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172
results.
Updated on
07/06/2025 [07:36:00]
Results 25 to 50 of 172
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: 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: 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: 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: 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: WO2025073754A1
In a first aspect, the present invention relates to a composition of isolated microorganisms, wherein said microorganisms are in the form of viable microorganisms of at least the following genera: Microcoleus, Nostoc, Scytonema, Klebsormidium. This means that the mixture comprises at least cyanobacteria and a microalgae, preferably as a mixture with another microalgae. In a further aspect, the invention relates to a method for improving soils, comprising applying the composition of isolated microorganisms according to the invention to the soil. In particular, the invention relates to a method for improving the soil crust. Lastly, the present invention relates to the use of the composition of isolated microorganisms according to the invention for the improvement of soils, in particular for the (re)formation and improvement of soil crusts.
Absstract of: US2025115501A1
The present invention is related to the fields of bioplastics. In particular, a strain of photosynthetic cyanobacteria (i.e. blue-green algae) having a high growth rate was engineered to overexpress limonene synthase. These engineered cyanobacteria improve auto-sedimentation for biomass harvest and provide for plastic bioremediation capture. Further, machine-learning methods are provided for improving some of the aspects of cultivating cyanobacteria including, but not limited to, assessing real-time light availability and predicting real-time algae growth rates to increase a cyanobacteria biomass.
Absstract of: US2025115835A1
A bioproduct manufacturing system is disclosed. The system comprises a hollow-fiber primary membrane gas absorber comprising a shell side and a lumen, wherein the primary membrane gas absorber is configured to receive a carbonate salt-based solvent on the shell side and a gas mixture comprising oxygen, nitrogen, and carbon dioxide in the lumen, at least one runway algal cassette reactor-photobioreactor, and a growth medium circulating between the primary membrane gas absorber and the at least one runway algal cassette reactor-photobioreactor. The at least one runway algal cassette reactor-photobioreactor comprises at least one growth chamber coupled to and in fluid communication with a headspace channel so as to define an interior volume, a first condenser coupled to and in fluid communication with the headspace channel, and a harvest line in fluid communication with the at least one growth chamber and coupled to a filter.
Absstract of: EP4534667A1
The present disclosure provides a modified promoter with which the amount of expression of a protein-coding gene can be controlled with flexibility. The modified promoter according to the present disclosure is a modified promoter including a base sequence (SEQ ID NO: 1) located upstream of a start codon of a slr1841 gene, the base sequence consisting of 348 bases, or a base sequence having 80% or more homology with the base sequence represented by SEQ ID NO: 1, the base sequence being modified by at least one selected from the group consisting of (i) replacement of one or more bases included in the base sequence with another base, (ii) deletion of one or more bases included in the base sequence, and (iii) insertion of one or more bases into the base sequence.
Absstract of: WO2023233305A1
The present invention discloses a process mode of microalgal cultivation in semi- continuous on wine wastewater with no need to recirculate the microalgal biomass in the reactor, without dilution and sterilisation of the effluent applied as a growth medium. The process was experimentally carried out by semi-continuously applying, without recirculation of the biomass, the cultivation of Chlorella vulgaris on the digestate from the anaerobic co-digestion of winemaking lees and waste activated sludge. The integrated anaerobic digestion-microalgae treatment process is advantageous from a circular economy perspective as it leads to the exploitation of grape processing chain waste, eliminating the economic burden on producers and involving: i) the phyto-depuration of the effluent, ii) the production of bio- methane and iii) the production of biomass containing high value-added by-products (lipids, proteins and starch) that can be used to produce biodiesel, animal feed, nutraceuticals/pharmaceuticals and for producing bioplastics.
Absstract of: AU2023279503A1
There are closed systems of growing microalgae but as they are not able to produce algal biomass economically they are very few and far between and are only used to grow microalgae for very expensive produce. These closed systems also require large space. The result of the lack of economic closed systems is why almost all algal biomass production currently uses raceway ponds. This invention integrates a new compact, very economic and highly productive closed system of growing microalgae including good parameter control with carbon sequestration from say a coal fired power plant or organic waste management in a way that makes the whole process financially attractive and cyclic and if desired it could be made carbon negative. The compact nature of this invention allows algal farms to be sited next to most sources of carbon dioxide.
Absstract of: EP4534644A1
The present invention relates to a method for producing a microalgae concentrate with low viscosity, the method comprising a step of adjusting the pH of a microalgae fermentation broth and a heat treatment step, in which utility costs and investment costs can be reduced in a dehydration and drying step to secure price competitiveness for production and commercialization of dried microalgae products.
Absstract of: WO2025070726A1
The purpose of the present invention is to provide a preparation that is effective for maintaining or increasing a hair fibrous structural protein. Provided are a composition for maintaining or increasing a fibrous structural protein, a composition for maintaining or increasing skin elasticity, a composition for improving hair quality, and a composition for promoting the production of collagen, elastin, or hyaluronic acid, wherein each of the compositions contains a culture supernatant of microalgae and/or extracellular vesicles of microalgae.
