nitrogen circulation, and synergistic metabolism is realized through material exchange. Microbial ecology analysis proves that a stable community structure and an internal interaction mechanism are the core of efficiently and stably reducing ammonia nitrogen. The technology is accurate in regulation and control, stable in operation, environment-friendly and economical, and can be widely applied to treatment of various ammonia nitrogen polluted water bodies.
Resumen de: CN122163665A
The invention relates to the technical field of functional products, in particular to a composition for assisting in reducing blood fat and application of the composition. The invention provides a composition. The composition is prepared from bifidobacterium animalis subsp. Lactis MN-Gup, microalgae oil and phytosterol ester. The composition can effectively reduce triglyceride and total cholesterol levels at the same time, especially can significantly reduce low-density lipoprotein cholesterol and increase the content of high-density lipoprotein cholesterol, shows significant advantages compared with each single component, and has good application prospects. The traditional Chinese medicine composition has a remarkable blood fat reduction assisting effect, has good safety and industrialization feasibility, provides a basis for development of blood fat reduction assisting products, and provides a new intervention scheme for blood fat health management.
Resumen de: CN122180548A
The invention relates to a superstrong flashlight spiral reactor with jackets inside and outside. The superstrong flashlight spiral reactor comprises a system (100) and a method (300) for purifying air, increasing oxygen levels, semi-purifying water and fixing pollutants. The system (100) comprises an intake device (101) for sucking in contaminated liquid/air/gas, sensors (102, 110) for measuring carbon and oxygen, an ultraviolet filter unit (103), an autoclave processing system (104), a mixing chamber (105), a water pump (106), an optoelectronic system (107) with a helical tubular coil (1) and LEDs, a filter (108) and an interconnected ultraviolet system (109). The system also has a central heating or cooling system (111). The system (100) is capable of increasing oxygen content, immobilizing carbon dioxide to obtain carbon credits, and effectively treating exhaust gases and water. The method is convenient to operate, efficient and wide in application. The system (100) is suitable for any chemical reaction requiring extended residence time, microbial or yeast culture and growth of microalgae or macroalgae.
Resumen de: CN122168418A
The invention discloses a method for separating and preparing chlorella exovesicles. The method specifically comprises the following steps: firstly, carrying out induced culture on chlorella which is conventionally cultured to the early stage of a logarithmic phase in a nitrogen-limited culture medium; the preparation method comprises the following steps: preparing a culture solution, concentrating the culture solution through a tangential flow filtration system, carrying out iodixanol density gradient centrifugation on the concentrated solution, and collecting components in a density interval of 1.10-1.12 g/mL after centrifugation to obtain a chlorella external vesicle product. According to the method, membrane lipid regulation is carried out on early-stage induction culture of chlorella, and TFF concentration and density gradient centrifugation are combined, so that centralized and accurate collection of the outer vesicles of chlorella is realized, impurity interference is basically eliminated, the recovery rate reaches 60% or above, the purity reaches 2.56 * 10 < 10 > parts/mu g, and an efficient, controllable and large-scale scheme is provided for industrial separation and preparation of the outer vesicles of microalgae.
Resumen de: CN122168417A
The invention provides application of an algae composition in vegetable protein meat, and belongs to the technical field of food processing. The carotenoid content in the vegetable protein meat can be regulated and controlled, and the preparation method comprises the following steps: mixing algae cells with a tissue scaffold matrix to obtain bio-ink, carrying out 3D printing to obtain an algae composition, carrying out crosslinking with a cross-linking agent, forming hydrogel, and carrying out high-density culture and stress-induced culture to obtain the vegetable protein meat. According to the invention, microalgae is used as a sustainable nutrition source and an endogenous coloring agent, adjustable microalgae source pigment coloring is realized in the cultured meat for the first time, and a low-carbon and reasonable research framework is established for customization of future food system design and acquisition of health promotion type cultured meat products.
Resumen de: CN122150217A
The invention discloses a phaeodactylum tricornutum mutant strain with high yield of fucoxanthin and/or EPA as well as a breeding method and application of the phaeodactylum tricornutum mutant strain. According to the invention, two mutant strains are screened by adopting a normal-pressure room-temperature plasma (ARTP) mutagenesis technology in combination with a high-throughput flow Raman spectroscopy analysis method and the like, are respectively named as phaeodactylum tricornutum X7 and X20, are preserved in Guangdong Microbial Culture Collection Center on the fifth floor, No. 59 building, No. 100 Courtyard, Xianlie Middle Road, Guangzhou City on January 13, 2026, and have the preservation numbers of GDMCC No: 67643 and GDMCC No: 67644. The fucoxanthin and eicosapentaenoic acid (EPA) synthesis capability of the mutant strain is outstanding, and a core germplasm resource can be provided for large-scale and low-cost microalgae manufacturing of the fucoxanthin and the EPA.
