Microalgues: Cultiu i usos

Living paint

Resumen de: GB2701006A

A living paint comprises a living photosynthetic microorganism, binder, growth medium, and water. The microorganism may comprise algae, cyanobacteria, or lichens. The binder may be composed of primary and secondary polysaccharide binders. The primary binder may be hydroxypropyl methylcellulose and the secondary binder may be agar or sodium alginate. The growth medium may comprise phosphate, nitrate, acid (e.g. citric acid), boronic acid, or salts of magnesium, manganese, copper, or cobalt. The paint may contain a humectant, e.g. sorbitol or corn syrup. Typically, the paint comprises 1-7 wt.% binder, 40-98 wt.% water, and 0.1-6 wt.% humectant. A method of making the paint comprises the addition of the microorganism to a composition containing water and binder, which is at least partially set, wherein the growth medium is present in the composition or incorporated during/after the addition. Use of the paint for increasing carbon dioxide absorption capacity of a substrate is also disclosed. No Figure

COSMETIC USES OF A HYDROLYSATE OF AN EXTRACTION COPRODUCT OF THE MICROALGAE PHAEODACTYLUM TRICORNUTUM

Resumen de: US20260090979A1

A cosmetic or nutraceutical use of a hydrolysate of an extraction coproduct of the microalgae Phaeodactylum tricornutum to exfoliate skin and/or to reduce skin microrelief. A method of cosmetic care includes the topical application of a hydrolysate of an ethanolic extraction coproduct of the microalgae P. tricornutum or of a composition including it to exfoliate skin and/or to reduce skin microrelief.

A PROBIOTIC AND MICROALGAE-ADDED EDIBLE FILM AND A PRODUCTION METHOD

Resumen de: WO2026063913A2

The invention relates to a method (100) of obtaining an edible film comprising probiotics and microalgae, used as a food surface coating or as a nutritional supplement alone, and to a film obtained by the method (100).

A liquid cultivation medium for the cultivation of microalgae

Resumen de: EP1000000A1

The invention relates to an apparatus (1) for manufacturing green bricks from clay for the brick manufacturing industry, comprising a circulating conveyor (3) carrying mould containers combined to mould container parts (4), a reservoir (5) for clay arranged above the mould containers, means for carrying clay out of the reservoir (5) into the mould containers, means (9) for pressing and trimming clay in the mould containers, means (11) for supplying and placing take-off plates for the green bricks (13) and means for discharging green bricks released from the mould containers, characterized in that the apparatus further comprises means (22) for moving the mould container parts (4) filled with green bricks such that a protruding edge is formed on at least one side of the green bricks.

PROCÉDÉ DE PRODUCTION DE CYANOBACTÉRIES DU GENRE APHANIZOMENON

Resumen de: FR3166150A1

La présente invention concerne un procédé pour produire des cyanobactéries du genre Aphanizomenon comprenant les étapes suivantes : (a) inoculer, dans un milieu de culture aqueux, des cyanobactéries du genre Aphanizomenon et des microalgues du genre Chlorella dans des quantités telles que le rapport massique initial en matières sèches (microalgues du genre Chlorella)/(microalgues du genre Chlorella + cyanobactéries du genre Aphanizomenon) soit compris entre 5% et 70% ; (b) maintenir la co-culture sous illumination moyennant quoi les cyanobactéries du genre Aphanizomenon et les microalgues du genre Chlorella se développent dans le milieu de culture aqueux ; puis (c) séparer physiquement les cyanobactéries du genre Aphanizomenon des microalgues du genre Chlorella et récupérer les cyanobactéries du genre Aphanizomenon.

PROCESS FOR PRODUCING BIOFERTILIZERS/BIOSTIMULANTS FROM MICROALGAE OF THE SPECIES SCENEDESMUS SP. WITH INTENSIVE CO2 CAPTURE, BIOFERTILIZERS/BIOSTIMULANTS OBTAINED BY SAID PROCESS AND THEIR USES IN AGRICULTURE

Resumen de: US20260070853A1

The present invention relates to a process for producing biofertilizers/biostimulants from microalgae with intensive CO2 capture, which comprises the following steps: a) preparing an inoculum;b) cultivating for the production of microalgae biomass in a window photobioreactor;c) collecting the biomass by flocculation;d) drying the biomass, and grinding and extracting a polar fraction by solvent in a two-phase system; ande) analyzing the polar fraction by liquid chromatography.The invention also relates to the extracts of wet biomass of the microalgae Scenedesmus sp., obtaining the polar fraction. This polar fraction contains amino acids, sugars, betaine derivatives, vitamin B3 (nicotinamide or nicotinic acid) and pantothenic acid (vitamin B5), the monoterpene loliolide and the tryptophan derivative indole-lactic acid (analogous to indole-acetic acid, a phytohormone of the auxin class).The polar fraction can also be used as an input in the cultivation of soybeans, corn, sugar cane, cotton and coffee, among other cultivated species.

