Alerta

Biological stimulant prepared by utilizing aerial microalgae Pilidiococcus sp. FDA-4 and application of biological stimulant

Resumen de: CN122081076A

The invention discloses a biological stimulant prepared by utilizing aerial microalgae Pilidiococcus sp. FDA-4 and application of the biological stimulant, and belongs to the technical field of agricultural biotechnology and environmental microorganism application. The biological stimulant is prepared by culturing aerial microalgae under a specific stress condition, crushing and extracting active ingredients. Experiments show that the salt stress resistance of crops can be remarkably improved by applying the salt stress resistant agent to crop seeds in a vernalization stage: in a 0.5% NaCl salt stress environment, the germination potential of arabidopsis seeds is improved to 65.74%, and the length of main roots of seedlings is doubled compared with that of a salt stress group. The preparation technology is green and efficient, inhibition of soil salinization on crop growth can be effectively relieved, a novel solution is provided for saline-alkali soil improvement and crop yield increase, and good application prospects are achieved.

Multi-pond constructed wetland system construction method based on rhizosphere synergistic symbiosis and application thereof

Resumen de: CN122079359A

The invention provides a multi-pond constructed wetland system construction method based on rhizosphere synergistic symbiosis and application thereof, and relates to the technical field of ecological environment remediation, and the method specifically comprises the following steps: respectively preparing an engineering algal strain A with laccase displayed on the surface and an engineering algal strain B with non-specific nuclease displayed on the surface; mixing the two according to a ratio to prepare a composite microalgae microbial inoculum; inoculating the prepared composite microalgae fungicide into a shallow pond at the front end of a wetland to construct a photocatalytic microalgae pretreatment unit; submerged plants are planted in symbiotic ponds which are arranged in series after pretreatment units, and bacterial laccase and non-specific nuclease are anchored on the cell surfaces of different synechococcus by adopting a multi-pond artificial wetland system construction method for rhizosphere synergetic symbiotic and utilizing a synthetic biology surface display technology, so that the synechococcus can be rapidly and efficiently constructed. The problems that the matrix adsorbs phosphorus and is easy to saturate and short in service life due to insufficient carbon source when the existing constructed wetland is used for treating tail water of a sewage plant are solved, and the defects of the existing single ecological restoration technology are overcome.

Preparation method of schizochytrium limacinum DHA based on pH response type microcapsules and spray freeze drying preparation system of schizochytrium limacinum DHA

Resumen de: CN122074660A

The invention relates to the field of microalgae functional component preparation, in particular to a schizochytrium limacinum DHA (docosahexaenoic acid) preparation method based on a pH response type microcapsule and a spray freeze drying preparation system of the schizochytrium limacinum DHA. By combining a synergistic process of nano atomization, liquid nitrogen shock cooling, vacuum sublimation drying and the like, the problems that the schizochytrium limacinum DHA microcapsule is easy to oxidize and inactivate, gastrointestinal tract release is not targeted, and a traditional freeze-drying process is long in period and low in efficiency are solved.

Wastewater purification device for immobilized beneficial microorganisms and algal-bacterial symbionts

Resumen de: CN224279951U

The utility model relates to the technical field of wastewater purification, in particular to an immobilized beneficial microorganism and algal-bacterial symbiont wastewater purification device which comprises a floating box, a floating mechanism is arranged on the floating box, a mounting groove is formed in the top end of the floating box, a net-shaped frame is arranged on the mounting groove, a microorganism immobilization carrier is filled in the net-shaped frame, and the microorganism immobilization carrier is arranged in the mounting groove. A woven nylon net is arranged at the top end of the net-shaped frame, microalgae are loaded in the woven nylon net, and a through groove is formed in the bottom end of the floating box. According to the structure, through the synergistic effect of bacteria and algae, organic matter can be effectively removed, eutrophication factors such as nitrogen and phosphorus can be synchronously removed, and certain adsorption and enrichment effects on heavy metal are achieved; the comprehensive wastewater treatment effect is improved, the pressure of a subsequent deep treatment link is reduced, and the overall treatment cost is reduced.

