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Gel mold for high-density culture of microalgae

Resumen de: CN224494165U

The utility model discloses a gel mold for high-density culture of microalgae, which belongs to the technical field of microalgae culture and comprises a pore plate, a main body and a bottom plate, a placing groove is arranged at the upper end of the main body, a strut array and a plurality of reinforcing holes are arranged in the placing groove, and the height of the placing groove is larger than that of the pore plate; a through hole array matched with the supporting column array is arranged on the hole plate, and a plurality of reinforcing columns matched with the reinforcing holes are arranged on the bottom plate. During use, the strut array is sleeved with the through hole array, then the pore plate is placed in the containing groove, then the reinforcing holes are sleeved with the reinforcing columns, then the body is placed above the bottom plate to complete assembly of the gel mold, finally, gel is poured into the containing groove till the containing groove is filled with the gel, the body is pressed down after the gel is solidified, and the gel mold is assembled. And ejecting the gel and the pore plate for high-density culture of the microalgae by the reinforcing column to finish demolding.

Culture and automatic harvesting device for periphytic microalgae

Resumen de: CN224494203U

The utility model discloses a culture and automatic harvesting device for periphytic microalgae, which belongs to the field of periphytic microalgae culture equipment and comprises a culture pond, a plurality of culture plates distributed at equal intervals are placed in the culture pond, and the plurality of culture plates are connected together in a foldable manner through scissor supports symmetrically distributed front and back; transmission assemblies are symmetrically arranged on the front side and the rear side of the top of the culture pond, scrapers are arranged on the front transmission assemblies and the rear transmission assemblies and located on the pond face of the culture pond, and a conveying belt perpendicular to the scrapers is arranged on one side of the culture pond. According to the utility model, an enough three-dimensional attachment interface can be provided in the early stage of culture, and directional scraping and conveying can be automatically carried out after algae are mature and float, so that the automatic and high-efficiency operation from culture to harvesting is realized, and the industrial culture and harvesting requirements of microalgae are met.

Method for extracting microalgae bioactive substances in high saline-alkaline environment and application of microalgae bioactive substances

Resumen de: CN122350316A

The invention provides a method for extracting microalgae bioactive substances in a high-saline-alkali environment. The method specifically comprises the following steps: performing low-temperature plasma pretreatment; breaking walls through mixed enzymolysis, wherein mixed enzyme comprises cellulase and pectinase; performing ultrasonic extraction on a salt-tolerant extracting solution; and two-aqueous-phase extraction and hydrophobic chromatography purification are connected in series. According to the technical scheme disclosed by the invention, the problems of low extraction rate, high cost and salt-alkali interference in the existing extraction of the active substances of the high-salt-alkali microalgae are solved; (1) the extraction rate of the active substances of the high-salt-alkali microalgae is increased to be greater than or equal to 90%; (2) the purification process is shortened to be less than or equal to 24 hours, and the target product purity is more than or equal to 95%; (3) the interference of a saline-alkali environment on the extraction process is reduced, and the dosage of an organic solvent is reduced by more than 30%.

Method for preparing high-phosphorus chlamydomonas based on PTB2 overexpression and application of high-phosphorus chlamydomonas in phosphorus recovery

Resumen de: CN122357290A

The invention discloses a method for preparing high-phosphorus chlamydomonas based on PTB2 overexpression and application of the high-phosphorus chlamydomonas in phosphorus recovery, and belongs to the field of bioengineering and environmental science. According to the method, recombinant chlamydomonas is obtained by cloning and overexpressing a sodium-phosphorus dependent phosphate transporter PTB2 gene in chlamydomonas reinhardtii. According to the recombinant chlamydomonas, the total phosphorus content and the polyphosphoric acid content are synergistically and remarkably increased, and meanwhile, the growth is promoted. The high-phosphorus recombinant chlamydomonas disclosed by the invention can efficiently remove phosphorus elements from a water body and can be used for treating eutrophication of the water body; meanwhile, the high-phosphorus biomass can be used as a high-quality microalgae fertilizer raw material, and an efficient and environment-friendly technical scheme is provided for realizing biological recovery and cyclic utilization of phosphorus resources.

