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MICROALGAE CULTIVATION APPARATUS AND METHOD

Resumen de: US20260013453A1

The present invention relates to a microalgae cultivation apparatus and method. A microalgae cultivation apparatus includes a cultivation vessel which has a cultivation space for accommodating a culture medium and cultivates microalgae therein, a gas supply unit configured to supply gas to the cultivation vessel, a gas discharge portion configured to discharge gas that has passed through the culture medium of the cultivation vessel, a sensor unit installed inside the cultivation vessel, an actuator unit installed inside the cultivation vessel, a microalgae collection device configured to collect the microalgae cultured in the cultivation vessel, and a control device configured to control at least one of the gas supply unit, the gas discharge portion, and the actuator unit to generate an environment for cultivating the microalgae, collect cultivation information through the sensor unit, and control the microalgae collection device to collect the microalgae based on the collected cultivation information.

METHOD FOR MANAGING PRODUCTION OF PLANT GROWTH PROMOTING SUBSTANCE, METHOD FOR PRODUCING PLANT GROWTH PROMOTING SUBSTANCE, APPARATUS FOR MANAGING PRODUCTION OF PLANT GROWTH PROMOTING SUBSTANCE, AND PROGRAM

Resumen de: WO2026014489A1

A method for managing the production of plant growth promoting substance according to the present disclosure includes determining the degree of progress in production of a plant growth promoting substance on the basis of the activity value of lipopolysaccharide contained in a cyanobacterial culture supernatant. The degree of progress is determined, for example, on the basis of time-series data of the activity value of lipopolysaccharide from the start of cyanobacterial culture. The degree of progress may also be determined in accordance with the rate of change of the activity value calculated from the time-series data.

NEW STRAIN OF THE MICROALGA HAEMATOCOCCUS PLUVIALIS WITH HIGH ASTAXANTHIN YIELD

Resumen de: WO2026013292A1

The present invention relates to a strain of microalgae belonging to the genus Haematococcus with a high astaxanthin yield, and to a method for producing astaxanthin; in particular, the invention relates to a strain of the microalga Haematococcus pluvialis comprising at least 5% astaxanthin by weight relative to the total weight of Haematococcus pluvialis dry matter.

DIRECT AIR CARBON SEQUESTRATION SYSTEM AND METHOD USING COMPOUND ALGAE LIQUID COUPLED WITH MOISTURE SWING ADSORBENT

Resumen de: WO2026007284A1

Provided are a direct air carbon sequestration system and method using a compound algae liquid coupled with a moisture swing adsorbent, relating to the technical field of air capture. The system comprises a CO2 adsorption device (2), a microalgae carbon sequestration device (3), and a solution-microalgae separation device (4). Ultralow-concentration carbon dioxide (400 ppm) in the atmosphere is captured by means of moisture swing adsorbents (5), and the carbon dioxide can be adsorbed by means of a compound algae liquid; on the basis of different pH values of the algae liquid, the CO2 adsorption device (2) uses different adsorption-desorption operating modes, so that the recycling rate of the adsorbents is greater than 80%; the algae liquid can be recycled by means of photosynthesis, and two carbon sources of a carbon-rich algae liquid and a high-concentration carbon dioxide gas are continuously and stably supplied; and therefore, direct air carbon dioxide capture and sequestration are achieved with high efficiency and low costs.

METHOD OF PRODUCING A FATTY ESTER FROM MICROALGAE

Resumen de: WO2026008764A1

The invention relates to a method of producing an ester of a fatty acid and a C1-C4 alcohol, comprising successive steps of: cultivating cells of a microalga strain on a growth medium, harvesting the cultivated cells and concentrating them to obtain a wet cell pellet, suspending said wet cell pellet in an hydroalcoholic solution comprising said C1-C4 alcohol, incubating the cell 5 suspension thus formed so as to form said ester of a fatty acid and a C1-C4 alcohol by transesterification and/or esterification of lipids produced by the microalga cells catalyzed by endogenous enzymes of said cells, and recovering said ester of a fatty acid and a C1-C4 alcohol from said cell suspension. The growth medium can advantageously be a dark fermentation effluent.

