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163
resultados
Última actualización
15/03/2026 [07:53:00]
Resultados 75 a 100 de 163
Resumen de: WO2025257611A1
The invention relates to biotechnology and represents a new planktonic strain of the unicellular green microalgae Chlorella vulgaris, intended for biomass production. The planktonic strain of the unicellular green microalgae Chlorella vulgaris KD BCF, deposited in CCAP under number 211/144, is intended for biomass production. It meets the requirements for industrial cultivation and can be used for a wide range of applications: as a food product, for the production of beverages, as a raw material for the manufacture of pharmaceuticals and dietary supplements, as animal feed, as an algolisant for biological rehabilitation of water bodies, and for wastewater treatment. 1 example.
Resumen de: KR20250176100A
본 발명은 UV를 이용한 세포벽이 얇은 미세조류 선별방법 및 이를 이용하여 분리한 새로운 클로렐라 균주에 관한 것이다. 본 발명을 이용하면 세포벽이 얇은 미세조류 균주를 효과적으로 선별할 수 있고, 상기 선별방법으로 분리된 클로렐라 소로키니아나 UTEX2744 (Chlorella Sorokiniana UTEX2744)는 야생형과 비교하였을 때 생장속도, 지질 함량, 전분 함량과 바이오매스 함량에서 유의한 차이가 없으면서도 세포벽이 얇아 더 많은 바이오 생산물을 얻을 수 있고 유전자 조작이 쉬운 우수한 생물자원으로 사용할 수 있다.
Resumen de: EP4663740A1
A process and a plant for the production of microalgal lipids with simultaneous treatment of the liquid and gaseous effluents of anaerobic digestion are described; the process includes the steps of: collecting the digestate and separating the liquid fraction from the dry fraction; mixing, within a loading step, the liquid fraction with water and with the reagents necessary to obtain a culture medium suitable for microalgal growth; continuously feeding the culture medium to the mixing step; simultaneously extracting the effluent from the mixing step to the discharge step; activating a recirculation between the mixing step and the absorption step, maintained in the absence of light; simultaneously extracting the effluent as treated biogas; separating the microalgal biomass from the effluent, for subsequent extraction of the lipids; collecting the digestate and separating the liquid fraction from the dry fraction, wherein this step must be implemented upstream of the process.
Resumen de: GB2641793A
A method of producing single cell protein SCP or biomass comprises culturing microbial inoculum in a growth medium comprising dairy-derived whey. The method may comprise (i) inoculating growth medium comprising dairy-derived whey with a microbial inoculum to form an inoculated microbial mixture, (ii) incubating the inoculated microbial mixture at a first incubation temperature to generate a propagated starter culture, (iii) adding the starter culture to a growth medium comprising dairy-derived whey to form a fermentation mixture and incubating the fermentation mixture, and (iv) treating the fermentation mixture to produce a SCP. The fermentation mixture may be incubated at a second incubation temperature for at least 24 hrs. At least one of the strains in the microbial inoculum may be a microalga, a yeast, a fungi or a bacteria. The propagated starter culture preferably comprises a mixture of at least two strains of microalgae, at least two strains of fungi, at least two strains of yeast, and at least two strains of bacteria. A product or supplement comprising the biomass, a propagated microbial culture and use of the culture in microbial fermentation, and a method of identifying microorganisms capable of efficiently producing biomass using dairy-derived whey are also claimed.
Resumen de: TW202547535A
The present invention relates to a Fucoidan composition and a preparation method thereof. The Fucoidan composition contains the following components in terms of weight percentage: Japanese Okinawa mozuku Fucoidan of 20 to 30%; Undaria pinnatifida Sporophyll Fucoidan of 25 to 35% from Tasmanian waters, Australia; Fucus vesiculosus Fucoidin of 25 to 35% from Tasmanian waters, Australia; microalgae Fucoidan of 5 to 10%; and microalgae Fucoxanthin of 1 to 5%. Through optimization of a formulation with multiple components, the present invention enables the prepared Fucoidan composition to achieve an effective inhibition rate of 90% or more against human colon cancer, human pancreatic cancer, human liver cancer, human prostate cancer, human breast cancer, or human lung cancer.