Method for regulating and controlling yield of microalgae biomass in special environment and application

Resumen de: CN122357285A

The invention provides a precise regulation and control method for rapid growth of high-fatty-acid microalgae biomass in a Xinjiang special environment. Through red light/blue light alternate irradiation, dynamic nitrogen supply and salinity-low temperature composite stress, the daily average speed increase of microalgae biomass is larger than or equal to 120 mg/L, and the total fat content is larger than or equal to 35%. The method breaks through the contradiction between growth and lipid accumulation in traditional culture, the light energy utilization rate is increased by 25%, and the method is suitable for large-scale development of desert microalgae resources and biodiesel production.

Engineering cyanobacteria-nano diamond compound as well as preparation method and application thereof

Resumen de: CN122351469A

The invention belongs to the technical field of crossing of biological medicine and nano materials, and particularly discloses an engineering cyanobacteria-nano diamond compound and a preparation method and application thereof, and the compound comprises engineering cyanobacteria which can be stably synthesized and secrete a photosensitizer through gene modification. The red fluorescent nano-diamond contains a nitrogen-vacancy color center and emits fluorescent light of 600-750 nm under excitation of light larger than or equal to 532 nm; the nano-diamond is loaded on the surface of cyanobacteria or in an extracellular matrix. The cyanobacteria in-situ oxygen production/photosensitizer production function and the nano-diamond deep fluorescence emission characteristic are fused, tumor hypoxia is synergistically relieved, the deep photodynamic curative effect is enhanced, the biocompatibility is good, preparation is controllable, and the application prospect in solid tumor treatment is wide.

Photobioreactor

Resumen de: CN224478077U

The utility model discloses a photobioreactor which comprises a photobioreactor storage tank, a tank cover is arranged at the top of the photobioreactor storage tank, a liquid feeding port and an exhaust port are respectively arranged at the top of the tank cover, a liquid discharging port is arranged at the bottom of the photobioreactor storage tank, and an aeration disc is fixedly connected with the inner bottom of the photobioreactor storage tank. A hollow rod is rotationally connected to the inner bottom of the photobioreactor storage tank, a driving unit is arranged between the hollow rod and the photobioreactor storage tank, a pair of supporting plates is fixedly connected to the outer surface of the hollow rod, a light source assembly is arranged between the pair of supporting plates, and a double-stirring assembly is arranged on the outer surface of the hollow rod; a vertical rod is arranged in the hollow rod, and a stirring driving assembly is arranged between the vertical rod and the double-stirring assembly; an opening and closing assembly is arranged between the photobioreactor storage tank and the tank cover; according to the photosynthetic organism culture device, the technical problem that the photosynthetic organism culture effect is influenced by attenuation of light source brightness and the air floatation phenomenon of microalgae or other photosynthetic microorganisms is solved.

POULTRY WATER SUPPLY COMPOSITION AND METHODS FOR IMPROVING POULTRY HEALTH

Resumen de: WO2026147828A1

Disclosed herein are microalgal exudate aqueous compositions and their use in an aqueous poultry water supply additive and uses thereof for improving the health of poultry.

METHOD AND SYSTEM FOR MEMBRANE CARBONATION

Resumen de: US20260193584A1

Disclosed herein are methods and systems for membrane carbonation for cultivating microalgae and other microorganisms that utilize a gaseous substrate, as well as to upgrade the quality of mixed-gas streams.

AUTOMATED CELL ANALYSER AND METHOD

Resumen de: US20260193588A1

0000 An automated cell analyser and method for determining a property of a cell, preferably a microalgal cell. In an embodiment, the method includes the steps of: (1) adding a cell sample to a microfluidic device; (2) capturing one or more images of at least one cell of the sample located within the microfluidic device; (3) carrying out image recognition of the one or more images to thereby determine a property of the at least one cell; and (4) cleaning the microfluidic device prior to adding a new cell sample to the microfluidic device, wherein: steps (3) and (4) need not be carried out in the stated order; steps (1) to (4) are preferably repeated using new cell samples; and at least steps (2) to (4) are automated.

A NEW BAG SYSTEM FOR MICROALGAE PRODUCTION

Resumen de: WO2026147418A1

The invention relates to a bag system improved for use in obtaining microalgae, to provide the controlled environment needed and to increase production efficiency, in which biofilm formation and contamination effects are reduced, and the controls of light, temperature, gas exchange, and nutrient input and output are improved.