Preparation method of nano cellulose selenium-protecting tablet

Resumen de: CN122074668A

The invention relates to a preparation method of nanocellulose selenium-protecting tablets, and belongs to the technical field of health-care foods and pharmaceutical preparations. Aiming at the problems of poor selenium element stability, non-uniform bioavailability, poor taste and the like of the existing selenium-rich supplement, the invention provides a solution which takes natural nano cellulose as an embedding material and a skeleton. According to the technical scheme, the method comprises the following steps: preparing a nanocellulose dispersion liquid; mixing with selenium-enriched pellet microalgae to form an embedding mixed solution; performing vacuum freeze drying and low-temperature crushing to obtain composite powder; mixing the composite powder with konjac powder, a filling agent, a disintegrating agent, a flavoring agent and a lubricating agent; and finally pressing into tablets. The method is mainly used for preparing a selenium-rich tablet product which is high in stability, high in bioavailability, good in taste and easy to take.

Microalgae capable of adsorbing bornyl acetate chitosan nanoparticles as well as preparation method and application of microalgae

Resumen de: CN122070937A

The invention relates to the technical field of biological medicine, in particular to microalgae adsorbing bornyl acetate chitosan nanoparticles and a preparation method and application thereof. The microalgae capable of adsorbing the bornyl acetate chitosan nanoparticles disclosed by the invention comprises the following components: bornyl acetate, chitosan and spirulina platensis, the bornyl acetate is wrapped in the chitosan, and the bornyl acetate and the chitosan jointly form composite nanoparticles; the composite nanoparticles are adsorbed on the surface of the spirulina platensis through electrostatic interaction. Compared with single bornyl acetate, the microalgae adsorbing the bornyl acetate chitosan nanoparticles has a better anti-inflammatory effect and an intestinal retention effect.

KGP1-12 Novel Chlorella sp. KGP1-12 microalgae that produces high levels of polyhydroxyalkanoate and method for inducible production of polyhydroxyalkanoate using thereof

Resumen de: KR20260071903A

본 발명은 폴리-3-하이드록시부티레이트(Poly-3-hydroxybutyrate, PHB) 및 이를 단량체로 하는 폴리하이드록시알칸산(Polyhydroxyalkanoate, PHA) 생산에 이용되는 신규 클로렐라 속 KGP1-12 미세조류에 관한 것으로, 보다 상세하게는 신규 클로렐라(Chlorella sp.) KGP1-12 미세조류; 상기 미세조류를 포함하는 폴리-3-하이드록시부티레이트 및/또는 폴리하이드록시알칸산 생산용 조성물; 상기 미세조류를 배양하여 폴리-3-하이드록시부티레이트 및/또는 폴리하이드록시알칸산을 생산하는 방법을 제공한다.

Fungus fungicide and application thereof in algae crust

Resumen de: CN122060501A

The invention discloses a fungal inoculant and application thereof in algae crust, and belongs to the field of microorganisms. The technical problem to be solved by the invention is how to construct the algae crust. The application of the fungal inoculant in the algal crust comprises the following steps: inoculating deep-color endophytic fungi and microalgae to the surface layer of soil to be remediated, and culturing to realize the construction of the algal crust; the deep-color endophytic fungi are bacterial strains with the preservation number of CGMCC (China General Microbiological Culture Collection Center) No.17463 in the China General Microbiological Culture Collection Center; the microalgae is composed of Microcoleus sp., Scenedesmus sp. And Chlorella sp., and the microcoleus sp., the Scenedesmus sp. And the Chlorella sp. Are used in the method. According to the method, rapid formation of algae crust and improvement of soil carbon accumulation are successfully realized, the key technical problems of long crust period, poor adaptability and the like are solved, and the purpose of ecological restoration of degraded soil in an arid and semi-arid mining area is favorably realized.

