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162
results.
Updated on
07/08/2025 [09:36:00]
Results 125 to 150 of 162
Absstract of: CN119875937A
The invention discloses an artificial crust compound biological agent and a use method thereof, and aims to solve the problem of wound ecological restoration in Hexi corridor engineering construction. The compound biological agent is composed of a microalgae and artemisia desertorum gum mixed solution and bacillus powder, the microalgae comprise microcoleus vaginatus, pseudocladosporium javanicum and championia gracilis, the microalgae and the artemisia desertorum gum are mixed according to a specific proportion and then are compatible, and bacillus subtilis or bacillus mucilaginosus can be selected as the bacillus powder. When in use, the bacillus powder is firstly scattered, and then the microalgae artemisia desertorum gum mixed solution is sprayed. The compound biological agent provided by the invention can significantly improve the crust thickness, biomass and compressive strength of the sand soil, reduce the wind erosion rate, increase the contents of nitrogen, phosphorus, potassium and organic matters in the soil, effectively improve the ecology of the sand soil, and provide a new technology for wind erosion prevention and ecological restoration of the engineering slash in the arid region.
Absstract of: WO2025083712A1
The present invention relates to a Flash Light Internally and Externally Jacketed Super Helical Reactor including a system (100) and a method (300) for air purification, elevating oxygen levels, semi-purification of water, and fixing pollutants The system (100) includes an intake means (101) for contaminated liquid/air/gas, sensors (102,110) for measuring carbon and oxygen, UV filtration unit (103), an autoclave treatment system (104), mixing chamber (105), a water pump (106), photo system (107) with helical tubular coils (1) and LEDs, filter (108), and UV system (109) connected to each other. It also features a central heating or cooling system (111). The system (100) enhances oxygen levels, fixes CO2 for carbon credits, and provides effective treatment of waste gas and water. 15 It is user-friendly, highly efficient, and serves multiple purposes. The system (100) is suitable for any chemical reaction requiring extended residence time, microbial or yeast cultivation, and the growth of microalgae or macroalgae.
Absstract of: US2025127827A1
A probiotic formulation is provided including one or more bacteria, bacterial strains or bacterial species of the genus Veillonella, genus Faecalibacterium, genus Phascolarctobacteria, genus Oscillospira, genus Ruminococcus, genus Bacteroides, genus Blautia, family Christensenellaceae, genus Dialister, or phylum cyanobacteria.
Absstract of: US2025129325A1
The present disclosure provides high-protein microalgal biomass, a culture method and use thereof.
Absstract of: EP4541190A1
The present disclosure provides a plant disease resistance inducing agent that can effectively induce resistance to a plant disease. A plant disease resistance inducing agent according to the present disclosure contains a secretion product of a cyanobacterium.
Absstract of: CN222770826U
The photobioreactor comprises a first motor, an oxygen increasing device, a fluorescent lamp, a magnetic cleaning ring and a magnetic traction frame, the first motor is arranged on the left side of the oxygen increasing device, the oxygen increasing device is arranged on a supporting rod, a fixing sleeve is arranged on the left side of the supporting rod, a supporting pipe is arranged below the supporting rod, and the fluorescent lamp is arranged on the supporting pipe. A water inlet pipe is installed on the right side of the water pump and connected with a water outlet funnel, a sealed transparent water tank is arranged above the water outlet funnel, a water outlet pipe is arranged on the left side of the sealed transparent water tank, a magnetic traction frame is arranged on the left side of the water outlet pipe, and a third motor is installed on the magnetic traction frame. According to the equipment, the sealed transparent water tank is in sliding connection with the internal magnetic cleaning ring, the magnetic traction frame driven by the third motor is matched, cleaning operation on the interior of the sealed transparent water tank can be achieved, the trouble of manual operation is reduced, and the production efficiency is guaranteed.
