Resumen de: CN122326463A
The invention relates to the technical field of microorganisms and application thereof, and particularly provides adherent electroactive microalgae with a salt stress response characteristic, a biological preparation and application, the microalgae provided by the invention belongs to cyanobacteria, is Desertibacterium salkaline.UJS-X-1, and has the preservation number of CGMCC No. 46959. The invention further provides a preparation method of the biological preparation. The algal strain can grow on the surface of a solid or semi-solid substrate in a wall-attached mode to form a biological membrane, shows stable extracellular electron transfer capacity and has good salt and alkali tolerance, and the electroactivity and salinity of the algal strain have a dosage effect. The saline-alkali soil conditioner can significantly reduce the salinity and pH of saline-alkali soil, can promote the growth of rice under saline-alkali stress, improves the biomass and chlorophyll content of the rice, and reduces the malondialdehyde content. The algal strain provided by the invention can be used for preparing a biological agent for saline-alkali soil remediation, constructing microalgae vegetation, serving as a salinity-responsive biological indicator, serving as an anode material of a biological battery and serving as a saline-alkali soil crop bio-fertilizer, and has a wide application prospect.
Resumen de: 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.
Resumen de: CN122321623A
The invention relates to the technical field of gas treatment, and particularly discloses an indoor carbon dioxide capturing and converting system and a control method. The filtering module is arranged at the downstream of a gas path of the gas driving unit; the carbon dioxide adsorption microreactor is communicated with the downstream of a gas path of the filtering module and is filled with a carbon dioxide adsorbent, and a heating assembly is arranged at the bottom; the vacuum pumping unit is communicated with a gas desorption outlet of the carbon dioxide adsorption microreactor; the gas path switching module is arranged at the downstream of the exhaust end of the carbon dioxide adsorption microreactor and is provided with a plurality of exhaust branches respectively leading to the indoor space, leading to an ammonia gas absorption column filled with an absorption material and leading to the microalgae culture device. The integrated effect of carbon dioxide capture, desorption regeneration, quantitative supply, biotransformation and safety interlocking control is achieved.
Resumen de: 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
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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
Resumen de: 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.
Resumen de: EP4768036A1
The present disclosure provides a novel antioxidant using cyanobacteria. An antioxidant of the present disclosure includes a cyanobacterial secretion.
Nº publicación: EP4767836A1 01/07/2026
Solicitante:
ROHTO PHARMA [JP]
Rohto Pharmaceutical Co., Ltd.
Resumen de: 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.