Biomass-recoverable bacteria-algae membrane aeration biological membrane sewage treatment equipment and application thereof

Resumen de: CN122059539A

The invention provides a biomass recoverable bacteria-algae membrane aeration biological membrane sewage treatment device and application thereof. The system comprises an internal and external bidirectional lighting device, a ferromagnetic microalgae collection scraper, a pool wall cleaning device, and an annular membrane aeration biological membrane, a micro-aeration device and a water circulation device which are arranged in a cylindrical reactor. The two-way lighting devices are arranged on the inner side and the outer side of the ring layer, microalgae grow on the ring layer annular biological membrane assembly in an attached mode, a strong magnetic microalgae collecting scraper blade is specially arranged, and the micro-aeration device and the water circulation device are arranged below the device and are in a ring-shaped uniform water distribution mode. The system is used for treating high-ammonia-nitrogen organic wastewater and also can be used for treating wastewater containing novel pollutants such as antibiotics, compared with the prior art, the system has the advantages of uniform water distribution, good light transmission, high space utilization rate, convenience in installation and the like, and the whole system is stable and efficient in operation and good in sewage treatment effect and has a very good development and application prospect.

Method integrating microalgae lipid accumulation promotion, algae cell flocculation and lipid extraction

Resumen de: CN122059871A

The invention discloses a method integrating microalgae lipid accumulation promotion, algae cell flocculation and lipid extraction, and belongs to the field of bioengineering and energy. An AIE group is used as a main body structure, positive charges and hydrophobic chains are modified through quaternization, so that AIE molecules can be combined with algae cells through electrostatic interaction and hydrophobic interaction, and lipid accumulation of the algae cells is promoted by improving the light energy utilization rate of the algae cells. Furthermore, integration from lipid synthesis to extraction is realized based on the positive charge and active oxygen generation performance of molecules.

Device for continuously culturing fresh water microalgae indoors at constant temperature

Resumen de: CN224258605U

The utility model provides a device for continuously culturing fresh water microalgae indoors at constant temperature. According to the device, a cross beam and a hanging frame are installed at the top of each main frame, breeding bags are correspondingly hung on the two sides of each hanging frame, a pH value detector and an air inlet pipe are arranged in each breeding bag, a monitoring alarm box is installed on the main frame at the end, and an upper light bar and a lower light bar are installed on the two sides of each main frame and correspond to each breeding bag. Sewage discharge grooves are formed in the ground at the two outer ends of the main frame, the bottom of each culture bag is communicated with a liquid conveying mechanism, and an algae liquid conveying mechanism is arranged on the ground at the inner end of the main frame. The buffer tank is provided with a non-contact liquid level monitor, a material pipe, a material pipe electromagnetic valve and a buffer tank electromagnetic valve; and the main conveying pipe is provided with a segmented electromagnetic valve, a connecting straight pipe and a branch pipe electromagnetic valve. According to the device, the culture bags are connected in series to culture the freshwater microalgae, the liquid conveying mechanism is used for unified conveying, the structure is simple and practical, the automation degree is high, the equipment investment cost is low, and the yield of the freshwater microalgae is high.

Method for preparing the microalgae-derived exosome analogue and composition for improving immunity comprising the same

Resumen de: KR20260070008A

본 발명은 미세조류 유래 엑소좀 유사체 제조방법, 이로부터 제조된 엑소좀 유사체 및 이를 포함하는 면역 증강용 조성물에 관한 것으로, 본 발명의 방법은 미세조류 유래 엑소좀 유사체를 효율적으로 생산할 수 있으며, 본 발명의 미세조류 유래 엑소좀 유사체는 베타글루칸을 포함하고 있는 바, 베타글루칸의 낮은 용해도 문제를 해결할 수 있으며 면역 증강 효과가 우수하여 의약품, 건강기능식품 또는 화장료 조성물로 활용될 수 있다.