Absstract of: CN222770839U
The utility model discloses a microalgae culture system utilizing photovoltaic green electricity, which comprises a photovoltaic device and a culture device, the photovoltaic device comprises a photovoltaic panel, the photovoltaic panel is obliquely arranged relative to the ground, the culture device comprises a culture reaction mechanism and an illumination mechanism, the culture reaction mechanism is provided with a culture space for accommodating microalgae culture solution, and the illumination mechanism is arranged on the culture space. The cultivation reaction mechanism is arranged on the lower side of the photovoltaic panel, the cultivation reaction mechanism is arranged in a shadow area of the photovoltaic panel, the illumination mechanism is at least used for providing illumination for the cultivation space, and the photovoltaic panel is connected with the illumination mechanism so as to provide energy for the illumination mechanism. The cultivation reaction mechanism and the illumination mechanism are arranged on the lower side of the photovoltaic panel, the cultivation space can be completely covered by the photovoltaic panel, and illumination is provided for the cultivation space through the illumination mechanism, so that the illumination mechanism can greatly prolong the growth time of microalgae; on the premise that the structure and arrangement rule of an existing photovoltaic panel are not changed and the generating capacity is not reduced, microalgae culture
Absstract of: CN119842535A
The invention discloses a paramecium enrichment-based single-cell cyanobacteria separation and purification method and application. The method comprises the following steps: putting a single-cell cyanobacteria solution into a sterile BG11 conical flask; the method comprises the following steps: adding a paramecium solution with known concentration into a sterile BG11 conical flask filled with a single-cell cyanobacteria solution to obtain a mixed solution of paramecium and single-cell cyanobacteria; placing the sterile BG11 conical flask filled with the mixed solution of paramecia and single-cell blue-green algae in a first culture environment for culture to obtain a blue-green algae and paramecia enriched solution; transferring the blue-green algae and paramecium enrichment solution to a sterilized BG11 agar plate for plate coating treatment, and inversely placing the BG11 agar plate in a second culture environment for culture until blue-green algae falling without infectious microbes is formed; and carrying out expanding culture on the bacterial-free cyanobacteria colony to obtain bacterial-free single-cell cyanobacteria. The method can greatly shorten the time of traditional isolated culture of single-cell cyanobacteria, and can prevent bacterial pollution of the external environment.
Absstract of: CN119838963A
The invention discloses a high-stability illumination system for microalgae culture, and relates to the technical field of microalgae culture. According to the columnar illumination system, an outer pipe body is arranged outside a lamp string in a sleeving mode; a tubular moving trolley is arranged in the outer pipe body, and an annular electromagnet carried by the moving trolley is used for driving an outer cleaning assembly arranged on the outer pipe body in a sleeving mode to move; the whole outer cleaning assembly is a pipe body, and an annular soft bag internally provided with iron powder is arranged on the inner wall. In the moving process of the moving trolley, an annular soft bag on the inner wall of the outer cleaning assembly deforms under the influence of magnetic force and efficiently scrapes off wall-attached microalgae in the up-down moving process; the high-stability illumination system for microalgae culture is stable and reliable, has an efficient self-cleaning function, is high in universality and can be conveniently cleaned.
Absstract of: CN119842493A
The invention relates to the technical field of dominant algal strain breeding, in particular to a high-speed-growing heteroflexus akashiwo mutant strain which is named as YYAM035, and belongs to the technical field of high-speed-growing heteroflexus akashiwo mutant strain and application of the high-speed-growing heteroflexus akashiwo mutant strain. Compared with a wild strain (WT), the mutant strain YYAM035 has the advantages that the growth performance of the mutant strain YYAM035 is superior to that of the wild strain under the same culture condition, and the content of algal toxin in cells of the mutant strain is not weakened compared with that of the wild strain, so that the mutant strain can harvest more microalgal toxin than the wild strain under the same culture cost; after stable subculture for 3 months, the growth performance of the strain is still superior to that of a wild type algal strain, and the strain has better hereditary stability, so that the mutant strain can be used as a dominant algal resource for large-scale production of algal toxin.