Resumen de: KR20260083143A
본 발명은 루비듐 클로라이드를 포함하는 미세조류 배양용 조성물 및 이를 이용한 카로티노이드 생산 방법에 관한 것이다. 구체적으로, 본 발명의 조성물 및 생산 방법을 활용하는 경우 루비듐 클로라이드(RbCl)를 저농도로 처리하였을 때 미세조류의 성장에는 영향을 미치지 않으면서도 카로티노이드의 생산량을 유의미하게 증가시킬 수 있으므로, 본 발명은 낮은 농도에서도 효율적인 색소 생산할 수 있는 신규한 미세조류 배양 기술을 제공한다.
Resumen de: CN122139535A
The invention relates to a method for increasing the carbon and nitrogen content and the aggregate content of newly cultivated land soil by utilizing microalgae. The method comprises the step of applying a mixed algae solution of chlorella and nitrogen-fixing anabaena into the soil. In order to solve the problems of low carbon and nitrogen content and low productivity of newly cultivated land soil, chlorella and nitrogen-fixing anabaena are utilized to synergistically and efficiently fix carbon dioxide in the atmosphere, the carbon dioxide is converted into organic carbon to be stored in the soil, and meanwhile nitrogen in the air is converted into nitrogen available for plants through the biological nitrogen fixation effect, so that the nitrogen content of the cultivated land is increased, and the yield of the cultivated land is increased. Therefore, the carbon and nitrogen immobilization capability of the soil is effectively improved. In addition, the physiological activities of the two microalgae can also synergistically promote the formation of soil aggregates, improve the soil structure and enhance the water and fertilizer retention capability of the soil.
Resumen de: CN122144929A
The invention provides an internal light source coupled nano-micro carbon supply enhanced microalgae plastic removal and carbon sequestration system and method. The system comprises a light enhancement module, a nano-micro gas oscillation carbon supply module, a photobioreactor main body and an algal plastic harvesting and recycling module, the light intensification module, the nano-micro gas oscillation carbon supply module and the algal plastic harvesting and recycling module are respectively connected with the photobioreactor main body; the light intensification module is used for adding carbon quantum dots and plant hormone IAA into the photobioreactor main body, and is matched with illumination to realize composite illumination; the nano-micro gas oscillation carbon supply module is used for conveying micro-nano dispersed CO2 into the photobioreactor main body, and meanwhile, micro-plastics in a water body are deagglomerated; and the algal plastic harvesting and recycling module is used for harvesting and treating a microalgae mixture adsorbing the microplastics in the photobioreactor main body and realizing resource utilization. The invention aims to realize efficient removal of micro-plastics, efficient fixation of CO2 and resource utilization of biomass.
Resumen de: CN224325318U
The utility model discloses a fan-shaped periphytic microalgae culture device, which belongs to the technical field of microalgae culture and comprises a culture box, a plurality of periphytic microalgae culture plates distributed in a fan-shaped array are arranged in the middle of the inner bottom of the culture box, and a plurality of culture light sources are arranged on the side wall of one side of the culture box at equal intervals. According to the fan-shaped culture device for the periphytic microalgae, the technical bottlenecks of low culture efficiency, high harvesting cost, difficulty in scale amplification and the like in the industrialization process of the periphytic microalgae are effectively solved.
Resumen de: WO2026117091A1
A disclosed centrifugal-type automatic microalgae harvesting device comprises: a centrifugal separation chamber for temporarily storing a culture medium in which microalgae supplied from a main incubator or sub-incubators are cultured; a harvesting motor for providing, into the centrifugal separation chamber, a centrifugal force that allows high-speed rotation required for harvesting the microalgae; and a harvesting drum which is provided inside the centrifugal separation chamber so as to receive, therein, the culture medium in which the microalgae are cultured, and which receives the centrifugal force from the harvesting motor so as to separate the microalgae from the culture medium such that the microalgae are collected and harvested.
Resumen de: WO2026117033A1
The disclosed continuous expansion-type microalgae cultivation apparatus comprises: a main cultivator for receiving water from the outside through a first pipeline, adding nutrients to the water to form a medium, and inoculating the medium with microalgae to cultivate the microalgae; a sub-cultivator for receiving, from the main cultivator, the medium inoculated with the microalgae and allowing expansion of cultivation of the microalgae; and a harvester for selectively receiving, from the main cultivator and the sub-cultivator, the medium in which cultivation of the microalgae is completed, to separate the microalgae from a filtrate, thereby harvesting the microalgae.