Resumen de: CN121136792A
The invention discloses a microalgae biological culture device and method. The culture device comprises a support and a funnel-shaped round cylinder arranged on the support, a pointed cone is arranged in the center of the funnel-shaped round cylinder, flow guide twisted lines are arranged on the pointed cone, a circulating water injection pipe is arranged on the side wall of the funnel-shaped round cylinder, and a culture water input pipe and a microalgae output pipe are arranged at the bottom of the funnel-shaped round cylinder. The culture method comprises the following steps: pumping culture water into a funnel-shaped cylinder through a culture water input pipe until a target volume is reached, inoculating microalgae, and circularly injecting the culture water into the top of the funnel-shaped cylinder from the bottom of the funnel-shaped cylinder through a circulating water injection pipe to form an inward vortex, so that the microalgae grow; and after the growth is finished, closing the circulating water injection pipe, naturally standing, gathering the microalgae concentrated solution to the central position of the funnel-shaped cylinder, and collecting from the microalgae output pipe. According to the invention, through the funnel-shaped cylinder, the circulating water injection pipe and the flow guide twisted lines, the algae-water mixed liquid forms an inward vortex in the funnel-shaped cylinder, no additional energy waste for stirring is needed, and the cost is redu
Resumen de: CN121136825A
The invention discloses a chlorella pyrenoidosa microalgae fertilizer for preventing and controlling pathogenic bacteria of farmland soil scab as well as a preparation method and application of the chlorella pyrenoidosa microalgae fertilizer, and belongs to the technical field of biology. The invention discloses a chlorella pyrenoidosa microalgae fertilizer for preventing and controlling pathogenic bacteria of farmland soil scab. The chlorella pyrenoidosa microalgae fertilizer is an alkaline microalgae fertilizer or an acidic microalgae fertilizer. Compared with the existing traditional chemical pesticide or biocontrol inoculant, the chlorella pyrenoidosa microalgae fertilizer disclosed by the invention has the advantages that the application amount of the chemical pesticide is greatly reduced, the abundance of pathogenic bacteria of scab in farmland soil is fundamentally blocked, controlled and inhibited, the diversity and functional activity of soil microorganisms are remarkably enhanced, and the application amount of the chemical pesticide is greatly reduced. The yield of rhizome crops such as potatoes is improved, and the disease prevention and control, soil improvement and crop productivity improvement efficiency of the rhizome crops are highly considered.
Resumen de: CN121137084A
The method comprises the following steps: (1) preparing a domestication culture medium by taking deuterium water as a solvent, carrying out illumination culture by taking CO2 or CO2 mixed gas as a carbon source, and domesticating the microalgae for multiple times to obtain deuterium water-resistant microalgae; (2) transferring the deuterium-water-resistant microalgae into a growth culture medium taking deuterium water as a solvent, and continuously carrying out illumination culture on the microalgae by taking CO2 or CO2 mixed gas as a carbon source, so as to obtain the deuterium-water-resistant microalgae with high carbohydrate content; (3) hydrolyzing the deuterium-water-resistant microalgae with high carbohydrate content by using an acid hydrolysis method to obtain a deuterium-water-resistant microalgae hydrolysate; and (4) putting the deuterium-resistant water microalgae hydrolysate into a fermentation container, and adding fermentation microorganisms to obtain the deuterated compound. According to the method disclosed by the invention, various deuterated compounds 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: CN121137109A
The invention discloses a method for improving the fermentation level of microalgae astaxanthin through plant hormone pretreatment, and belongs to the technical field of microalgae biology. According to the method, firstly, under the dark condition, two plant hormones including brassinolide and cytokinin are utilized to conduct pretreatment on a Chromococcus zoffii seed solution so as to increase the number of plastids, and then through shake-flask culture and fermentation tank fed-batch fermentation, it is proved that the strategy can promote accumulation of astaxanthin of Chromococcus zoffii under the nitrogen deficiency condition. The appropriate concentrations of the two plant hormones are both low, high light stress is not needed, the step operation is simple and convenient, and the production cost is reduced.
Resumen de: CN121135023A
The invention discloses a central kitchen emission reduction system which comprises a wastewater treatment module and a tail gas treatment module, the wastewater treatment module comprises an oil-water separator, a coagulation precipitator, a microalgae photoreactor and a cyclone separator which are connected in sequence, and a water inlet pipe of the oil-water separator is connected with a water outlet of a central kitchen; the tail gas treatment module comprises a condenser and a purification tower, a gas inlet of the condenser is connected with an exhaust port of the central kitchen, a second exhaust pipe of the purification tower is connected with a gas inlet of the microalgae photoreactor, and a water outlet of the microalgae photoreactor is connected with a third water inlet of the cyclone separator. Grease and particles in wastewater of a central kitchen are purified through an oil-water separator and a coagulation precipitator, VOCs and particles in waste gas of the central kitchen are removed through a condenser and a purification tower, and the wastewater and the waste gas are treated through a microalgae photoreactor at the same time. The emission reduction system can reduce the emission of carbon dioxide in the tail gas of the central kitchen while cooperatively utilizing nutritional ingredients in the domestic wastewater of the central kitchen.