Absstract of: CN119842792A
The invention discloses a flocculation-controllable genetic engineering alga and a construction method and application thereof, and is characterized in that the genetic engineering alga is phaeodactylum tricornutum into which an enabling plasmid pPha-J47869-EG01992-eGFP-FSP is introduced, the FSP is directionally expressed on the outer side of a phaeodactylum tricornutum cell, and the construction method comprises the following steps: constructing an induced expression plasmid pPha-J47869-eGFP and a directional expression plasmid pPha-J47869-EG01992-eGFP; artificially synthesizing a codon-optimized FSP coding sequence, inserting the codon-optimized FSP coding sequence into the downstream of the eGFP of the directional expression vector, and constructing an enabling plasmid; finally, the enabling plasmids are electrically transformed into phaeodactylum tricornutum, an f/2 plate culture medium is coated with the phaeodactylum tricornutum for culture, positive algae strains are screened and identified, and the gene engineering algae with controllable flocculation are constructed and have the advantages that the gene engineering algae can be efficiently combined with white carbon black, and the enabling process of microalgae is efficiently coupled with the culture and collection process of the microalgae.
Absstract of: CN119837197A
The invention relates to the field of poultry feed, and particularly discloses a DHA nutrient for poultry as well as a production method and application of the DHA nutrient. The DHA nutrient for poultry is prepared from the following raw materials in parts by weight: 40 to 50 parts of microalgae ferment powder, 20 to 30 parts of plant seed ferment powder, 20 to 30 parts of puffed corn flour, 2 to 4 parts of krill meal, 2 to 4 parts of sea cucumber freeze-dried powder, 0.5 to 2 parts of krill oil, 2 to 5 parts of cotton seed oligosaccharide, 0.5 to 2 parts of DL-methionine, 0.2 to 2 parts of trace element premix, 0.02 to 0.04 part of vitamin A acetate and 0.2 to 0.4 part of vitamin D3. The DHA nutrient for poultry can be used as an additive of poultry feed, has small fishy smell, can improve the feed intake of poultry, and can effectively improve the DHA content in poultry eggs under the condition of not influencing the taste of the poultry eggs.
Absstract of: US2025122454A1
Disclosed is a photobioreactor system that reduces pollutant gases, mainly ammonia and carbon dioxide, released in poultry houses with microalgae and reduces dust and particulate matter in the internal environment of the poultry house, and also creates a brighter and more spacious environment for animals in the internal environment, while creating an insulation effect on the exterior of the poultry house by integrating into the exterior wall.
Absstract of: WO2025079065A1
A method and system produce fertilizer products by growing cyanobacteria in a photobioreactor, the cyanobacteria performing nitrogen fixation using Nitrogen from the ambient air brought into the photobioreactor. The grown cyanobacteria is harvested from the photobioreactor as biomass, which is subject to anaerobic digestion in an anaerobic digestion reactor, to produce Ammonium, which is optionally subjected to nitrification, in a nitrification bioreactor, to produce the resultant fertilizer product.
Absstract of: WO2025078336A1
The invention relates to the cosmetic use of a Tisochrysis lutea extract or of a composition comprising same, for reducing dry dandruff and/or preventing the occurrence and/or reoccurrence thereof. The invention also relates to a cosmetic care process comprising the topical application, to the dry scalp, dry eyebrows and/or dry beard, of a Tisochrysis lutea extract or of a composition comprising same, for reducing dry dandruff and/or preventing the occurrence and/or reoccurrence thereof, in particular in individuals having a dry scalp.
Absstract of: US2025122464A1
The present application relates to a novel microalgae strain with the efficacy of promoting plant growth and a use thereof. When cultured in the presence of fermentation exhaust gas, a novel Chlorella vulgaris CD02-3002 strain according to an aspect grows fast with a high efficiency of photosynthesis and thus can effectively reduce the exhaust gas generated by microbial fermentation. Having the effect of promoting plant growth when applied to plants, a culture of the strain or a supernatant of the culture can be used as a fertilizer for plants and thus can be advantageously applied as a novel carbon reduction technique.