Resumen de: WO2025021864A2
The present invention relates to a system for producing microalgae on an industrial and commercial scale including a plurality of leak-tight productive units containing the microalgae culture and nutrients, a pressurized air driving element, a pneumatic circuit which introduces air in the mentioned units, and a hydraulic drive circuit and a hydraulic return circuit which allow circulation between the units with a central manifold, such that the distribution of ducts forming said circuits enables a homogeneity of the content of the leak-tight productive units to assure the production of microalgae on an industrial scale.
Resumen de: CN224313528U
The utility model relates to the technical field of microalgae cultivation, and discloses a pipeline microalgae cultivation device which comprises a bearing table and a hydraulic cylinder, the side face of the hydraulic cylinder is fixedly connected with a meshing rack, and the top of the meshing rack is meshed with a meshing half gear. According to the pipeline microalgae culture device, a connecting table fixedly connected with a connecting seat at the top of an engaged half gear controls a pipeline culture tank welded in a butt joint table to incline leftwards through a second bolt, and then microalgae and a culture solution in the pipeline culture tank can be rapidly poured out; meanwhile, an auxiliary friction rod is used for increasing the contact friction force with a meshing rack, so that the stability of angle inclination during meshing and driving of the meshing rack and a meshing half gear in the driving process is ensured, and the limitation that internal microalgae and culture solution can be poured out only through cooperation of multiple persons in the whole operation process is avoided; and in the pouring-out process, the leakage condition caused by slipping out of the hand can be avoided, and operation is more convenient and stable.
Resumen de: CN224313348U
The utility model relates to a particle microalgae multistage sewage treatment device which comprises a sedimentation tank, a lifting pump, a pipeline and a microalgae reaction tank, and is characterized in that the microalgae reaction tank comprises a reaction tank A, a reaction tank B and a reaction tank C which are vertically connected in series through a communicating pipeline and are provided with microalgae; the upper part of the sedimentation tank is connected with an upper water inlet of the reaction tank A through a lifting pipeline, the lifting pipeline is fixedly connected with a lifting pump, water inlets and water outlets of the reaction tank A, the reaction tank B and the reaction tank C are connected with a communicating pipeline through flanges, and gaskets between the flanges are sieve plate type gaskets. According to the device, under the action of illumination, nitrogen and phosphorus removal of sewage is realized through the reproduction of microalgae, and effluent treated by the three microalgae reaction tanks is discharged through a pipeline. By means of the design, efficient purification of rural sewage is achieved, meanwhile, energy consumption is reduced, the structure is simple, a compact integrated system is adopted, and the occupied area and construction cost are saved.
Resumen de: CN224313527U
The utility model discloses a three-runner runway type open pool for microalgae culture. The three-runner runway type open pool comprises an open pool body, two flow separation walls which are arranged side by side are arranged in the open pool body, the space in the open pool body is divided into three side-by-side flow channels by the flow separation walls, and the three side-by-side flow channels are two side flow channels and a middle flow channel respectively; the two ends of every two adjacent flow channels communicate with each other. And a stirring paddle for driving the microalgae culture solution to flow is arranged at one end of the middle flow channel. According to the utility model, the traditional two flow channels of a runway type open pool are improved into three flow channels, so that the flow rate of microalgae culture solution can be effectively increased, a mixed dead zone is reduced, microalgae deposition is prevented, the fester rate is reduced, and the microalgae culture efficiency is improved. The device is particularly suitable for large-scale runway type open pools, and energy consumption at the same flow speed is reduced.
Resumen de: CN122128157A
The invention discloses a method for culturing dicystis, a method for extracting active components of the dicystis and an application of an extract of the dicystis in cosmetics, and belongs to the field of marine microalgae cosmetics. The dicystis sp. MH1 is derived from the intertidal zone of the South China Sea, and the preservation number of the dicystis sp. MH1 is CCTCC (China Center for Type Culture Collection) NO: M 2026091. Experiments prove that an aqueous extract, an alcohol extract and an ester extract of the dicystis all have obvious anti-oxidation, whitening, anti-inflammatory and sunscreen effects, and are suitable for preparing cosmetics with four effects of anti-oxidation, whitening, sunscreen and anti-inflammatory. The algal strain is high in culture efficiency, simple and convenient in extraction process and rich in active ingredients, a new way is provided for developing natural and multi-effect cosmetic raw materials, and the application prospect is wide.
