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191
results.
Updated on
20/08/2026 [07:47:00]
Results 25 to 50 of 191
Absstract of: CN224450647U
The utility model relates to the technical field of microalgae continuous culture, and particularly discloses an isochrysis galbana continuous culture system and a continuous culture method, the culture system comprises an upper computer and a lower computer; the upper computer is a remote monitoring and control platform based on a mobile terminal, is connected with the lower computer and is used for real-time monitoring, parameter setting and remote regulation and control; the lower computer comprises a pipeline type photo-biological reaction circulating unit, a control unit, a supplementary material adding unit and a discharged liquid collecting unit; based on the culture system, efficient, stable and low-cost continuous culture of isochrysis galbana can be realized.
Absstract of: CN122326581A
The invention discloses a method for rapidly separating and purifying Rubisco from microalgae. The method comprises the following steps: crushing microalgae, and filtering to obtain a supernatant of a crude protein extracting solution; combining supernate of the crude protein extracting solution with anion exchange magnetic beads; and separating the magnetic beads, and sequentially carrying out gradient elution by using an elution buffer solution containing 40-550mM of NaCl, so as to obtain the Rubisco of the microalgae. Experiments prove that the method for rapidly separating and purifying Rubisco can be used for separating and purifying Rubisco from the chlamydomonas reinhardtii CC-125 strain, the operation is simple, only one-step directional enrichment is needed, the time consumption is short, the whole process is less than or equal to 3 hours, and more importantly, the obtained Rubisco is relatively high in purity and extremely few in impure protein. Therefore, the method provided by the invention can quickly separate and purify Rubisco, and has important application value.
Absstract of: CN122326363A
The invention discloses a switching system for regulating and controlling the water depth of a microalgae raceway pond and a using method, and belongs to the technical field of microalgae culture.The switching system comprises the raceway pond, a lifting type overflow weir mechanism is arranged on one side of the raceway pond, and an overflow collecting tank and a liquid storage pond are arranged on the side, away from the raceway pond, of the lifting type overflow weir mechanism; a liquid discharge pipe and a reflux pump are connected between the overflow collecting tank and the liquid storage tank, the reflux pump is communicated with the liquid discharge pipe, a reflux pipe is connected to the reflux pump, and one end, far away from the reflux pump, of the reflux pipe is communicated with the raceway pond. The overflow boundary is changed by adjusting the height of the lifting type overflow weir mechanism, liquid storage and backflow are matched, water depth switching in the inoculation period, the rapid growth period, the high-density culture period and the day and night condition is achieved, the water depth is reduced in the daytime to shorten the optical path and improve the light receiving efficiency, and the water depth is increased at night to enhance the temperature stability. And low-cost transformation is realized without changing the main body structure of the existing raceway pond, and the raceway pond is suitable for large-scale culture of microalgae such as s
Absstract of: CN122326382A
The present invention relates to a method for obtaining exosome-like vesicles from microalgae. The invention provides a method for obtaining a composition comprising exosome-like vesicles or bionic exosomes from microalgae cells, said method comprising a) homogenizing microalgae cells by high pressure, and b) removing cell debris from the homogenized solution obtained in step a). The invention also relates to the composition obtained by said method and to the cosmetic and medical use thereof.
Absstract of: WO2026142465A1
The invention relates to the field of biotechnology, and more particularly to a method for cultivating marine microalgae in enclosed photobioreactors with optimized physical and chemical parameters, and to a device for carrying out said method. The proposed photobioreactor and cultivation method (in particular, the chemical composition of a medium, and the illumination and aeration) make it possible to provide optimal conditions for microalgae cultivation which allow good gains in both microalgal biomass and carotenoid mass.
Absstract of: WO2026139376A1
The present invention relates to a food composition comprising (a) microalgal biomass material, said biomass material comprising at least 5 wt% of microalgal protein by weight of dry matter of the microalgal biomass, wherein the microalgal biomass material is in the form of non-lysed single cells and/or clusters of non-lysed single cells, with a particle size (D4,3) of 2 µm to 100µm, as measured upon redispersion in an aqueous medium at a concentration of 3 wt-% of microalgal biomass material by total weight of the aqueous medium and the microalgal biomass; and (b) alginate.
