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167
results.
Updated on
07/07/2025 [14:50:00]
Results 50 to 75 of 167
Absstract of: CN119899054A
The invention belongs to the technical field of agricultural biology and the technical field of compound fertilizers, and discloses an active cyanobacteria dry land fertilizer and a preparation method and application thereof.The method comprises the following steps that cyanobacteria is cultured and harvested to obtain cyanobacteria concentrated pulp, then the cyanobacteria concentrated pulp is rinsed with a drying protective agent, and the active cyanobacteria dry land fertilizer is obtained; preferably, symbiotic rhizobium is added into the cyanobacteria concentrated slurry, and the cyanobacteria concentrated slurry is mixed with a matrix material to obtain a cyanobacteria embedding material; then drying and crushing the cyanobacteria concentrated slurry or the cyanobacteria embedding material to obtain cyanobacteria dry powder; and adding the cyanobacteria dry powder into a plant fertilizer or an edible fungus fertilizer or water or a soil improvement product to obtain the active cyanobacteria dry land fertilizer. Based on adsorption and embedding of plant growth promoting substances contained in cyanobacteria by the drying protective agent, the active cyanobacteria dry land fertilizer has the advantages of being resistant to storage and transportation, capable of remarkably promoting plant growth, suitable for various field environments, capable of improving soil and increasing fertility and the like.
Absstract of: CN119874042A
The invention belongs to the technical field of domestic sewage treatment, and particularly relates to a photobiological circulating fixed bed reaction system and method for purifying urine based on microalgae, and the photobiological circulating fixed bed reaction system comprises a circulating fixed bed reactor, a lighting system, an aeration system and a liquid driving system, the photo-biological circulating fixed bed reaction system consists of a circulating fixed bed reactor, a lighting system, an aeration system and a liquid driving system; clinoptilolite is used as a filler of the fixed bed area, the concentration of ammonia nitrogen in the urine can be greatly reduced in the cyclic adsorption process, so that a favorable environment is provided for growth of microalgae, the concentration of the ammonia nitrogen in the treated urine is reduced to a quite low level, and under the action of concentration gradient pressure, the concentration of the ammonia nitrogen in the urine is reduced to a quite high level. The clinoptilolite filler loaded with ammonia nitrogen can desorb ammonia nitrogen into urine, a nitrogen source is provided for growth of microalgae, and meanwhile regeneration of the clinoptilolite filler is achieved in the process.
Absstract of: CN119874043A
The invention relates to the technical field of constructed wetlands, in particular to a natural reoxygenation enhanced nitrogen and phosphorus removal cascade constructed wetland system. The system is provided with a first-stage constructed wetland, a second-stage ecological pond and a third-stage constructed wetland which are sequentially connected in a falling manner, wetland plants are planted in the first-stage constructed wetland and the third-stage constructed wetland; ecological pond plants are planted in the second-stage ecological pond through floating rafts, non-woven fabric is arranged below the floating rafts, and microalgae are enriched on the non-woven fabric; a mixed matrix of volcanic rock, zeolite and magnesite is arranged in the first-stage constructed wetland, a mixed matrix of volcanic rock and zeolite is arranged in the third-stage constructed wetland, and the effluent part of the second-stage ecological pond flows back to the front end of the first-stage constructed wetland. By means of a series of treatment modes, removal of nitrogen and phosphorus is enhanced, the removal rates of ammonia nitrogen, nitrate nitrogen, total nitrogen, COD and total phosphorus can reach 98.8%, 99.2%, 99.0%, 93.52% and 94.0% respectively, and the method has wide application prospects.
Absstract of: CN119875900A
The invention discloses acinetobacter with algal inhibition capability and application thereof, and relates to the technical field of microorganism and environmental organic pollutant repair and governance, the acinetobacter with algal inhibition capability is preserved in Guangdong Microbial Culture Collection Center, and the preservation number is GDMCC NO.65654. The acinetobacter with algal inhibition capability is preserved in Guangdong Microbial Culture Collection Center; the 16SrDNA nucleotide sequence of the acinetobacter is shown as SEQ ID NO: 7, and the acinetobacter is applied to treatment of cyanobacterial bloom. The method comprises the following steps: extracting an extracellular culture of cylindrotheca, culturing on a beef extract peptone solid culture medium, extracting a single colony from a culture product, preserving, inoculating into a beef extract peptone liquid culture medium, continuously culturing, and carrying out PCR (Polymerase Chain Reaction) amplification on bacteria separated from the culture product by adopting a specific primer pair. The obtained amplification product is subjected to sequencing and contrastive analysis, bacteria are identified to be the acinetobacter with the algae inhibition capacity, the growth of blue-green algae can be effectively inhibited, and the method has the advantages of being environmentally friendly, low in cost and remarkable in algae control effect.