METHOD OF SYNTHESIZING A BIOLOGICAL PRODUCT AND RELATED PIPE ARRANGEMENT FOR PERFORMING THE METHOD

Resumen de: WO2026008156A1

A method of synthesizing a biological product (1) is presented. The method comprises (S1) supplying process water (2) to a pipe arrangement (10) with a plurality of pipe sections (11ij), wherein the pipe sections (11) are cascaded in a descending order, (S2) providing microalgae (3) to the process water (2), (S3) retaining the microalgae-enhanced process water (2, 3) in and letting it run through the pipe sections (11) consecutively, wherein the process water (2, 3) first enters an elevated pipe section (1111) and then enters a lower pipe section (1112) driven by gravity, and (S4) exposing the process water (2) in the pipe sections (11ij) to an irradiation (4) such that the microalgae (3) are allowed to grow under the irradiation (4), wherein a part of the water (H2O) evaporates. Moreover, a related pipe arrangement is presented.

METHOD OF PRODUCING A FATTY ESTER FROM MICROALGAE

Resumen de: EP4674972A1

The invention relates to a method of producing an ester of a fatty acid and a C₁-C₄ alcohol, comprising successive steps of: cultivating cells of a microalga strain on a growth medium, harvesting the cultivated cells and concentrating them to obtain a wet cell pellet, suspending said wet cell pellet in an hydroalcoholic solution comprising said C₁-C₄ alcohol, incubating the cell suspension thus formed so as to form said ester of a fatty acid and a C₁-C₄ alcohol by transesterification and/or esterification of lipids produced by the microalga cells catalyzed by endogenous enzymes of said cells, and recovering said ester of a fatty acid and a C₁-C₄ alcohol from said cell suspension. The growth medium can advantageously be a dark fermentation effluent.

METHOD FOR MANUFACTURING SALMON AQUACULTURE FEED USING NUTRIENT-RICH MICROALGAE SCHIZOCHYTRIUM SP. BIOMASS

Resumen de: EP4674278A1

A feed composition comprising microalgae-derived biomass according to the present application uses microalgae having a high content of protein, fat, and minerals and free of factors that degrade feed quality, and thus can be effectively used as a fish feed composition.

Fuel production method using microalgae culture provided in a landfill

Resumen de: KR20260001796A

본 발명은 매립지에 미세조류 배양지를 구축하고 여기서 배양한 조류 바이오매스를 이용하여 바이오 항공유를 생산하는 기술에 대한 것이며, 매립 종료된 매립지의 안정화 부지 상부에 구비되는 미세조류 배양지를 설치하는 1단계; 상기 미세조류 배양지에서 미세조류를 배양하는 2단계; 및 상기 1단계에서 배양된 미세조류를 이용하여 항공유를 생산하는 3단계;를 포함하여 이루어지며, 매립지를 활용하며 매립지에서 배출되는 가스를 이용하여 미세조류를 배양하고 이를 통해 지속가능한 연료를 생산할 수 있는 효과가 발휘된다.

microalgae cultivation photoreactor for capturing carbon dioxide

Resumen de: KR20260000247A

본원발명은 이산화탄소 포집용 미세조류 배양을 위한 광배양기에 관한 것으로 배양관의 교체 및 세척이 용이하여 가정용 또는 실내 인테리어용으로 사용하기에 적합한 장점이 있다.

PLATFORM FOR BIO-BASED PRODUCTION OF HIGH LEVELS OF O-PHOSPHOSERINE, CYSTEATE, OR TAURINE

Resumen de: US20260002180A1

Methods for the fermentative production of O-phosphoserine, cysteate, or taurine in microbes or unicellular organisms that contain a serB mutation that either decreases serB expression, reduces the amount of the serB gene product or results in a serB gene product with low enzymatic activity. Genetic modifications of the O-phosphoserine, cysteate, or taurine and/or substrate biosynthetic pathways in unicellular organisms that include bacteria, algae, microalgae, diatoms, yeast, or fungi are disclosed. Also disclosed are fermentation and processing methods for the production of various O-phosphoserine-, cysteate-, or taurine-containing products and the use of the cells, fermentation broth or extracts that contain O-phosphoserine, cysteate, or taurine to produce products for use in food, feed, beverages, dietary and health supplements, cosmetics, personal care, pharmaceuticals, agricultural production, or surfactants.

MARINE MICROALGAL PROTEIN PREPARATIONS

Resumen de: US20260000094A1

A protein preparation may be obtained from dried lipid extracted marine algae. The novel hydrolysate has high solubility and digestibility, low ash content, and high protein content (measured as g amino acid/g of product), with an essential amino acid profile that makes an excellent protein supplement for human consumption. The process utilizes a hydrolyzation reaction at high solids content to minimize water footprint and ash content, while increasing its solubility and digestibility.