Microalgae with enhanced resistance to radiation method for preparing the same and decontamination method using the same

Resumen de: KR20260030985A

본 발명은 방사선 저항성이 향상된 미세조류, 이의 제조방법 및 이를 이용한 제염 방법에 관한 것으로, 보다 상세하게는 클라미도모나스 레인하티(Chlamydomonas reinhardtii) 유래 CrUAM(UDP-Arabinopyranose mutase)를 코딩하는 유전자를 포함하는 형질전환 미세조류인 방사선 저항성이 향상된 미세조류, 상기 미세조류를 방사성 물질로 오염된 폐수 또는 토양에 처리하는 단계를 포함하는 제염 방법, 및 클라미도모나스 레인하티(Chlamydomonas reinhardtii) 유래 CrUAM(UDP-Arabinopyranose mutase)를 코딩하는 유전자를 미세조류에 도입하는 단계를 포함하는, 방사선 저항성이 향상된 형질전환 미세조류 제조방법에 관한 것이다.

BIO-BASED PRODUCTION OF N-ACETYLCYSTEINE

Resumen de: WO2026050082A1

Disclosed herein are methods for the fermentative production of N-acetylcysteine (NAC) or NAC-containing products from unicellular organisms. Also disclosed herein are genetic modifications of the NAC and/or substrate biosynthetic pathways in unicellular organisms that include bacteria, algae, microalgae, diatoms, yeast, or fungi. Further disclosed herein are fermentation and processing methods for the production of various NAC-containing products. The present disclosure further relates to use of the cells, fermentation broth or extracts that contain NAC to produce products for use in food, feed, beverages, dietary and health supplements, cosmetics, personal care, pharmaceuticals, or agricultural production.

BIOREMEDIATION OF ORGANIC COMPOUNDS IN WATER VIA MICROALGAE

Resumen de: US20260062330A1

A method for organic compound removal from a solution using microalgae includes extracting one or more hydrocarbons from an underground geologic formation to form a hydrocarbon composition and a produced water including at least a portion of the one or more hydrocarbons and one or more salts. The method further includes mixing the produced water with a wastewater to form a solution, and then contacting a microalgae feedstock, Chlorella sorokiniana, with the solution in a bioreactor. The total lipid content of the microalgae feedstock is 13 to 17%. The method includes removing the one or more hydrocarbons, nitrogen, and phosphorous from the solution by algal consumption with the microalgae feedstock. The method of the present disclosure removes 80 to 90 wt. % of the one or more hydrocarbons, 70 to 85 wt. % nitrogen, and 90 to 100 wt. % phosphorous.

METHOD FOR PRODUCING EXTRACELLULAR VESICLE DERIVED FROM PLANT, MUSHROOM, OR MICROALGAE

Resumen de: WO2026048836A1

The present invention provides a method for producing extracellular vesicles, the method including a step for passing a crushed liquid of plants, mushrooms, or microalgae through a depth filter, and a step for subjecting the crushed liquid after passing through the depth filter to ultrafiltration treatment, the depth filter being composed of filaments.

ANTIVIRAL AGENT COMPRISING MICROALGAE EXTRACT AS ACTIVE INGREDIENT

Resumen de: WO2026049115A1

The present invention relates to an antiviral composition comprising a microalga extract as an active ingredient. More specifically, a Tetraselmis extract effectively inhibits the proliferation and replication of flaviviruses and thus can be advantageously used as an antiviral agent, a pharmaceutical composition, a health functional food composition, or a quasi-drug composition for anti-flavivirus activity.