Absstract of: US2025109414A1
Apparatus 101 for producing a continuous stream of biohydrogen includes a continuous flow stirred tank reactor (CSTR) 12, lighting arrangement 13; ports 14; peristaltic pumps 16; and gas chromatograph (GC) 18. The CSTR 12 includes internal bioreactor chamber 20; a photosynthesizing microorganism inlet stream 22.1 for delivering Chlorella vulgaris; an organic waste inlet stream 22.2 for delivering wastewater activated sludge (WWAS); and a nutrient inlet stream 22.3 for delivering nutrients into the chamber 20; an outlet stream 24; and stirrers for stirring the contents of the chamber. The lighting 13 is provided by lamps 26 for transmitting light through a transparent sidewall of the chamber 20. The ports 14 and CG 18 are for taking measurements from the chamber 20. The pumps 16 control flowrate of the streams 22.1, 22.2, 22.3 and 24 for regulating biohydrogen production from fermentation while Chlorella vulgaris consumes oxygen to avoid biohydrogen conversion into methane.
Absstract of: US2025108080A1
Provided are compositions containing extracellular vesicles (MEVs) produced in and isolated from genetically-engineered microalgae, which encode cargo, such as nucleic acids and polypeptides. The MEVs are endogenously loaded by the microalgae with the cargo. The MEVs have a variety of applications as a delivery system for therapeutics, including vaccines, anti-cancer therapeutics, diagnostics, and other such uses. The fate of MEVs upon administration depends upon the route of administration.
Absstract of: AU2023350703A1
The present invention relates to a method for harvesting microalgae, the method comprising (i) mixing one or more monomers, a photoinitiator, water and a deoxygenation system to form a mixture; (ii) exposing the mixture to UV light so as to form an aqueous solution of one or more polymers; (iii) introducing the aqueous solution of one or more polymers to a suspension comprising microalgae in an amount sufficient to produce flocculated microalgae; and (iv) harvesting the flocculated microalgae. The present invention also relates to a method for preparing and selecting a polymeric flocculant for use in harvesting microalgae and a related apparatus.
Absstract of: CN119709361A
The invention discloses a closed microalgae culture treatment device for pollutant treatment and carbon sequestration, and relates to the technical field of pollutant treatment.The closed microalgae culture treatment device is characterized in that a closed pipeline culture device in the prior art is modified, and adherent microalgae are cleaned by arranging a cylindrical sliding block in a tubular culture treatment unit; a plurality of annular air bags with adjustable expansion and contraction are arranged on the side wall of the cylindrical sliding block; an independent pipe body is arranged to be responsible for conveying a culture solution into the tubular culture treatment unit and outputting the culture solution from the tubular culture treatment unit; a channel for a culture solution to flow is formed in the cylindrical sliding block, and the culture solution is efficiently stirred in the moving process of the cylindrical sliding block; the closed microalgae culture treatment device for pollutant treatment and carbon sequestration has the technical effects that the cleaning strength of the closed microalgae culture treatment device for the pollutant treatment and the carbon sequestration is adjustable, the cleaning effect is stable, the microalgae culture solution is not easy to pollute during transfer, and the stirring efficiency of the microalgae solution is high.
Absstract of: CN119709413A
The invention discloses a culture medium for realizing large-scale and low-cost growth of microalgae. The culture medium comprises the following raw materials: 0.25-2.5 g/L of water-soluble fertilizer; 25 to 150 mg/L of magnesium sulfate; 10 to 100 mg/L of calcium chloride; 0-80 mg/L of sodium carbonate; and trace elements. According to the culture medium, the production cost of microalgae is reduced, the stability of a formula is improved, and large-scale production in the microalgae industry can be realized, so that the biomass of various microalgae and the accumulation of bioactive substances are improved. Compared with traditional formulas such as BG11, BBM and HUT, the culture cost of the culture medium for producing 1 ton of algae powder is reduced by 30%-60% through accounting. The culture medium provided by the invention has the advantages that the growth speed of the microalgae is increased, the capability of promoting bioactive substances (grease, protein, astaxanthin and polysaccharide) synthesized by the microalgae is improved, and the culture cycle of the microalgae is shortened by 10-35%.
Absstract of: CN119709412A
The invention discloses an EMS-ARTP compound mutation chlorella pyrenoidosa mutant strain and an application thereof. The preparation method comprises the following steps: mutagenizing a chlorella pyrenoidosa mutant strain CX41 by adopting an ethyl methanesulfonate (EMS) and normal-pressure and room-temperature plasma (ARTP) composite technology, screening and verifying to obtain a golden yellow chlorella pyrenoidosa mutant strain, naming the golden yellow chlorella pyrenoidosa mutant strain as chlorella pyrenoidosa Y11, and screening and verifying the golden yellow chlorella pyrenoidosa Y11 to obtain the chlorella pyrenoidosa Y11. The strain is preserved in Guangdong Microbial Culture Collection Center (GDMCC) on the fifth floor of the building 59, No. 100 courtyard, Xianlie Middle Road, Guangzhou on October 23, 2024, and the preservation number is GDMCC No: 65324. The chlorella pyrenoidosa mutant strain Y11 has the characteristics of high yield of protein and rich carotenoids, and can be used for fermentation production of microalgae protein and carotenoids.