Resumen de: CN223674443U
The utility model relates to the technical field of aquaculture wastewater, and discloses a microalgae resourceful treatment aquaculture wastewater device, which is used for aquaculture tail water treatment and comprises a treatment pond, support legs are arranged at the bottom of the treatment pond, a water inlet pipe for introducing tail water into the treatment pond is arranged in the treatment pond, and a water outlet pipe for introducing the tail water into the treatment pond is arranged in the treatment pond. A microalgae treatment mechanism for treating the aquaculture tail water is arranged in the treatment pond. By culturing the green algae terrace, pollutants such as nitrogen and phosphorus in the water body are consumed by utilizing the biological activity of the green algae terrace, so that the efficient nitrogen-reducing and phosphorus-removing effects are realized. The biological treatment method not only is environment-friendly, but also can effectively remove harmful substances in the wastewater. Meanwhile, the position of the mounting framework can be adjusted according to the water level in the treatment pond, and it is ensured that the green alga apron is always in the optimal treatment state. When the abundance of green alga cells reaches a peak value and enters a decline stage, the green alga terrace can be easily taken out by simply adjusting the fixing assembly, and subsequent treatment or replacement is facilitated.
Resumen de: CN121109274A
The invention belongs to the technical field of microalgae biology and culture, and particularly relates to a method for promoting microalgae growth by using a pharmaceutical product, which comprises the following steps: activating microalgae on a solid flat plate, inoculating the activated microalgae into a liquid culture medium, adding the pharmaceutical product at the initial stage of microalgae growth, placing in a constant-temperature shaking table, and carrying out illumination culture. According to the method, different types of pharmaceutical products with different concentrations are added into the microalgae, the influence of the addition of the different types of pharmaceutical products with different concentrations on the growth promotion of the microalgae is analyzed, the biomass of the chlorella can be rapidly increased, and the method has important significance on the large-scale production of the microalgae.
Resumen de: CN121107889A
The invention relates to the technical field of sewage treatment, in particular to a method for preparing a microalgae biological fertilizer from domestic sewage. The method comprises the following steps: pretreating domestic sewage, removing suspended solids and large-particle impurities, converting organic nitrogen and phosphorus into inorganic nitrogen and phosphorus, and adding trace elements to obtain pretreated domestic sewage; mixing the pretreated domestic sewage with the activated sludge-microalgae mixture, and co-culturing to obtain a microalgae-microorganism culture solution; carrying out solid-liquid separation on the microalgae-microorganism culture solution to obtain a microalgae-microorganism mixture and water treated to reach the standard; the microalgae microorganisms and crop straw are mixed and fermented, and the microalgae biological fertilizer is obtained. According to the method, the microalgae and the activated sludge are co-cultured by taking the domestic sewage as a culture medium, the domestic sewage treatment is realized while water and nitrogen, phosphorus and potassium fertilizer resources are saved, and the microalgae biological fertilizer has the advantages of realizing resource recycling, improving the nutrient content of the biological fertilizer and the like.
Resumen de: CN121109139A
The invention discloses a method for improving the yield of microalgae SA-2 lipid. The invention relates to the technical field of microalgae biology, in particular to a method for increasing the yield of microalgae SA-2 lipid. The method comprises the following steps: 1, inoculating microalgae SA-2 into a BBM culture medium; 2, then inoculating to a BBM culture medium containing NaHCO3; and 3, inoculating into an-NBBM culture medium, and culturing. The microalgae SA-2 disclosed by the invention is an extreme saline-alkali-resistant algae strain separated from rhizosphere soil of salix mongolica in saline-alkali soil in Andam City, Heilongjiang Province, China, the NaHCOO tolerance concentration of the microalgae SA-2 is up to 800mM (mmol/L), and the microalgae SA-2 is a typical saline-alkali adaptive algae strain. In the prior art, a lipid enhanced culture method for the algal strains with saline-alkaline adaptability is not reported yet.
Resumen de: KR20250174249A
본 발명은 미세조류 코엘라스트렐라 KNUA068(Coelastrella sp. KNUA068, KCTC15891BP)의 폐수에서의 배양가능성을 확인하였고, 폐수 영양소 제거 효과, 카로티노이드 함량 증대 효과, 바이오디젤 생산성에 대해 확인하여, 미세조류 코엘라스트렐라 KNUA068(KCTC15891BP)이 폐수 처리, 카로티노이드 및 바이오디젤 생산에 이용될 수 있음을 확인하였다.