Method for preparing a rich liquid food supplement based on microalgae

Resumen de: MA66491A1

The invention describes a method for developing a liquid food supplement rich in proteins and amino acids, polyphenols and phycocyanin from microalgae. The method includes, as a main step, the enzymatic decomposition of cell walls to release their contents into the extract, without degradation or change in its composition. The compounds released include free proteins and amino acids, phenolic compounds and phycocyanin contained in the phycobilisome. The liquid product obtained by said method preserves high antioxidant activity and the characteristics of a food supplement “Rich in proteins” and/or “Rich in free amino acids” and/or “Rich in phycocyanin” and/or “Rich in polyphenols » and/or “Rich in antioxidants”.

Energy-saving illumination and temperature coordinated regulation and control device

Resumen de: CN223738047U

The utility model discloses an energy-saving illumination and temperature coordinated regulation and control device, and belongs to the field of microalgae cultivation. An energy-saving illumination and temperature coordinated regulation and control device comprises a supporting plate and further comprises a light guide pipe fixedly connected to the supporting plate, a diffuser is arranged at the bottom of the light guide pipe and arranged below the supporting plate, and a brightness sensing assembly is arranged in the light guide pipe; the connecting plate is fixedly connected to the bottom of the supporting plate, an illuminating lamp is connected to the connecting plate in a lifting mode, a temperature sensing assembly is arranged on the illuminating lamp, and when the light source in the light guide pipe is detected by the brightness sensing assembly, the temperature sensing assembly and the illuminating lamp ascend or descend; according to the utility model, the position height and the switch of the illuminating lamp can be controlled, and the illuminating lamp is matched with the light guide pipe for use, so that unnecessary power consumption can be reduced, and the energy efficiency is improved.

Ecological intensive mariculture tail water intelligent treatment system and method

Resumen de: CN121225799A

The invention belongs to the technical field of environmental engineering and pollution treatment, and particularly relates to an ecological intensive mariculture tail water intelligent treatment system and method.The ecological intensive mariculture tail water intelligent treatment system comprises a pretreatment and solid waste recycling module, a primary purification module, a biological collaborative purification module and a deep purification module; the pretreatment and solid waste recycling module comprises a high-density sedimentation tank, the primary purification module comprises a microalgae open pond, the biological collaborative purification module comprises a mixed culture area, and the deep purification module comprises an artificial wetland area. An outlet in the upper end of the microalgae open pond is connected with an inlet in the upper end of the mixed culture area through a pipeline I; according to the system, a biological treatment mode is adopted, the inherent defect of a single method in the prior art is overcome, standard discharge of mariculture tail water is achieved, green, ecological and efficient development of the breeding industry is promoted, and the win-win situation of ecological environment protection and economic benefit improvement is achieved.

Aquaculture tail water treatment system and method based on shellfish appreciation and microorganism water purification

Resumen de: CN121220401A

The invention discloses a culture tail water treatment system and method based on shellfish appreciation and microorganism water purification, and belongs to the cross technical field of aquaculture and water environment governance, the system mainly comprises a microorganism treatment unit and a shellfish culture unit which are connected in sequence, the microorganism treatment unit is used for treating culture tail water through an immobilized biological membrane and segmented aeration, and the shellfish culture unit is used for treating culture tail water. The device can flexibly operate in a nitrogen control mode and a nitrogen removal mode; by means of the core regulation and control unit, the system operates in a nitrogen control mode in the shellfish growing period, the proper nitrogen and phosphorus concentration is maintained so as to nourish microalgae for shellfish to filter and eat, and rapid fattening of shellfish and removal of water particles are achieved; according to the method, tail water treatment is converted into a benefit growth point from a cost center, an endogenous circulation mode of purifying water with fish and culturing fish with water is formed, and unification of environmental benefits and economic benefits is achieved.

Chlamydomonas reinhardtii strain with high exosome yield

Resumen de: CN121227521A

The invention relates to the technical field of microalgae biology, in particular to a chlamydomonas reinhardtii strain with high yield of exosomes, which is named as Chlamydomonas reinhardtii YYAW026 and preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC NO.46629, the preservation date is November 10, 2025, and the preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. Compared with an original strain, the chlamydomonas reinhardtii cell provided by the invention cannot form a complete cell wall structure, so that the exosome can be quickly secreted into a culture solution; although the cell structure of the strain is incomplete, the strain can still perform normal cell activity, the growth curve is basically consistent with that of a wild type, the yield of the exosome of the strain is greater than that of the wild type when the strain reaches a plateau phase, and the particle size distribution width of the exosome is more concentrated. The chlamydomonas reinhardtii disclosed by the invention has a relatively good application prospect in the basic research fields of cosmetics, medical beauty industry and algae source exosomes.