Chlorella pyrenoidosa mutant strain J-1 with high biomass and high photosynthetic efficiency as well as construction method and application of chlorella pyrenoidosa mutant strain J-1

Resumen de: CN122038129A

The invention relates to the technical field of microalgae biology, in particular to a high-biomass and high-photosynthetic-efficiency chlorella pyrenoidosa mutant strain J-1 which is obtained by mutagenizing wild type chlorella pyrenoidosa through an atmospheric pressure room temperature plasma (ARTP) mutagenesis technology and combining an efficient screening strategy. When the strain is cultured for 4 days under a standard autotrophic condition, the biomass reaches 1.23 mg/mL, the OD750 reaches 6.27, and when the strain is cultured for 5 days under a high light stress condition, the OD750 reaches 16.70; according to the invention, the growth performance is obviously enhanced: the biomass of J-1 is higher than that of WT under autotrophic, mixotrophic or heterotrophic conditions, and the biomass of a J-1 mutant strain reaches 1.23 mg/mL and is increased by 53.8% compared with that of a wild type (0.80 mg/mL) after the J-1 mutant strain is cultured for 4 days under a standard autotrophic condition (50 mu mol * m <-2 > * s <-1 >); the OD750 reaches 6.27 and is higher than 5.75 of a wild type, the OD750 reaches 2.18 mg/mL (WT is 1.75 mg/mL) on the fourth day of mixotrophic culture, the OD750 reaches 1.39 mg/mL (WT is 1.05 mg/mL) on the fourth day of heterotrophic culture, and it is indicated that biomass can be efficiently accumulated in different nutritional modes.

Method for improving fucoxanthine yield by adopting nutrition mode switching

Resumen de: CN122038128A

The invention relates to a high-fucoxanthine algae cell culture method, which realizes rapid accumulation of fucoxanthine by adjusting the nitrogen-carbon ratio and starvation culture transition in the microalgae growth process and the fucoxanthine accumulation process, and finally obtains microalgae cells with high fucoxanthine content.

Separation and extraction method and application of algicidal active ingredients of glycothrix fermentation product

Resumen de: CN122038167A

The invention relates to a separation and extraction method and application of algicidal active ingredients of a saccharothrix fermentation product, and belongs to the field of separation and extraction of microbial fermentation products. The preparation method comprises the following steps: preparing a seed solution, carrying out fermentation culture, carrying out 90% absolute ethyl alcohol precipitation, redissolving and the like, and separating an algae-lysing active component from a fermentation product of saccharothrix violaracirubra NBAL-S001 of which the preservation number is CCTCC (China Center for Type Culture Collection) NO: M20241734, so as to obtain the algae-lysing active component, wherein the algae-lysing active component is prepared from the fermentation product of the saccharothrix violaracirubra NBAL-S001; the mass percent of total polysaccharides of the component is at least 78%, monosaccharides comprise mannose, ribose, rhamnose, glucose, galactose and arabinose, the mass percent of the glucose is larger than 80%, and the glucose is a water-soluble non-protein substance and has a remarkable inhibiting effect on microcystis aeruginosa. The extraction method provided by the invention is simple and convenient in steps, low in cost, high in extraction efficiency and capable of realizing large-scale production; the active ingredients are good in algae-lysing effect, environment-friendly and free of secondary pollution, and an efficient technical scheme is prov

AUDITORY SUPPLEMENTS CONTAINING MICROALGAE EXTRACTS

Resumen de: KR20260069186A

본 발명은 미세조류 추출물을 함유하는 청각 기능 보충제에 대한 것으로서, Limnothrix종 KNUA002 균주를 통해 추출된 미세조류 추출물인 스피루리나를 함유하여, LDL-C 수치, HDL-C 수치 등 다양한 대사 지표를 개선하고, IL-6 수치와 대사증후군 개별 위험 요인이 개선되도록 하며, 특히 복용자의 청각 기능이 개선되도록 한다.