Absstract of: CN119825627A
The invention relates to the technical field of ocean renewable energy sources and biological resources, in particular to an ocean wind power-microalgae cultivation integrated device and method.The device comprises a vertical axis fan, a microalgae cultivation buoyancy tank and a storage cargo hold; the vertical axis fan comprises a wind power driving unit and a power generation unit; the wind power driving unit is vertically driven on the power generation unit; the cargo storage cabin is arranged on the power generation unit; the power generation unit is fixed on the microalgae culture buoyancy tank through a support frame; the microalgae cultivation buoyancy tank comprises a tank body, and the conveying end of the microalgae cultivation unit is connected to the storage cargo hold through the tank body; the light source unit is distributed at the bottom of the microalgae culture unit, the vertical axis fan is combined for wind power generation, and rich wind energy resources of the ocean are effectively utilized. Meanwhile, the electricity generated by power generation is used for microalgae cultivation, and multi-stage utilization of energy is achieved.
Absstract of: CN119823874A
The invention belongs to the technical field of microorganisms, discloses a strain of streptomyces varioti with an arsenic oxidation function and application of the strain of streptomyces varioti in soil remediation, and particularly discloses a strain of streptomyces varioti B3. According to the invention, a strain of microalgae B3 with an arsenic oxidation function is obtained through separation, and the microalgae strain belongs to Desmodesmus and can oxidize As (III) under the condition of day and night alternation. And determining the arsenic form in the flooded soil solution by adopting a liquid chromatography-atomic fluorescence combination instrument. Arsenic form analysis shows that As (III) is oxidized into As (V), the concentration of As (III) and total arsenic in soil pore water is reduced, it is indicated that under the waterflooding condition, the streptozotoci variabilis B3 can effectively oxidize As (III), remove total arsenic in a soil solution and reduce the bioavailability of arsenic, and the streptozotoci variabilis B3 plays an important role in the aspect of repairing arsenic-polluted soil.
Absstract of: CN119823852A
The invention belongs to the technical field of microalgae culture, and particularly relates to a microalgae culture device which comprises a transparent culture tank and a lifting mechanism, a mounting frame is mounted at the upper end of the lifting mechanism, a culture cover is mounted at the lower end of the mounting frame, the mounting frame is connected with a gas conveying pipe in a penetrating manner, and a rotating pipe hermetically connected with the gas conveying pipe is rotatably mounted at the lower end of the mounting frame; a plurality of one-way air outlets are formed in the rotating pipe; a meshing groove is formed in the peripheral side of the rotating pipe, a first gear is rotationally connected to the upper side of the interior of the triangular frame, the light transmitting part is installed at the lower end of the installation shaft, and a light supplementing lamp is installed on the peripheral side of the transparent culture tank. Meanwhile, the light-transmitting part is driven to rotate to further refract an external light source through the light-transmitting part, so that the influence on photosynthesis due to different light source contact effects of a solution in the microalgae and a solution on the outer side is avoided.
Absstract of: CN119799497A
The invention relates to a microalgae carbon sequestration technology, and aims to provide a method for regulating and controlling a key gene to improve high-temperature resistance and stress resistance of carbon sequestration microalgae. Comprising the following steps: regulating and controlling the expression quantity of four key genes in microalgae cells by performing temperature gradient domestication on the microalgae cells; the final temperature condition of the domestication culture is 42 DEG C, so that the expression quantity of each key gene is increased to several times of the original expression quantity; and (2) carrying out transfer culture on the domesticated microalgae strain, and verifying the genetic stability of the high temperature resistance of the microalgae strain. According to the invention, the adaptability of the microalgae to high-temperature stress can be enhanced, the biomass production efficiency of the microalgae in a high-temperature environment is improved, and the method has important application value in the fields of biological energy production, environmental restoration and the like; as the microalgae can well grow in high-temperature environments such as high-temperature regions and desert arid zones, the large-scale application of the microalgae carbon sequestration technology in the recovery and treatment of the carbon dioxide in the flue gas of the power plant in the high-temperature regions can be expanded.