Absstract of: WO2026139708A1
This invention involves a bioactive ointment for promoting diabetic wound healing which speeds up treatment process significantly. The ointment utilizes Hypnum Curvifolium bryophyte extract, Chlorella Vulgaris microalgae and fatty acids from tuna waste oil. Initially the hypnum bryophyte extract and microalgae are prepared via ultrasound. Next, the oil is extracted from the tuna waste using the Blythe-Dyre method. After separating the unsaturated fatty acids from the tuna waste oil, the hydrogel base is prepared. The proposed solution includes the step by step preparation method of the ingredients and the finalized obtained formula.
Absstract of: EP4767833A1
0001 The invention relates to a method of producing a food composition comprising microalgal biomass with reduced off-flavour, said method comprising adding at least 0.001 wt.%, calculated by weight of the food product, of an aldehyde scavenger, said aldehyde scavenger containing at least 5 wt.%, calculated by weight of the aldehyde scavenger of cysteine. The invention also relates to Food composition comprising microalgal biomass material, said material comprising at least 5 wt% of microalgal protein by weight of dry matter of the microalgal biomass, and 2-pentyl-1,3-thiazolidine-4-carboxylic acid and/or salts thereof, and optionally, water. The invention also relates to a food composition comprising microalgal biomass material, comprising at least 5 wt% of microalgal protein by weight of dry matter of the microalgal biomass; hexanal or a source of hexanal; and at least 0.001 wt.%, calculated by weight of the food product, of an aldehyde scavenger, said aldehyde scavenger containing at least 5 wt.%, calculated by weight of the aldehyde scavenger of cysteine.
Absstract of: EP4768454A1
0001 A system for reducing and utilizing carbon dioxide generated from a sewage treatment plant is disclosed. The disclosed system for reducing and utilizing carbon dioxide generated from a sewage treatment plant includes a sewage treatment plant that purifies introduced sewage in multiple stages and generates carbon dioxide during a treatment process, an algae cultivation device that cultivates and produces microalgae using the carbon dioxide generated from the sewage treatment plant and sewage treated water, and a gas capture device that captures the carbon dioxide generated from the sewage treatment plant, and a nanobubble device that receives the sewage treated water treated from the sewage treatment plant and the carbon dioxide captured from the gas capture device and supplies the sewage treated water in which the carbon dioxide is dissolved by nanobubbles to the algae cultivation device.
Absstract of: EP4768036A1
The present disclosure provides a novel antioxidant using cyanobacteria. An antioxidant of the present disclosure includes a cyanobacterial secretion.
Absstract of: EP4767836A1
0001 An object of the present invention is to provide a formulation effective for activation of hair dermal papilla cells. Provided are a composition for activation of hair dermal papilla cells, a composition for hair regrowth promotion or hair growth, a composition for hair quality improvement, and a composition for FGF-2, FGF-7 or VEGF production promotion, containing a culture supernatant and/or extracellular vesicles of a microalga.
Absstract of: GB2702934A
A method of processing microalgae comprising: adding an inert abrasive agent to a microalgae biomass; and agitating the mixture to lyse the microalgal cells. The abrasive agent may be diatomaceous earth, diatomite, celite, kieselguhr. The microalgae may have not been previously frozen. The microalgae may be of the Spirulina genus (Arthrospira platensis). The method may further comprise separating water-soluble compounds from the mixture. The mixture may be dried to form a cake and contacted with a liquid such as water to leach water-soluble components into the liquid. The liquid may comprise phycocyanin. The liquid may be water. The liquid may be filtered. The method may comprise further steps of removing bacteria, concentrating or purifying the phycocyanin, and spray-dying the phycocyanin solution. The method may comprise a further step of separating the microalgae from the abrasive agent. A preservative may be added to the microalgal contents. Also claimed are compositions comprising microalgal cellular contents. The composition may comprise phycocyanin. Also claimed are uses of the composition as a pigment, colourant, biostimulant or fertiliser. Fig. 4
Absstract of: CN122303075A
The invention discloses a spirulina culture method, relates to the technical field of microalgae biology, and aims to overcome the defects of low biomass yield and low protein content of spirulina in the prior art. Comprising the following steps: in a first culture stage, inoculating spirulina into a basic culture medium, and carrying out photoautotrophic culture under the illumination intensity of 5000-10000 lux until the optical density OD560 reaches 0.6-0.8; in the second culture stage, the illumination intensity is reduced to 1000-3000 lux, calcium alginate is added to embed sodium bicarbonate microspheres, and culture is performed until the algae cell dry weight reaches 1.5-2.0 g/L; in the third culture stage, the illumination intensity is increased to 8000-12000 lux, and anion exchange resin is added to load sodium nitrate slow-release particles. According to the method, the biomass dry weight and the protein content of the spirulina can be synergistically increased.