COMPACT, MODULAR AND EASILY TRANSPORTABLE PHOTOBIOREACTOR

Resumen de: WO2026147361A1

This invention relates to a photobioreactor system that purifies and improves air quality by utilizing a microalgae bioreactor with integrated LED lighting and filter system to absorb pollutants, eliminate pathogens, and release oxygen-enriched air, while providing a sustainable and scalable solution to address environmental and public health challenges. The system includes; a compressor (1) that delivers atmospheric air to the system, an air distrubition and bubble generation system having pipes that generate carbon dioxide small bubble and large bubble from air, a photocatalytic filter (2) doped with neodymium or other nanomaterials, which oxidize and reduce impurities and contaminants from atmospheric air before entering the photobioreactor (1), a separator (4) which separates the biomass from the liquid phase, collecting the biomass for storage and subsequent treatment, a lightning system (7) including LED columns positioned at a maximum distance of 30 cm from each other and equipped with cyclic programs to reduce photoinhibition, a rain-fed system (8) that uniformly and regularly feeds microalgae through nozzles using nutrients from the fed tank (5), a heating system (9) keeping the water at optimal temperature and a control panel (6) allowing to monitor operating parameters and adjusting growth conditions in real-time through a network connected platform.

MODULAR PHOTOBIOREACTOR FOR MICROALGAL BIOMASS PRODUCTION

Resumen de: WO2026147359A1

This invention related to photobioreactor providing a modular, scalable, and sustainable system for efficient microalgae cultivation, addressing diverse applications such as biomass production, environmental remediation, and bio-compound extraction. This system includes; a body constructed within a standard 20-foot corten steel, an airtight chamber which occupies approximately three-quarters of the body's internal volume for 10 containing the freshwater or saltwater needed for microalgae cultivation, a lightning system (3) including a plurality of LEDs which are programmable and adjustable in both intensity and duration, allowing precise management of lighting conditions to optimize microalgal growth, which is installed on the body ceilin an aeration and mixing system that providing CO2 for photosynthesis from air by a compressor (1) and 15 mixing the biomass within the chamber, a feeding system (4) ensuring a continuous and controlled supply of essential nutrients to the microalgal culture, a photocatalytic filter (2) purifying contaminants in air before being injected into the reactor, a control unit (5) that monitors and manages all key operating parameters of the photobioreactor in real- time, such as pH, temperature, CO₂, and nutrient concentration, photovoltaic panels 20 providing electrical energy for reactor, which is mounted outside of body and a filter (8) that filters contaminants in the water which is sent by a pump.

Microbial electrochemical device and method for treating aquaculture wastewater

Resumen de: CN122344069A

The invention relates to the technical field of wastewater treatment, in particular to a microbial electrochemical device and method for treating aquaculture wastewater. The device comprises a central hydrolysis area, an annular anode cavity and an annular cathode pool which are coaxially arranged from inside to outside, the cathode cavity and the anode cavity are separated by a composite function side wall formed by a conductive anode layer, a sealing isolation layer and a proton exchange layer; a light-transmitting conductive cathode electrode for bearing a photocatalyst is arranged in the cathode pool and forms a closed power generation loop with the conductive anode layer; and the overflow weir at the upper part of the hydrolysis area is lower than the overflow water outlet of the anode cavity to realize unpowered self-flow. By means of three-stage coupling of hydrolysis pretreatment, microbial electrogenesis degradation and microalgae and photocatalysis synergistic purification, the defects that a traditional microbial electrochemical system is low in macromolecular organic matter degradation efficiency and nitrogen and phosphorus cannot be synchronously removed are overcome, the hydraulic retention time is shortened by 50% or above, the nitrogen and phosphorus removal rate is increased by 15% or above, and the method is suitable for industrial production. The synergistic interaction of wastewater purification and electricity generation is realized.

PE bag frame type culture device in industrial microalgae culture

Resumen de: CN224467765U

The utility model belongs to the field of cultivation equipment, and particularly relates to a PE bag frame type cultivation device in industrial microalgae cultivation, which comprises a frame for placing PE bags, the frame is a cuboid formed by welding light steel, and a plurality of support frames for supporting the frame are mounted at the bottom of the frame; red transparent acrylic plates are installed on the inner walls of the front side and the rear side of the frame through detachable structures, and a plurality of waterproof red LED lamp tubes are installed on the front side and the rear side of the frame at equal intervals. The device is reasonable in design, the transparent red acrylic plates are used as the partition plates, red light can directionally penetrate through natural light, microalgae can fully utilize and absorb the red light and conduct rapid propagation, under strong natural light, the situation that manual light shielding is conducted through a sunshade net in a staged mode is avoided, and unnecessary manpower and material resources are saved; the waterproof red LED lamp tubes are attached to the frame, so that the LED lamp tubes can be used in continuous cloudy and rainy days, the industrial production progress is not affected, and maximization of industrial production benefits is guaranteed.