Method for purifying wastewater by using MgFe-LDH modified charcoal reinforced microalgae

Resumen de: CN121225767A

The invention relates to a wastewater purification method, in particular to a method for purifying wastewater by using MgFe-LDH modified biochar reinforced microalgae, which comprises the following steps: preparing MgFe-LDH modified biochar; co-culturing the modified biochar and microalgae, and determining the optimal addition amount of the MgFe-LDH modified biochar by comparing the growth condition of the microalgae; and inoculating the MgFe-LDH modified charcoal and microalgae into the wastewater for purification. Compared with the prior art, the method has the advantages that a CO2-rich microenvironment is created for the microalgae in the wastewater by constructing an algae-carbon co-culture system, the inherent limitation of insufficient carbon supply in a solution is improved, the growth of the microalgae in the wastewater is promoted, and the wastewater purification effect of the chlorella is further enhanced. The method is simple and convenient to operate, low in preparation cost, high in wastewater purification efficiency of microalgae and high in environment adaptability of an algae carbon system, and the purposes of fixing CO2 and efficiently purifying wastewater can be achieved.

Blue-green algae collecting device based on magnetic carrier and collecting method of blue-green algae collecting device

Resumen de: CN121203807A

The invention discloses a blue-green algae collecting device based on a magnetic carrier and a collecting method of the blue-green algae collecting device, and belongs to the technical field of blue-green algae treatment. The device comprises a liquid storage unit, a magnetic separation unit and a collection unit, the magnetic separation unit is matched with the liquid storage unit, the magnetic separation unit generates a directional magnetic field and acts on mixed liquid in the liquid storage unit, so that magnetic carriers combined with blue-green algae in the mixed liquid are gathered in the acting direction of magnetic field force, and the blue-green algae-magnetic carrier compound is formed. The magnetic carrier is prepared, and polydopamine (PDA) is rich in active groups, so that the affinity and binding force to cyanobacteria cells are enhanced; meanwhile, a buffer solution is used for accurately regulating and controlling pH, the optimal environment for carrier synthesis and blue-green algae combination is guaranteed, and compared with an unmodified carrier, the blue-green algae capture rate is remarkably increased.

Accumulation method of cyanobacteria grease and high value-added metabolites under nitrogen starvation stress

Resumen de: CN121204176A

The invention relates to the technical field of preparation of blue-green algae biological resources, in particular to a method for accumulating blue-green algae grease and high-added-value metabolites under nitrogen starvation stress, which comprises the following steps: after carrying out plasma mutagenesis screening on blue-green algae, inoculating an improved BG-11 culture medium and activating to OD680 1.2-1.8; carrying out gradient switching of a nitrogen source according to an inoculum size of 10-15%, carrying out pre-culture for 4-6 days, and regularly supplementing vitamin C; carrying out flow monitoring on the nitrogen content of the cells, and carrying out mild and severe dynamic nitrogen starvation stress culture for 4-7 days; adding a nano-loaded composite inducer on the first day of severe stress, and performing pulse stirring culture for 2-3 days; after near-infrared monitoring reaches the standard, antioxidant is added for harvesting, and the biomass is subjected to freezing pretreatment. The high value-added metabolite is an ultraviolet absorbing substance (mycosporine-like amino acid and pseudocystin), phycocyanin or gamma-linolenic acid. According to the method, high-yield strains are screened through mutagenesis, gradient pre-culture and dynamic nitrogen starvation regulation are combined, and a nano-loaded composite inducer and real-time monitoring are matched, so that the grease and metabolite accumulation efficiency is directionally improved, and the ca

Method for improving orientated conversion of perigord truffle fatty acid into EPA and application of method