Absstract of: CN122303003A
The invention provides a distributed microalgae photobioreactor and a microalgae culture method.The reactor comprises an environment control cabin, the environment control cabin is at least partially pervious to light, a rotary bearing frame is arranged in the environment control cabin and connected with a rotary driving mechanism, and the rotary driving mechanism drives the environment control cabin to rotate. The rotary bearing frame bears a plurality of independent culture containers, and the independent culture containers are used for containing culture media and microalgae respectively; and the rotating mechanism drives the rotary bearing frame to rotate so as to drive the plurality of culture containers to rotate. According to the technical scheme, culture is conducted through the independent culture container, physical isolation is achieved, the sterile reliability is high, efficient mixing is achieved, energy consumption is low, the light supplementing efficiency is high, directional regulation and control can be achieved, the application range is wide, and practicability is high.
Absstract of: CN122303006A
The invention relates to an intelligent beam yard precast beam steam curing microalgae carbon sequestration device and method, and relates to the technical field of flue gas treatment. The intelligent beam field precast beam steam curing microalgae carbon sequestration device comprises a photo-biological reaction mechanism and an algae liquid treatment mechanism, the algae liquid treatment mechanism is used for treating algae liquid discharged by the photo-biological reaction mechanism, the photo-biological reaction mechanism comprises an access device, a discharge pipe and a plurality of transparent reaction pipes, the access device is used for introducing flue gas, the discharge pipe is used for discharging the flue gas, and the transparent reaction pipes are communicated with the discharge pipe. The bottom ends of the transparent reaction tubes are all communicated with the access device, the top ends of the transparent reaction tubes are all communicated with the through-out tube, microalgae are arranged in each transparent reaction tube, and the through-out tube is used for introducing the reacted algae liquid into the algae liquid treatment mechanism. The method has the effect of improving the stability of the microalgae culture environment.
Absstract of: CN122278582A
The invention discloses a series photobioreactor system and method for two-stage culture of microalgae, and relates to the technical field of microorganisms, the system comprises a high-density culture unit, a photoinduction culture unit, an aeration unit and an illumination unit; the high-density culture unit comprises a fermentation tank; the light-induced culture unit comprises a column type photobioreactor; the fermentation tank is communicated with the top of the column type photobioreactor through an algae conveying pipeline; the illumination unit is arranged on the outer sides of the fermentation tank and the column type photobioreactor and is used for providing illumination for the fermentation tank and the column type photobioreactor. By connecting the high-density culture unit and the light-induced culture unit in series, high-density biomass of microalgae is quickly accumulated in a mixotrophic/heterotrophic mode, and then the content of products such as protein and the like is remarkably increased through light-induced culture after dilution, so that the technical effects of convenience in operation, short culture period and low economic cost are achieved; the technical requirements of microalgae two-stage culture are perfectly met.
Absstract of: CN122277344A
The invention relates to the technical field of biological fertilizers, and particularly discloses a microalgae biological fertilizer with a soil remediation function and a preparation method thereof. The preparation method comprises the following steps: carrying out domestication culture on scenedesmus obliquus liquid, blue fiber algae liquid and small monofidus algae liquid through gamma-aminobutyric acid induction activation liquid, and mixing with paenibacillus polymyxa and bacillus megatherium for co-culture to obtain biological slurry; embedding the biological slurry with sodium alginate-carboxymethyl chitosan, so as to prepare a bioactive microsphere; the preparation method comprises the following steps: impregnating corn straws with a magnesium iron salt precursor, carrying out nitrogen pyrolysis to prepare modified charcoal loaded with magnesium oxide and ferroferric oxide, and compounding with potassium humate to prepare a charcoal suspension; and uniformly mixing the bioactive microspheres and the charcoal suspension with xanthan gum, welan gum, ammonium polyphosphate, potassium nitrate, zinc sulfate, potassium silicate and deionized water to prepare the microalgae biological fertilizer with the soil remediation function.