Absstract of: CN119875841A
The invention relates to a microalgae culture method, which comprises the following steps: carrying out first culture on a first microalgae species, and separating the cultured material to obtain a first culture clear liquid; a second microalgae species and the first culture clear liquid are mixed, second culture and third culture are sequentially carried out, and the third culture is carried out in the presence of a grease inducer. According to the method disclosed by the invention, the grease content of a microalgae product can be remarkably improved on the premise of not influencing the microalgae biomass accumulation level, and the utilization value of microalgae biomass is improved.
Absstract of: CN119875986A
The invention discloses a technology for degrading phenol and sequestering carbon by microalgae, and aims to provide a method for improving key enzyme to promote euglena to degrade phenol and enhance carbon sequestration. Comprising the following steps: performing phenol concentration gradient domestication on euglena cells, and adjusting gene expression quantities of three key enzymes, namely H < + > transport ATP enzyme, pyruvate decarboxylase and isocitrate dehydrogenase in the euglena cells; carrying out enlarged culture growth on the euglena domesticated plant, adding a proper amount of phenol into a culture medium, and continuously introducing gas containing CO2; in the culture process, the carbon sequestration rate of the euglena is calculated by measuring the carbon element content in the biomass of the euglena liquid; and after the culture is finished, measuring the content of euglena polysaccharide in the algae liquid in unit volume, and measuring the content of phenol in the algae liquid to calculate the degradation rate of phenol. According to the method, the euglena cells are domesticated by adopting phenol concentration gradient, the expression quantity of key enzyme genes is increased by several times, the phenol degradation capacity of the euglena cells is enhanced, the carbon sequestration rate of the euglena cells is increased, and the content of polysaccharide in the cells can be increased at the same time.
Absstract of: CN119875842A
The invention discloses a strain of polysaccharide-producing Trichothrix sp. And application of the polysaccharide-producing Trichothrix sp. ZSL-NS5 in high nitrogen and phosphorus wastewater treatment. The strain named as the Trichothrix sp. ZSL-NS5 is preserved in the China Center for Type Culture Collection on November 7, 2024, and the preservation number is CCTCC NO.M 20242470. The invention further discloses a preparation method of the polysaccharide-producing Trichothrix sp. ZSL-NS5. The application of the polysaccharide-producing Trichothrix sp. ZSL-NS5 in the high nitrogen and phosphorus wastewater treatment of the polysaccharide-producing Trichothrix sp. The algal strain is separated from wastewater of an aerobic pond of a dairy farm, has relatively strong wastewater tolerance and pollutant purification capacity, and has a total phosphorus removal rate of more than 95%, an ammonia nitrogen removal rate of nearly 100%, a TN removal rate of more than 85% and a COD removal rate of more than 70%. Besides, the talsalonema has the capability of producing microalgae EPS and polysaccharide, the polysaccharide content of the talsalonema reaches 63%, the yield of the talsalonema is obviously higher than that of common microalgae, and the talsalonema has the application value of preparing chemical raw materials and drugs.
Absstract of: CN119875879A
The invention provides brevibacillus laterosporus GBW-M0 and an application of the brevibacillus laterosporus GBW-M0 in aquaculture. The brevibacillus laterosporus GBW-M0 is classified and named as brevibacillus laterosporus, and the preservation number of the brevibacillus laterosporus GBW-M0 is CGMCC (China General Microbiological Culture Collection Center) No. 32335. The brevibacillus laterosporus GBW-M0 is subjected to seed solution preparation and immersion fermentation, and brevibacillus laterosporus GBW-M0 fermentation liquor is prepared. The brevibacillus laterosporus GBW-M0 fermentation liquor can reduce the concentration of enterocytozoon hepatopenaeus carried in the bodies of penaeus vannamei, is further used for preventing and controlling microsporidiosis of aquaculture animals, and can also inhibit the growth of microcystis aeruginosa, so that the brevibacillus laterosporus GBW-M0 fermentation liquor is used for treating cyanobacterial bloom in aquaculture water, and the success rate of aquaculture is improved.
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: US2025129325A1
The present disclosure provides high-protein microalgal biomass, a culture method and use thereof.
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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.
Nº publicación: CN119823874A 15/04/2025
Applicant:
UNIV SOUTH CHINA NORMAL
INST OF ECO ENVIRONMENT AND SOIL SCIENCES GUANGDONG ACADEMY OF SCIENCES
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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.
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