Resumen de: CN121204175A

The invention relates to the technical field of bioengineering and food engineering, in particular to a method for improving directional conversion of perigord truffle fatty acid into EPA and application of the perigord truffle fatty acid into the EPA. According to the system, a natural enzyme system and active ingredients in a nannochloropsis oculata lysate are fully utilized as biological catalytic components, and the physical strengthening effect of multi-frequency ultrasound is combined; under mild conditions, the unsaturated efficiency of fatty acid and the generation rate of EPA in a reaction system are remarkably improved. According to the method, perigord truffle is subjected to ethanol extraction, lipid components of perigord truffle are fully released, and the perigord truffle and a microalgae lysate have a synergistic effect, so that a composite reaction system with biological catalysis and physical promotion functions is constructed. The method is simple and controllable in process, has the advantages of being short in reaction time, low in energy consumption, environmentally friendly and the like, and meanwhile achieves the dual purposes of high-value utilization of perigord truffle resources and sustainable production of EPA. According to the method, an innovative solution is provided for high-value utilization of perigord truffle resources.

Concrete-microalgae co-production system for carbon dioxide curing

Resumen de: CN121203785A

The invention belongs to the technical field of waste utilization devices, and particularly relates to a concrete-microalgae co-production system for carbon dioxide curing. The co-production system comprises a carbon dioxide trapping device, a microalgae culture device and calcining equipment; the microalgae culture device comprises a culture box, the bottom of the culture box is provided with an air inlet, a slag discharge port and an oil discharge port, and the top of the culture box is provided with an air outlet; a gas outlet of the carbon dioxide trapping device is communicated with a gas inlet of the incubator, and a slag discharging opening of the incubator is communicated with a feeding opening of the calcining equipment. According to the co-production system, the carbon dioxide trapping device, the microalgae culture device and the calcining equipment are connected for use, industrial waste gas is treated by the carbon dioxide trapping device, then carbon dioxide is introduced into the microalgae culture device, the carbon dioxide is efficiently fixed through photosynthesis of microalgae, and algae oil (biofuel) and algae residues are synchronously produced; and the algae residues are reused for cement clinker firing, so that a closed-loop industrial chain of carbon capture-biomass energy-building material regeneration is realized.

Ultrasound-controllable multifunctional microneedle patch as well as preparation method and application thereof

Resumen de: CN121197013A

The invention discloses an ultrasonic controllable multifunctional microneedle patch as well as a preparation method and application thereof, and belongs to the technical field of biological materials. The preparation method comprises the following steps: preparing crystalline CoW-LDH nanosheets from Co (NO3) 2.6 H2O, Na2WO4. 2H2O and NaOH, dispersing the crystalline CoW-LDH nanosheets in PBS (Phosphate Buffer Solution), centrifuging and collecting the crystalline CoW-LDH nanosheets, and re-dispersing the crystalline CoW-LDH nanosheets in ultrapure water to obtain amorphous CoW-LDH nanosheets; adding PEG (Polyethylene Glycol), ultrasonically dispersing, stirring at room temperature, centrifuging, collecting and centrifugally washing with ultrapure water to obtain a PEG modified amorphous CoW-LDH nanosheet; and adding microalgae and an amorphous CoW-LDH nanosheet modified by PEG (Polyethylene Glycol) to prepare the ultrasonic controllable multifunctional microneedle patch. The multifunctional microneedle patch disclosed by the invention is high in biological safety, can realize ultrasonic controllability, has a sonodynamic treatment effect and an oxygen supply effect, remarkably inhibits melanoma recurrence and remarkably promotes wound healing, and has a wide application prospect.

Fucoxanthin synthesis optimization method and system based on reinforcement learning

Resumen de: CN121215064A

The invention relates to the technical field of biological environment engineering, and provides a fucoxanthin synthesis optimization method and system based on reinforcement learning, and the method comprises the following steps: a real-time data acquisition system; constructing a state space; a deep reinforcement learning decision network; optimizing a dynamic strategy; and strategy verification is linked with the process. Through a light quality-stimulant collaborative reinforcement learning regulation strategy, the static operation limitation of a traditional process is broken through, the photosynthetic physiological state of microalgae is perceived in real time, the light environment and chemical signals are dynamically optimized, the fucoxanthin synthesis efficiency is remarkably improved, and a multi-omics closed-loop verification mechanism is combined, so that the fucoxanthin synthesis efficiency is improved. The molecular cascade effect of a light signal driving pigment synthesis pathway is illuminated, and a precise target spot is provided for metabolic engineering transformation.

ALGAE CULTIVATION AND HARVESTING FROM CARRIERS

Nº publicación: US2025388844A1 25/12/2025

Solicitante:

ALGAFILM TECH LTD [CA]
ALGAFILM TECHNOLOGIES LTD