Water pushing mechanism

Resumen de: CN223951002U

The utility model relates to a water pushing mechanism which comprises a driving mechanism, the driving mechanism is connected with a rotating rod, and a first stirring mechanism and a second stirring mechanism are arranged on the rotating rod. The first stirring mechanism comprises a first connecting pipe and a first impeller arranged along the circumference of the first connecting pipe; the second stirring mechanism comprises a second connecting pipe and a second impeller arranged along the circumference of the second connecting pipe, and the first connecting pipe and the second connecting pipe are both arranged on a rotating rod; the first impeller and the second impeller are arranged in a staggered mode. The first impeller and the second impeller are arranged in a staggered mode, the water pushing efficiency is improved, meanwhile, the first water conveying plate and the second water conveying plate are arranged, water can be conveyed out in the flowing direction, the stirring range of the water is widened, the stirring time of the water is prolonged, microalgae are prevented from being deposited at the bottom end of the raceway pond, floating of the microalgae in the raceway pond is achieved, and the water pushing efficiency is improved. The photosynthesis of the microalgae is improved, and the growth and reproduction speed of the microalgae is increased.

Microalgae cell wall breaking equipment

Resumen de: CN223951023U

The utility model discloses microalgae cell wall breaking equipment, and relates to the technical field of microalgae cell wall breaking equipment. The device comprises a treatment tank, a vertical rotating shaft is rotationally arranged at the middle end of the treatment tank, a plurality of stirring pieces distributed at equal intervals are fixedly arranged at the end, located in the treatment tank, of the rotating shaft, two symmetrically-arranged arc-shaped plates are arranged in the treatment tank, and a plurality of leakage grooves distributed at equal intervals are formed in the arc-shaped plates. Two long rods which are symmetrically arranged are fixedly arranged at the middle end of the arc-shaped plate; through linkage of the transfer plate, the rotating block, the swing plate, the long plate and other parts, the arc-shaped plate can push mixed raw materials at the inner edge of the treatment tank to be in continuous contact with the stirring piece, the over-static state of the conventional stirring mode is broken through, the raw materials are mixed more dynamically, the problem of long mixing time caused by insufficient mixing is avoided, and the mixing efficiency is improved. Therefore, the mixing efficiency is improved, and the problem that the treatment efficiency is affected by the mixing mode in the existing chemical wall breaking process is solved.

Microalgae and anaerobic fermentation integrated biomass energy production circulation system

Resumen de: CN223950845U

The utility model discloses a microalgae and anaerobic fermentation integrated biomass energy production circulating system which comprises an IC anaerobic tower reaction generator, a circulating water tank, a T-shaped pipeline, a circulating water pump, a main pipeline, a microalgae collecting port and a microalgae circulating incubator, and the IC anaerobic tower reaction generator is connected with the circulating water tank; the T-shaped pipeline is connected with the circulating water tank; a microalgae collecting opening is formed in one end of the T-shaped pipeline, and the other end of the T-shaped pipeline is connected with the main pipeline through a circulating water pump; a water inlet of the microalgae circulating incubator is connected with the main pipeline, and a water outlet is connected with the circulating water tank. According to the utility model, the effects of wastewater purification and biomass energy production are realized through organic combination of all the devices, anaerobic fermentation treatment is carried out through the IC anaerobic tower reaction generator, and liquid generated by anaerobic fermentation is purified through microalgae in the microalgae circulation culture device; finally, the purposes of efficiently treating high-organic-concentration wastewater and obtaining energy and biological products with high additional values are achieved.

Intertidal zone benthic microalgae multispectral adaptive carbon sequestration rate in-situ monitoring system and intertidal zone benthic microalgae multispectral adaptive carbon sequestration rate in-situ monitoring method

Resumen de: CN121574792A

The invention relates to an intertidal zone benthic microalgae multispectral self-adaptive carbon sequestration rate in-situ monitoring system and method, the system comprises a reactor used for containing intertidal zone sediments, the top of the reactor is covered with a cover plate, and the cover plate is provided with an LED lamp; a through hole is formed in the side wall of the reactor, an electrode penetrates through the through hole, and the other end of the electrode is electrically connected with a monitor; a micro-motor system is further arranged on the side wall of the reactor, and the micro-motor system is electrically connected with the LED lamp so as to control on and off of the LED lamp; a water changing opening is further formed in the side wall of the reactor, and the water changing opening is electrically connected with the micro-motor system so as to control opening and closing of the water changing opening; the scheme provided by the invention has the advantages that the method is not influenced by the environment, and the carbon sequestration rate of the benthic microalgae can be measured at high precision in any adverse environment.