High carbon sequestration type composite microalgae aquaculture auxiliary preparation

Resumen de: CN122036074A

The invention relates to a high carbon sequestration type composite microalgae aquaculture auxiliary preparation which is characterized in that the high carbon sequestration type composite microalgae aquaculture auxiliary preparation is formed by compounding 3-5 types of microalgae species, a microalgae auxiliary agent and a microalgae protection auxiliary agent, the microalgae species comprise 2-3 microalgae species with high carbon sequestration efficiency and 1-3 local algae species adapted to an aquaculture water body, the total proportion of the microalgae species with high carbon sequestration efficiency is 40-60%, and the total proportion of the microalgae species with high carbon sequestration efficiency is 1-3%. The total proportion of the local algae species is 20%-40%; the total ratio of the raw materials is 76.1%-96.5%; the ratio of the microalgae auxiliary agent is 1.6%-5.5%; and the ratio of the microalgae protection auxiliary agent is 1.9%-18.4%. The preparation has the advantages of solving the problems of poor environment adaptability, single function, inconvenience in storage and throwing and the like of the existing preparation, realizing the synergistic interaction of carbon sequestration and carbon reduction, water purification and bait replacement, reducing the breeding cost and assisting green breeding.

Petroleum hydrocarbon degrading bacterium and microalgae co-culture system, construction method and application

Resumen de: CN122038374A

The invention discloses a petroleum hydrocarbon degrading bacterium and microalgae co-culture system, a construction method and application, and belongs to the technical field of marine environment bioremediation, the system is formed by mixing and embedding alcanivorans, rhodococcus, dunaliella salina and chlorella in a dry weight ratio of 3: 1 in sodium alginate gel microspheres, photosynthetic oxygen supply of microalgae meets the aerobic degradation requirement, and the photosynthetic oxygen supply of microalgae meets the aerobic degradation requirement. COs generated by metabolism of degrading bacteria are used for carbon sequestration of microalgae, self-sufficiency metabolic circulation is formed, bacteria and algae space layering and day and night metabolism complementation are achieved through gel microspheres, the 21-day degradation rate of the co-culture system to diesel oil reaches 82% or above and is increased by 35% compared with single bacteria treatment, exogenous nutritive salt and aeration are not needed, and the co-culture system is suitable for in-situ remediation of marine oil spill.

Microalgae biofilm carrier with conductive coating and preparation method thereof

Resumen de: CN122038372A

The invention relates to the field of microalgae efficient culture and wastewater recycling treatment, in particular to a microalgae biofilm carrier with a conductive coating and a preparation method of the microalgae biofilm carrier. The preparation method comprises the following steps: adding carbon quantum dots into poly (3, 4-ethylenedioxythiophene)-poly (styrenesulfonic acid), adding a reagent for promoting material adhesion, and uniformly mixing to obtain a suspension; soaking the substrate in a surface tension adjusting reagent, and then drying to obtain a modified substrate; and spin-coating the suspension on the surface of a modified substrate, and then sequentially cleaning and freeze-drying to obtain the microalgae biofilm carrier. Compared with a traditional microalgae biofilm carrier, the microalgae biofilm carrier has higher electron conduction efficiency, is more beneficial to attachment of microalgae organisms, can improve the extracellular electron transfer efficiency of the microalgae and the photosynthesis rate of the microalgae, and promotes rapid formation of a microalgae biofilm.

Method for controlling algae by using young silver carps and bighead carps

Resumen de: CN122030302A

The invention provides a method for controlling algae by using young silver carps and bighead carps, and relates to the technical field of ecological restoration of water bodies. The method provided by the invention comprises the following step: the weights of fry of the young silver carp and the bighead carp are both 5-9g. According to the method, the young silver carps and the bighead carps are adopted for controlling algae, the growth speed of the young silver carps and the bighead carps is high, the fry source is wide, the cost is relatively low, and a large amount of food is needed in the growth process to meet the energy requirement. The algae control capability of the young silver carps and bighead carps is evaluated through a system, it is determined that the content of chlorophyll a in water can be remarkably reduced through the method, and the control effect of the young silver carps and bighead carps on cyanobacterial bloom is clear.