Microalgae culture medium preparation device

Resumen de: CN224467800U

The utility model relates to the technical field of microalgae culture, and discloses a microalgae culture medium preparation device which comprises a filter laminar flow cover, a constant-temperature liquid storage tank, a peristaltic pump, a flow sensor and a pouring mechanism for conveying culture solution, the pouring mechanism comprises a supporting frame and a shell installed on the supporting frame in a sliding mode, a connecting column is movably installed on one side of the shell, a fixing block is installed on the connecting column, a discharging nozzle is detachably installed on the fixing block, one end of the feeding pipe is connected with the discharging nozzle, and the discharging nozzle is located above the culture dish. Through the design of the filter laminar flow cover, a sterile positive pressure environment is formed in a nutrient solution pouring area, and the risk that a culture medium is polluted is reduced; through the design of the pouring mechanism, under the cooperation of the motor and the air cylinder, the discharging nozzle is driven to move in a Z shape, Z-shaped pouring of the nutrient solution in the culture dish is achieved, and it is guaranteed that the nutrient solution is evenly distributed in the culture dish.

Special microalgae culture dish

Resumen de: CN224467766U

The utility model belongs to the technical field of microalgae culture dishes, and particularly relates to a special microalgae culture dish which comprises a base and a circular ring frame arranged on the base, a supporting plate is arranged on one side of the circular ring frame, a rotating assembly is arranged on the supporting plate, and a funnel-shaped culture dish rotating in the circular ring frame is arranged on the rotating assembly. Two symmetrical through grooves are formed in the top of the circular ring frame, a magnetic fixing assembly is arranged in each through groove, an L-shaped connecting plate is arranged on each magnetic fixing assembly, an attaching plate is arranged on the side, close to the funnel-shaped culture dish, of each L-shaped connecting plate, and the two attaching plates form a conical shell wrapping the funnel-shaped culture dish. According to the device, the funnel-shaped culture dish forcibly generates high-shear-force mixing through a narrow neck part, so that microalgae cells and nutrient substances are more uniformly distributed in a culture solution, meanwhile, LED lamp light can directly irradiate the whole conical surface of the funnel-shaped culture dish in a short-distance and all-directional manner, and the illumination uniformity and the light energy utilization efficiency are remarkably improved.

NOVEL PROROCENTRUM LIMA MICROALGAE AND CULTURE METHOD THEREOF

Resumen de: KR20260104446A

본 발명은 신규한 프로로센트룸 속(Prorocentrum spp.) 미세조류 및 이의 배양방법에 관한 것으로, 상세하게는 오카다산(Okadaic acid) 군에 속하는 독소 및 다이노파이시스(Dinophysistoxin) 군에 속하는 독소 생산능력을 가져 상기 독소의 표준품 제조용으로 이용되기 적합한 추출물을 분리 제조하기 위해 유용하게 사용될 수 있는 프로로센트룸 리마 KM1034(Prorocentrum lima KM1034) 미세조류 및 이로부터 상기 독소를 신속하게 대량으로 생산하기 위해 수행되는 대규모 배양방법에 관한 것이다.

NOVEL GYMNODINIUM CATENATUM MICROALGAE AND CULTURE METHOD THEREOF

Resumen de: KR20260104445A

본 발명은 신규한 짐노디니움 속(Gymnodinium spp.) 미세조류 및 이의 배양방법에 관한 것으로, 상세하게는 GC3독소를 고함량으로 함유하며, 대량배양이 가능하여 상기 독소의 표준품 제조용으로 이용되기 적합한 추출물을 분리 제조하는데 적합한 짐노디니움 카테나툼 KM032(Gymnodinium catenatum KM032) 미세조류 및 이로부터 상기 독소를 신속하게 대량으로 생산하기 위해 수행되는 대규모 배양방법에 관한 것이다.

Method for rapidly separating and purifying Rubisco from microalgae

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.

Isochrysis galbana continuous culture system

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.

System for capturing and converting indoor carbon dioxide and control method

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.

Adherent electroactive microalgae with salt stress response characteristic, biological preparation and application

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.

Switching system for regulating and controlling water depth of microalgae raceway pond and use method

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

Method for obtaining exosome-like vesicles from microalgae

Nº publicación: CN122326382A 03/07/2026

Solicitante:

ALGACTIF LTD
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Resumen de: 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.