Resumen de: CN122123448A
The invention relates to the field of feeds, and particularly discloses a preparation method of a selenium-strontium-enriched amino acid chelated feed. Comprising the following steps: S1, inoculating activated microalgae species and yeast species into a culture medium added with a selenium compound and a strontium compound, controlling the pH value of the culture medium to be 6.5-7.5 and the culture temperature to be 25-35 DEG C, and culturing for 5-7 days under the conditions of light and gas transmission; s2, harvesting through a flocculating agent to obtain selenium/strontium-enriched algae biomass, carrying out ultrasonic treatment on the selenium/strontium-enriched algae biomass for 10-20 minutes, then adding soybean meal and rape seed cakes into the selenium/strontium-enriched algae biomass, and stirring; s3, cellulase, papain, alkaline protease and pectinase are added for enzymolysis, and the selenium/strontium-enriched amino acid fermentation product is obtained. According to the amino acid chelate feed rich in selenium and strontium and the preparation method of the amino acid chelate feed, the intestinal health of animals can be improved, and the absorption and utilization rate of the animals to nutrient substances and the immunity of the animals are improved.
Resumen de: CN122104390A
The invention belongs to the technical field of microalgae concentration, and discloses a microalgae circulating precipitation concentration harvesting device and a harvesting method.The microalgae circulating precipitation concentration harvesting device comprises a shading circulating precipitation concentration barrel, a liquid outlet pipe is communicated with one side wall of the top of the circulating precipitation concentration barrel, and a liquid inlet pipe is communicated with one side wall of the circulating precipitation concentration barrel; the liquid inlet pipe is positioned below the liquid outlet pipe on the circulating precipitation concentration barrel; the exterior of the liquid inlet pipe is communicated with a power pump, and the water inlet end of the power pump is communicated with an external algae liquid culture device through a pipeline. The liquid inlet flow is controlled by adjusting the power pump, so that the rising speed of the liquid level in the circulating precipitation concentration barrel is smaller than the dark precipitation speed of algae cells, the algae cells can be gradually precipitated and concentrated at the conical bottom of the circulating precipitation concentration barrel in the circulation process of the algae liquid, and the concentrated algae liquid can be collected through the sampling pipe at the bottom of the circulating precipitation concentration barrel. According to the invention, the purposes of continuous circulating
Resumen de: CN122096025A
The invention discloses a method for cooperatively fattening oysters by utilizing compound microalgae and lactic acid bacteria. The method comprises the following steps: temporarily culturing the oysters; the method comprises the following steps: selecting chlorella vulgaris, Platymonas Qingdao, skeletonema costatum and Chaetoceros mulleri as composite microalgae, and carrying out expanding culture on each microalgae in an f/2 culture medium to a logarithmic phase; lactobacillus plantarum is used as a probiotic agent, and activation and amplification culture are carried out; then collecting and concentrating the thalli; preparing a bacterial suspension for later use; mixing the composite microalgae liquid and the lactobacillus plantarum suspension in a fermentation container, and fermenting in a standing manner; and then feeding the fermented mixed liquid twice a day, taking out the oysters, and finishing fattening. According to the method, through the synergistic effect of the microalgae and the lactic acid bacteria, the fatness, the protein content, the total sugar content, the triglyceride content and the unsaturated fatty acid content of the oysters can be remarkably improved, meanwhile, the fattening cost is effectively reduced, the weight increment of the oysters can be accelerated, the meat yield can be increased, the aquatic water can be purified through the metabolic activity of the microalgae, and nitrogen and phosphorus accumulation in the water can be reduced.
Nº publicación: CN122104499A 29/05/2026
Solicitante:
SUN YAT SEN UNIV
BEIJING LUHAI CHEMISTRY CO LTD
XINJIANG OASIS DAYANG BIOTECHNOLOGY CO LTD
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Resumen de: CN122104499A
The invention discloses a method for culturing and harvesting nematonema and application of the nematonema in brackish water desalination, and belongs to the technical field of water treatment. The nodosilineasp. MH-2 is derived from the intertidal zone of the South China Sea, and the preservation number of the nodosilineasp. MH-2 is CCTCC (China Center for Type Culture Collection) NO: M 2026092. The Tinonematode MH-2 is put into the brackish water to be cultured, so that the salinity of the brackish water can be effectively reduced. The connezozoa is fast in growth and has high salinity and temperature adaptability, the industrial bottleneck that microalgae are difficult to harvest is well solved through the biological membrane form of the connezozoa, and the connezozoa has unique advantages in the field of water treatment. The method is easy to operate, low in cost and environmentally friendly, the salinity of brackish water with different salinity can be efficiently and stably reduced, algae-water separation can be easily achieved after treatment, the harvested nematonema has high-value utilization potential, and a brand-new green solution is provided for brackish water resource utilization.
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