Absstract of: CN119791212A
The invention relates to the technical field of microalgae feed, and discloses a preparation method and application of microalgae feed, and the preparation method comprises the following steps: S1, extracting hawthorn flavone; s2, extraction of maca unsaturated fatty acid; s3, extracting beta-glucan from the oat bran; s4, extracting pinellia ternate agglutinin; s5, screening of excellent chlorella; according to the preparation method and application of the microalgae feed, the chlorella which is not reported by public literatures is screened out, substances such as pinellia ternate agglutinin extracted from pinellia ternate, beta-glucan extracted from oat bran, flavone extracted from hawthorn, unsaturated fatty acid extracted from maca and the like are combined to serve as a culture medium for culturing the chlorella, an original BG-11 culture medium is replaced, and the microalgae feed is prepared. The chlorella breeding rate is increased; the cultured composite microalgae liquid is used as a liquid feed for livestock and poultry, and compared with a common chlorella feed, the composite microalgae feed can more quickly eliminate toxins such as heavy metals in animal bodies; the weight of animals can be increased, the protein content of meat can be increased, and the fat content can be reduced.
Absstract of: JP2025061982A
To provide a microalgae growth promoter.SOLUTION: A microalgae growth promoter contains at least one compound selected from (1) oxo fatty acid or a derivative thereof or a salt thereof or (2) a hydroxylated fatty acid or a derivative thereof or a salt thereof.SELECTED DRAWING: None
Absstract of: CN119791291A
The invention belongs to the field of food, and provides an all-round nutrition fortified food and a preparation method thereof, the food comprises the following raw materials in parts by weight: 10-30 parts of protein complex, 5-12 parts of lipid composition, 30-60 parts of compound carbohydrate, 4-10 parts of dietary fiber enhancer, 0.5-5 parts of customized vitamin group, and 1-10 parts of mineral chelate. 0.1 to 2 parts of a probiotic and prebiotic compound, and 0.01 to 0.5 part of an antioxidant; through combination of novel protein sources such as microalgae protein and insect protein and high-quality lipids such as linseed oil and algae oil, a more comprehensive and balanced nutrition ratio is provided, the nutritional requirements of special crowds are particularly met, and compared with traditional food, the provided nutritional value is higher; by means of mineral substances in the form of amino acid chelate or organic acid salt and addition of probiotics and prebiotics, absorption and utilization of nutritional ingredients are promoted, and the biological value of food is improved.
Absstract of: CN119799447A
The invention discloses a photobioreactor system suitable for pollutant treatment and carbon sequestration, and relates to the technical field of pollutant treatment equipment.According to the photobioreactor system, microalgae is utilized for pollutant treatment and carbon sequestration, and a plurality of longitudinally-arranged cylindrical containers are connected in parallel; a plurality of lamp posts are arranged outside cylindrical containers, a disc-shaped scraper blade is arranged in each cylindrical container, and the disc-shaped scraper blades in all the cylindrical containers are driven by magnetic force to be tightly attached to the pipe wall and move up and down in a unified mode. In the moving process of the disc-shaped scraping plate, the effects of stirring algae liquid and dispersing gas are achieved at the same time; the technical effects that the interference of the external environment on the photobioreactor system is small, the cleaning of the adherent microalgae can be conveniently and efficiently completed, the carbon sequestration effect is good, the algae liquid stirring efficiency is high, the damage to the microalgae is small when the algae liquid is stirred, the structure is relatively simple, and the cost is relatively low are achieved.
Nº publicación: CN119793187A 11/04/2025
Applicant:
UNIV HUAZHONG SCIENCE TECH
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Absstract of: CN119793187A
The invention provides a biological method for synergistically immobilizing methane and carbon dioxide, which comprises the following steps: mixing activated sludge with microalgae, continuously introducing gas, and forming an algal-bacterial symbiont under the condition of continuous illumination; the method comprises the following steps: putting the algal-bacterial symbiont into a reactor, pumping sewage, introducing gas, and carrying out periodic operation according to a water feeding-aeration-precipitation-drainage mode; wherein the gas comprises methane and carbon dioxide, and the sewage comprises a carbon source, a nitrogen source and a phosphorus source. According to the method, the bacteria-algae particles can be obtained through culture, and the bacteria-algae particles can provide electrons for denitrification by using the soluble methane as an electron donor, so that the purposes of synchronously removing the soluble methane and denitrifying are achieved, and the denitrification process is optimized. The bacteria-algae particles can also realize fixation of methane and carbon dioxide, the sewage treatment process is optimized, and the problems that soluble methane is difficult to remove and carbon emission is high in the existing sewage treatment process are solved.
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