Absstract of: CN122278591A
The invention discloses a topological aeration system for a large-scale microalgae photobioreactor, and belongs to the field of microalgae culture equipment. The system comprises a gas source, a gas distribution network and a plurality of aerators. And the gas distribution network adopts a multi-stage topological structure, and the gas of the gas source is graded and uniformly conveyed to the aerators. And the aperture of aeration holes of the aerator is 0.5 mm, and the distance between the aeration holes is 1.5 mm. Through collaborative design of macroscopic topology network layout and microcosmic aerator structure parameters, the problems of non-uniform gas distribution and low mass transfer efficiency in the prior art are solved, uniform bubbles can be formed in a large-scale reactor, the gas-liquid contact area and the mass transfer efficiency are greatly improved, and the method is suitable for large-scale culture of microalgae.
Absstract of: CN224411734U
The utility model belongs to the technical field of microalgae fermentation tanks, and particularly relates to a novel microalgae fermentation tank which comprises a base, a tank body and a top cover, the tank body is mounted at the top of the base, the top cover is connected to the top of the tank body, and an illumination adjusting mechanism is arranged on the surface of the tank body; the illumination adjusting mechanism comprises a top ring, a bottom rail, a circle, sliding grooves, a shielding plate, a connecting piece, a sliding column and a pull rod, the top ring is fixedly connected to the bottom of the top cover, the bottom rail is fixedly connected to the top of the base, the circle is rotationally connected into the bottom rail, and the sliding grooves are all formed in the top of the circle; the tops of the multiple shielding plates are connected to the bottom of the top ring through rotating shafts, and the multiple connecting pieces are fixedly connected to the bottoms of the multiple shielding plates correspondingly. According to the novel microalgae fermentation tank provided by the utility model, the light of the fermentation tank can be shielded and adjusted, and the most suitable growth environment can be provided for different types of microalgae.
Absstract of: CN224411771U
The utility model relates to the technical field of microalgae cultivation, and discloses a microalgae outdoor cultivation integrated device which comprises a support composed of four stand columns, the top end of the support is movably provided with a self-contraction sunshade mechanism, the self-contraction sunshade mechanism comprises a self-contraction sunshade net, and the self-contraction sunshade net is provided with a self-contraction sunshade net. A driving assembly for driving the self-contraction sunshade net to contract is mounted on the bracket, and the color-adjustable acrylic plate is mounted on the bracket and positioned below the self-contraction sunshade net. Through the design that the self-contraction sunshade mechanism is matched with the color-changeable acrylic plate, the self-contraction sunshade mechanism can automatically adjust the unfolding range of the self-contraction sunshade net according to the real-time illumination intensity, and the acrylic plate can display different colors in the green cell stage and the red blood cell stress stage and is in linkage control with the self-contraction sunshade net; the spectrum is accurately regulated and controlled, the hysteresis problem of manual operation is solved, and the core purposes of increasing the biomass yield, increasing the astaxanthin accumulation speed and reducing the energy consumption are achieved.
Absstract of: CN122272533A
The invention belongs to the technical field of microorganisms, and particularly discloses a probiotic microcapsule, a preparation method thereof and application of the probiotic microcapsule in preparation of products for preventing and treating calf diarrhea. Aiming at digestive physiology and diarrhea pathogenesis of calves, chlorella pyrenoidosa CV-5 and polysaccharide thereof and different probiotics are respectively prepared into A-type microcapsules and B-type microcapsules which are released in a targeted manner at different segments of a digestive tract, then the microcapsules are mixed and coated with coatings, and the probiotics microcapsules are prepared. Through combination of microalgae and strains and formula design, the prepared probiotic microcapsule not only has good acid resistance and excellent small intestine epithelial barrier repair function, but also can deliver probiotics in a stomach-intestine partition targeting manner, can effectively inhibit proliferation of pathogenic bacteria, and can better exert the effect of preventing and treating calf diarrhea.