Absstract of: CN119709617A
The invention provides an application of a Synecocus elongatus PCC 7942, and relates to the technical field of biomedicine, in particular to an application of the Synecocus elongatus PCC 7942. According to the present invention, the Synchrococcus elongatus PCC 7942 belongs to cyanobacteria, and the research results of the inventor show that the strain has functions of I-type macrophage differentiation promotion, fibroblast activation inhibition and PD-L1 expression inhibition, can remodel the tumor microenvironment immunosuppression state, has good safety, and has good application prospects in tumor treatment. The invention also provides a method for inducing the Synecocus elongatus PCC 7942 to kill cancer cells, the method is simple and efficient, and the killing ability of the strain on cancer cells can be obviously improved only by performing ultrasonic treatment on the strain.
Absstract of: CN119709367A
The invention provides an algae-light complementary microalgae culture system, which comprises a photovoltaic cell module, the photovoltaic cell module comprises an electric sunshade net, a storage battery and a plurality of groups of solar photovoltaic panels, and the electric sunshade net and the plurality of groups of solar photovoltaic panels are electrically connected with the storage battery; the sewage storage and transportation module is located under the electric sunshade net and electrically connected with the storage battery, and the sewage storage and transportation module is used for sewage storage, sterilization and temperature control; the microalgae culture module is located under the electric sunshade net and connected with the sewage storage and transportation module, and the microalgae culture module is used for culturing target microalgae; the remote control module is electrically connected with the electric sunshade net, the sewage storage and transportation module and the microalgae culture module. The problems that a photovoltaic power generation technology mentioned in the background technology is low in space utilization efficiency, and smoke CO2 and waste water generated by a biomass power plant are difficult to treat are solved.
Absstract of: CN119709415A
The invention provides a culture method of seawater microalgae. The culture method comprises the following steps: sequentially carrying out first-step culture, second-step culture, third-step culture and fourth-step culture on algae species of the seawater microalgae to obtain the seawater microalgae, 4, culturing in an outdoor pipeline-type photobioreactor, and carrying out shading treatment on the pipeline-type photobioreactor until the shading area is greater than or equal to 65%; wherein the light intensity of the shading part is 0-200 mu mol photon.m <-2 >. S <-1 >, and the light intensity of the non-shading part is 0-2000 photon.m <-2 >. S <-1 >. According to the method, the seawater microalgae can grow in a better state through a culture method of expanding a culture system step by step and finally utilizing a sealed pipeline type photobioreactor to perform fourth-step culture, and the illumination intensity at the culture stage is adjusted, so that the culture efficiency and the yield of the seawater microalgae are improved, and the yield of fucoxanthin is improved.
Absstract of: CN119709359A
The invention discloses an agricultural microalgae fertilizer in-situ manufacturing and applying device and method, and belongs to the field of microbial fertilizer manufacturing, the device comprises a first box body, the first box body is filled with a culture solution and microalgae, the first box body is communicated with a supplement pipe, the side wall of the first box body is provided with a plurality of overflow small holes, and the overflow small holes are communicated with the supplement pipe; the supplementing pipe can supplement a culture solution into the first box body, the supplementing pipe injects the culture solution into the first box body, and when the liquid level of the culture solution reaches the overflow small hole, the culture solution containing microalgae flows out to the soil, and when injection of the culture solution into the first box body is stopped, the microalgae remaining in the first box body continues to grow; the device is easy and convenient to operate, efficient preparation and application of the microalgae fertilizer can be achieved on the premise that the activity of microalgae cells is not damaged, the manufacturing and transportation cost of the microalgae fertilizer can be greatly reduced, the utilization efficiency of the fertilizer can be improved, and healthy growth of crops can be promoted.
Absstract of: CN119709410A
The invention relates to a desert algae sand burying preservation method. The desert microalgae are inoculated into the sandy soil culture medium obtained by mixing the algae culture medium and the sandy soil, so that desert algae cells are preserved in the culture medium close to the original living environment, the preservation time of the desert algae cells can be effectively prolonged, the survival rate can be increased, and long-term stable preservation of the desert algae cells with specific forms and physiological characteristics can be ensured. The method is simple and rapid to operate, low in application cost and capable of keeping the original hereditary characteristics of algae species for a long time and improving the preservation effect.
Nº publicación: CN119731197A 28/03/2025
Applicant:
COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
UNIV JOSEPH FOURIER GRENOBLE 1
CENTRE NATIONAL DE LA RECHERCHE SCIENT
INSTITUT NATIONAL DE LA RECH AGRONOMIQUE INRA
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Absstract of: CN119731197A
The present invention relates to engineered single-cell native algae bacteria microalgae comprising a loss of homologous Seipin gene function, an in vitro process for the production of triacylglycerol (TAG), and uses thereof.
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