Resumen de: CN121109245A
The invention discloses algicidal bacteria A3 and application thereof in inhibiting cyanobacterial bloom, and belongs to the technical field of biology. The algicidal bacterium A3 is identified as bacillus velezensis A3 and is preserved in the Guangdong Microbial Culture Collection Center, and the preservation number of the algicidal bacterium A3 is GDMCC No: 66947. The invention also provides an algicidal bacterial agent containing the algicidal bacteria A3, and also provides an application of the algicidal bacteria A3 or the algicidal bacterial agent in inhibiting cyanobacterial bloom. The algicidal bacterium A3 has a degradation effect on harmful blue-green algae, has an efficient blue-green algae inhibition effect, has biological safety on zebra fish in an algae killing concentration range, is suitable for preventing and treating algal bloom water bodies invading blue-green algae such as cushagi larakii and fine mold of fine mold, and has a wide application prospect.
Resumen de: CN121127574A
Disclosed herein is a method of producing a protein mixture comprising: (a) providing in a reaction vessel a co-culture comprising microalgae and methanotrophic bacteria obtained from waste activated sludge, and (b) operating the reaction vessel under conditions comprising: supplying a gas comprising CO2 and CH4 and not comprising oxygen to the co-culture, and illuminating the co-culture to produce a protein mixture.
Resumen de: CN121102499A
The invention provides construction and application of an electrostatic-driven artificial biological hybrid system capable of automatically producing oxygen. The artificial biological hybrid system is constructed by adsorbing a quinoline nitrile aggregation-induced emission photosensitizer on the surface of microalgae through electrostatic interaction. According to the invention, a quinoline nitrile aggregation-induced emission (AIE) photosensitizer is adsorbed on the surface of microalgae through electrostatic interaction for the first time, and an electrostatic-driven assembled artificial biological hybrid system (ABH) is constructed. According to the artificial biological hybrid system, microalgae is used as a self-produced oxygen bag, oxygen is continuously provided for the AIE photosensitizer, the ROS generation capacity of the photosensitizer is remarkably enhanced, and efficient killing of tumor cells is achieved. In addition, the artificial biological hybrid system can also realize long-time retention of a tumor part, and has an excellent in-vivo anti-tumor effect.
Resumen de: CN121127573A
The present invention relates to a microorganism belonging to the genus Rhodococcus, the genus Xanthobacter, the genus Ancylobacter, the genus Shewanella, or the genus Aeromonas, and a method for producing the same, and more specifically, to a microorganism belonging to the genus Rhodococcus, the genus Xanthobacter, the genus Ancylobacter, the genus Shewanella, or the genus Aeromonas. The microorganism can be Rhodococcus hedyotidis (Rhodococcus cerevisiae) of the genus Rhodococcus, Xanthobacter flavus (Xanthobacter flavus) of the genus Xanthobacter, or Ancylobacter rudongensis of the genus Ancylobacter, and the microorganism can be a microorganism of the genus Ancylobacter, or a microorganism of the genus Ancylobacter, or a microorganism of the genus Ancylobacter, or a microorganism of the genus Ancylobacter and a microorganism of the genus Ancylobacter. The microorganism can be used for promoting the growth of blue algae, green algae, grey algae or euglena. The microorganism can be used to promote the growth of an organism belonging to the phylum cyanobacteria, unequal flagellum, euglenophyta, cryptophyta, rhodophyta, chlorophyta or chalaphyta.
Resumen de: CN121109246A
The invention discloses algicidal bacteria TH41 and application thereof in inhibiting cyanobacterial bloom, and belongs to the technical field of biology. The algicidal bacterium TH41 is identified as bacillus pumilus TH41 and is preserved in the Guangdong Microbial Culture Collection Center, and the preservation number of the algicidal bacterium TH41 is GDMCC No: 66948. The invention also provides an algicidal bacterial agent containing the algicidal bacteria TH41. The invention further provides application of the algicidal bacterium TH41 or the algicidal fungicide in inhibiting cyanobacterial bloom. The algicidal bacterium TH41 has a degradation effect on harmful blue-green algae, has an efficient blue-green algae inhibition effect, has biological safety on daphnia magna and zebra fish in an algae killing concentration range, is suitable for preventing and treating various blue-green algae such as microcystis aeruginosa, cuscuta larakii, pichia mold and anabaena pseudosciaena, and has a wide application prospect.