SCHIZOCHYTRIUM POWDER FOR REDUCING METHANE EMISSIONS FROM DAIRY COWS AND PREPARATION METHOD THEREOF

Resumen de: EP4699450A1

this application relates to the technical field of feed, and specifically discloses a schizochytrium powder for reducing methane emissions from dairy cows, a method for preparing same, and a double-layer whole-cell microalgal schizochytrium powder or a whole-cell microalgal schizochytrium powder of a structure that contains a schizochytrium core and a double-layer outer coating, the powder being prepared by the method. Methanogens in a rumen can reduce carbon dioxide to CH₄ by using hydrogen. In a feed formulation of this application, a multi-layer core-coating structure is adopted; lysozyme is added in an outermost coating of a schizochytrium particle; and 4-hydroxy-3-methoxybenzoic acid, D-alloisoleucine, and D-2-aminobutyric acid are added in an intermediate coating to inhibit growth of Methanobrevibacter and Methanomicrobium, regulate microbial community structures, promote microbial community metabolism in the rumen to shift toward a propionic acid pathway, reduce the amount of acetic acid and an acetate-to-propionate ratio, promote digestion, and increase the VFA fermentation yield and the amount of propionic acid, thereby reducing methane emissions and promoting absorption of various nutrients of schizochytrium without affecting the fermentation effect of the microbial community. When put in long-term use, the feed formulation can significantly increase the content of nutrients such as DHA in milk.

Animal feed rich in protein and preparation method thereof

Resumen de: CN121549458A

The invention relates to the technical field of animal feed preparation, in particular to animal feed rich in protein and a preparation method thereof. The animal feed provided by the invention is prepared by taking the chemically induced and intensively cultured microalgae as a protein source, modifying the protein source through succinylation and then synergistically compounding the modified protein source with a composite chelating agent. The content of microalgae protein in the feed prepared by the method reaches 20% or above of dry weight, the total protein content of the feed is greater than or equal to 28%, the protein digestion and absorption rate of animals is increased to 88% or above, and meanwhile, the animal immune function is effectively enhanced.

Hydrophage strain SNF1, fermentation compound and method for removing sulfamethoxazole in wastewater

Resumen de: CN121555346A

The invention discloses a hydrogen phagocystis strain SNF1, which belongs to the field of wastewater treatment, the hydrogen phagocystis strain SNF1 is preserved in China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.35006, and the preservation date is June 25, 2025; the invention further discloses a fermentation compound, the fermentation compound is used for removing sulfamethoxazole in wastewater, and the compound comprises the hydrogen phagocystis strain SNF1 and microalgae; the invention further discloses a method for removing sulfamethoxazole in wastewater, and the hydrophage strain SNF1 is used in the method.

Method for preparing microalgae-based lipidosome by'one-step method '

Resumen de: CN121550267A

The invention belongs to the technical field of lipidosome and microalgae biology, and discloses a method for preparing microalgae-based lipidosome through a one-step method. The method comprises the following steps: sequentially adding Tween and cholesterol into a microalgae crude extract, and dissolving to obtain a mixed solution; adding water into the mixed solution; and finally, carrying out ultrasonic treatment to obtain the microalgae-based liposome. The microalgae crude extract, Tween and cholesterol are used as raw materials, and microalgae endogenous phospholipid can be directly utilized, so that active substances in microalgae form a stable liposome structure. The prepared microalgae-based liposome particles are small and uniform, the particle size is smaller than 300 nm, and the average particle size is about 40 nm; the encapsulation efficiency is high and can reach 97.5% or above; the stability and the antioxidant activity are high, and the quality of products in different batches is stable.

Light-splitting solar concentrator integrating photovoltaics and conical pipe

Resumen de: CN121555291A

The invention discloses a photovoltaic and conical tube integrated light-splitting solar concentrator, which comprises a microalgae circular reaction device, a photovoltaic module and a light-splitting concentrator, and is characterized in that the microalgae circular reaction device comprises a photobioreactor which is a transparent part and is used for providing a growth space for microalgae; the photovoltaic module comprises a first photovoltaic panel which is arranged above the photobioreactor, and the light receiving surface of the first photovoltaic panel faces the photobioreactor; the light splitting and concentrating device comprises a light splitting and concentrating part and a light collecting and concentrating part arranged below the light splitting and concentrating part; the light splitting and condensing part is used for reflecting visible light to the first photovoltaic panel and transmitting light outside the visible light to the light collecting and condensing part, and the light collecting and condensing part is used for reflecting light emitted to the surface of the light collecting and condensing part to the photobioreactor. According to the device provided by the invention, energy in sunlight can be fully utilized, the energy utilization rate of solar energy is improved, and the energy consumption of the device provided by the invention is reduced, so that the light-splitting solar concentrator does not need to utilize other energy except light energy, a