Absstract of: CN122276992A
The invention discloses a method for synergistically treating antibiotics in aquaculture wastewater by microalgae and bacteria, and belongs to the technical field of biological treatment of aquaculture wastewater. Chlorella microalgae and tetracycline degradation dominant flora obtained by tetracycline concentration gradient domestication and screening from activated sludge of an aquaculture farm are subjected to co-treatment; and co-inoculating the phycomycetes into a sequencing batch photobioreactor according to a phycomycetes cell number ratio of (3-8): 1, and driving self-assembly to form the phycomycetes symbiotic granular sludge through alternate operation of light and dark and selective pressure for gradually shortening settling time. Under the condition of no additional carbon source, the synchronous and efficient removal of tetracycline antibiotics, ammonia nitrogen and total phosphorus in the breeding wastewater is realized by utilizing the O2/CO2/DOC closed cycle of phycomycete syntrophy in the particles. Under optimal conditions, the tetracycline removal rate reaches 92%, the ammonia nitrogen removal rate reaches 97%, the total phosphorus removal rate reaches 88%, the protein content of the harvested biomass is not lower than 44%, the biomass can be used as a feed protein raw material, and the dual benefits of wastewater treatment and recycling are achieved.
Absstract of: CN224411555U
The utility model discloses a self-balancing liquid circulation microalgae purification device, and belongs to the technical field of microalgae purification devices. The self-balancing liquid circulation microalgae purification device comprises a purification box and a water pump, a plurality of groups of breeding cylinders are fixedly connected in the purification box, and a heating part is fixedly connected to the side wall of the purification box; exchange holes are formed in the breeding cylinder, and the multiple sets of exchange holes are evenly distributed in the breeding cylinder; a water supply pipe is fixedly connected to the water outlet end of the water pump and is communicated with the purification box; a turbulent flow pipe is fixedly connected to the purification box, and the air outlet end of the turbulent flow pipe faces the heating part; water flow impacts the impeller disc to drive the rotating rod and the cam to rotate, the driving rod is extruded to enable the sliding plug to discharge gas in the driving cylinder, the gas is blown into the purifying box through the turbulent flow pipe to disturb waste water, hot water around the heating part is stirred and mixed with waste water which is not fully heated, the problem of uneven heating is solved, and the waste water is fully heated; the growth of the microalgae and the absorption of nitrogen phosphide in the wastewater are facilitated, and the purification effect is improved.
Absstract of: CN122278608A
The invention discloses a microalgae cell farm control system and method and a computer readable storage medium. The system comprises a framework; the photovoltaic energy supply module comprises a solar cell panel, the solar cell panel is made of a semitransparent material, is arranged on the periphery of the frame and serves as a top cover and a side cover, the solar cell panel is connected with an energy storage unit, and the energy storage unit is located in the frame and used for storing electric energy; the photobioreactor unit is arranged in the frame, the photobioreactor unit comprises a reactor main body, and the reactor main body is used for culturing microalgae. The reactor has the beneficial effects that the multiple solar cell panels made of semitransparent materials are arranged on the periphery of the frame, the reactor body is arranged in the frame, the light supplementing unit is arranged on one side of the reactor body, and the light supplementing unit irradiates the reactor body through electric energy generated by the solar cell panels, so that missing spectrums are complemented; light conditions required by the growth of the microalgae are provided, so that the utilization rate of light energy is increased, and the productivity of the microalgae is improved.
Nº publicación: CN122278817A 26/06/2026
Applicant:
QINGDAO INST BIOENERGY & BIOPROCESS TECHNOLOGY CAS
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Absstract of: CN122278817A
The invention relates to a cyanobacteria culture method for preventing protozoa, which comprises the following steps: culturing cyanobacteria to a logarithmic phase to obtain a first microalgae culture; embedding the first microalgae culture into the polymer to obtain microalgae gel beads; inoculating the microalgae gel beads into a liquid culture medium for production and culture to obtain a second microalgae culture; and when the second microalgae culture is polluted by protozoa, separating microalgae gel beads from the second culture, and inoculating the microalgae gel beads into a liquid culture medium for production and culture. The present invention controls biological contamination by embedding microalgae using sodium alginate, and the method also provides significant technological operation advantages. Under static conditions, the rapid sedimentation of microalgae beads greatly simplifies biomass harvesting and eliminates a high energy consumption centrifugation step generally required for free cyanobacteria cells. The physical protection platform provides a scalable and environmentally sustainable solution for microbial contamination challenges continuously existing in large-scale cyanobacteria biofuel production.
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