Resumen de: WO2025255275A2
By engineering genetic traits associated with photosynthesis in plants, transgenic plants with increased crop yield can be generated, which will ultimately lead to increased food production in the field. To obtain beneficial genetic traits for enhanced photosynthesis, accelerated evolution is applied under salt stress in a cyanobacteria species, Synechococcus elongatus PCC 7942, by conditionally suppressing its mismatch repair system. Through high-throughput screening for biomass accumulation and sucrose production, it is discovered that specific amino acid changes in the pre-Dl protein of Photosystem II (PSII), encoded by the psbA genes, can improve efficiency of photosynthesis under salt stress, as well as pathogen resistance. Next, the same amino acid changes were made in Arabadopsis and proved that photosynthetic efficiency (measured via growth rate) is also increased in this model vascular plant.
Resumen de: WO2024161108A1
Disclosed is a chlorophyll-deficient strain of Chlorella microalgae having a protein content of at least 50% w/w. Also disclosed is a method of producing a chlorophyll-deficient strain of Chlorella microalgae having a protein content of at least 50% w/w. Also disclosed is a composition comprising an algae biomass derived from the aforementioned chlorophyll-deficient strain of Chlorella microalgae or obtained by performing aforementioned method.
Resumen de: CN121085658A
The invention belongs to the technical field of preparation of concrete through microorganisms, and particularly relates to a method for preparing a concrete super-hydrophobic surface through microorganisms. The invention provides a method for preparing a concrete super-hydrophobic surface by microorganisms, which comprises the following steps: smearing a cyanobacteria culture solution on the surface of concrete, and mixing to obtain cyanobacteria concrete; and the cyanobacteria concrete surface is subjected to smoothing treatment and mineralization treatment, and the concrete super-hydrophobic surface is obtained. The cyanobacteria disclosed by the invention are wide in distribution, easy to culture and extremely low in cost. The concrete is in contact with cyanobacteria, the cyanobacteria secretes a large amount of acid compounds, cement in the concrete is decomposed, the content of calcification compounds in the concrete is increased, a mineralization layer is conveniently formed on the surface of the concrete, and the hydrophobic effect is guaranteed. Meanwhile, the concrete surface is smoothed, so that the concrete surface is smooth, and the hydrophobic effect of the concrete is improved. And through mineralization treatment, drying of the surface of the concrete is accelerated, and a super-hydrophobic structure is formed.
Resumen de: CN121086870A
The invention discloses a flue gas absorption microalgae culture device, which comprises a culture system, the culture system comprises a culture room, the culture room comprises: a plurality of groups of carriers uniformly arranged in the culture room and used for carrying microalgae; a plurality of groups of liquid storage tanks are uniformly arranged at the bottom in the culture room, are used for providing a culture medium solution for the microalgae, and are uniformly distributed below the plurality of groups of carriers; the driving mechanism is located on one side of the culture room and used for pushing the liquid storage tank to reciprocate left and right; the liquid storage tank is arranged in the culture room, the opening is formed in one side of the liquid storage tank in the culture room, a side door is arranged in the opening, and a fixing mechanism is arranged between the side door and the opening. Nutrient substances are transferred by utilizing the principle of capillary action, a carrier is cultured in a vertical space, and a fixed culture medium which is relatively low in water content and is sufficiently wet is provided for microalgae cells to provide nutrition; a double-sided light source is combined with a technology for recycling carbon dioxide in flue gas and a microalgae culture technology, so that energy conservation and emission reduction are facilitated.
Nº publicación: CN121086866A 09/12/2025
Solicitante:
CHN ENERGY NEW ENERGY TECH RESEARCH INSTITUTE CO LTD
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Resumen de: CN121086866A
The invention discloses a microbubble culture microalgae reactor and a coal-fired flue gas treatment system and method. The microbubble culture microalgae reactor comprises a reaction tank body, an air inlet mechanism, a stirring mechanism and a catalysis mechanism, the air inlet mechanism is connected with the reaction tank body to feed air into the reaction tank body, and the stirring mechanism is connected with the reaction tank body to stir a culture solution in the reaction tank body; the catalysis mechanism is arranged in the reaction tank body so as to widen the light absorption range of the microalgae. According to the device, the gas-liquid contact area can be increased, carbon dioxide and the microalgae species culture solution can be in full contact, the reaction efficiency is improved, the production efficiency per unit area is high, and pure species high-density culture can be realized.
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