Microalgae wastewater treatment system

Resumen de: CN121554139A

The microalgae wastewater treatment system provided by the embodiment of the invention comprises: 1) a wastewater pretreatment device for performing water quality regulation and control pretreatment on introduced wastewater and conveying pretreated effluent to a multilayer fluidized bed microalgae reactor; 2) a multilayer fluidized bed microalgae reactor used for covering aeration, illumination, temperature control and a multilayer annular flow channel synergistically driven rotatable carrier; the water quality monitoring device is used for monitoring the water quality in the culture process in real time and transmitting monitoring data to the comprehensive controller; the microalgae collecting device is used for collecting the microalgae after the biomass concentration of the microalgae reaches the preset density; the effluent collecting device is used for collecting residual water after microalgae separation and discharging the water after determining that the water reaches a recycling standard, and the comprehensive controller is used for predicting the short-term growth rate of microalgae based on monitoring data and optimizing the aeration rate and the illumination period of the reactor based on the short-term growth rate.

Circulating laboratory microalgae rapid breeding device

Resumen de: CN223936477U

The utility model discloses a circulating type rapid culture device for microalgae in a laboratory, and belongs to the technical field of algae culture. According to the technical scheme, the circulating type laboratory microalgae rapid culture device comprises a culture tank, an aeration unit, a water quality monitoring unit and a controller, the bottom of the culture tank is of an inverted circular truncated cone structure, a top cover is detachably arranged at the top of the culture tank, and a bottom cover is detachably arranged at the bottom of the culture tank; a wave making pump and a heater are arranged in the culture tank; the top cover is provided with a water inlet and an air outlet, the water inlet is connected with a water inlet pipe, and the culture tank is provided with a liquid level sensor; the aeration unit comprises four groups of aeration pipes, the four groups of aeration pipes are communicated with one another through a central pipe and are vertically arranged in the culture tank in a cross shape, a plurality of circular vent holes are uniformly distributed in the outer walls of the four groups of aeration pipes, and an LED lamp tube is arranged in each group of aeration pipes. According to the utility model, the microalgae growth cycle can be shortened, and the microalgae yield is improved.

System and method for removing antibiotic resistance genes in aquaculture water

Resumen de: CN121554145A

The invention discloses a system and a method for removing antibiotic resistance genes in aquaculture water, and belongs to the technical field of water environment treatment and ecological engineering. In order to solve the problems that ARGs in the existing aquaculture tail water are difficult to remove, easy to relapse and heavy in secondary pollution, a physical gradient filtering unit, an anaerobic targeting blocking unit and an aerobic phycomycete symbiotic purification unit are sequentially constructed in the system. The physical unit is filled with pelelith, quartz sand, magnetite and zeolite; pH response type intelligent microcapsules are introduced into the anaerobic unit, and zinc oxide nanoparticles and tea polyphenol are coated with a sodium alginate/chitosan compound; the aerobic unit strengthens a microalgae-bacteria symbiotic system through a plant growth regulator, deeply mineralizes residual antibiotics and adsorbs free DNA; and the tail end is coupled with a high-temperature anaerobic digestion device to realize thorough inactivation of enriched ARGs in the algae mud. The method is scientific in technological process and low in operation cost, and deep purification and resource utilization of the aquaculture tail water are achieved.

Method for adjusting activities of urease and sucrase in lumbricus intestinal tract

Resumen de: CN121549463A

The invention relates to the technical field of animal breeding, and discloses a method for adjusting the activity of urease and sucrase in lumbricus intestinal tracts. The invention provides application of microalgae in enhancing the activity of urease and sucrase in the intestinal tract of lumbricus, microalgae cell sap containing scenedesmus, chlorella or a combination of scenedesmus and chlorella is used after being mixed with a basic feed for culturing lumbricus, or is directly applied to a culture medium, so that the growth traits such as weight and length of lumbricus can be remarkably improved, and meanwhile, the growth of the lumbricus is improved. By improving the activities of urease and sucrase in the intestinal tract of the lumbricus, the digestion and metabolism efficiency of the lumbricus on a nitrogen source and a carbon source is effectively improved, the problems of low feed utilization rate and slow growth in breeding are fundamentally solved, the standardization and sustainable development of the lumbricus breeding industry are powerfully promoted, and a guarantee is provided for exerting the ecological and medical values of the lumbricus.

Carbon reduction system using microalgae

Nº publicación: KR20260024283A 20/02/2026

Solicitante:

정현섭