Light guide optimization device and method for photobioreactor

Resumen de: CN122038096A

The invention discloses a device for light guide optimization of a photobioreactor, and relates to the field of microbiological devices. The device comprises a water-light lamp main body and a circulating water pump device, the water-light lamp main body is a transparent tubular container, a point light source incident port, a water outlet and a water inlet are formed in the water-light lamp main body, and nano silicon dioxide water suspension is contained in the water-light lamp main body; the circulating water pump device is connected with the water lamp body through a water pipe to achieve circulating flowing of turbid liquid. A point light source is converted into an area light source through turbid liquid scattering, the problems that an existing light guide device is low in side wall light emitting intensity and uneven in light distribution are solved, scattering stability is guaranteed, the microalgae and photosynthetic bacterium culture efficiency is improved, and the light guide device is simple in structure, high in adaptability and easy to popularize on a large scale.

Method and device for improving acidified soil by using nitrogen-fixing cyanobacteria

Resumen de: CN122030033A

The invention discloses a method and device for improving acidified soil by using nitrogen-fixing cyanobacteria, the device comprises a culture tank, the outer wall of the culture tank is provided with an extension part, the top of the extension part is fixedly provided with a fixed cover, the inner bottom of the culture tank is fixedly provided with a waterproof motor, and the output end of the waterproof motor is fixedly provided with a stirring rod; a flexible silica gel paddle is arranged on the outer wall of the end part of the stirring rod, an aeration assembly is arranged on the culture tank, and the aeration assembly comprises an annular microbubble aeration pipe fixedly mounted on the inner wall of the culture tank; the device has the beneficial effects that the flexible silica gel paddle is matched with the low-speed waterproof motor and the annular micro-bubble aeration assembly, so that the dual effects of mechanical stirring and air-lift uniform mixing are realized, algae clusters can be thoroughly scattered, the algae liquid is uniform, the damage of high-speed hard stirring to algae cells is completely avoided, the activity of nitrogen-fixing blue-green algae is retained to the maximum extent, and the nitrogen-fixing effect of the nitrogen-fixing blue-green algae is improved. The survival rate of the algae is greatly improved.

Soothing and repairing complex applicable to sensitive skin as well as preparation method and application of soothing and repairing complex

Resumen de: CN122005370A

The invention relates to a soothing and repairing complex suitable for sensitive skin and a preparation method and application thereof, and belongs to the technical field of cosmetics. The soothing and repairing complex provided by the invention is prepared by coating the surface of microalgae extracellular vesicles with stachyose, astragalus polysaccharide and galactoglucan, the four raw material components cooperate with one another to play a role, and the soothing and repairing complex has the advantages that the soothing and repairing complex aims at a passive fragile state caused by skin immune system imbalance and low tolerance threshold; the saccharide-extracellular vesicle compound is used for simulating mild regulation on a skin immune system, so that the resistance of skin to external environment pressure is systematically improved on the premise of no stimulation risk, and the transformation from passive damage-repair to active defense-toughness is realized; the problems that sensitive skin is easy to stimulate and repeatedly red, the barrier function is weak and the like are fundamentally improved.

Complex microbial inoculant and application thereof in improvement of saline-alkali soil and promotion of alfalfa growth

Resumen de: CN122012268A

The invention relates to the technical field of microorganisms, in particular to a complex microbial inoculant and application thereof in improvement of saline-alkali soil and promotion of alfalfa growth. And the complex microbial inoculants comprise pickle bacillus amyloliquefaciens HM-1 and salt-tolerant nitrogen-fixing cyanobacteria HH0518. According to the method, the pickle bacillus oceanae HM-1 and the salt-tolerant nitrogen-fixing cyanobacteria HH0518 are jointly applied, crop growth and soil health are improved through the synergistic effect of a biological symbiotic system, the method has the advantages of being environmentally friendly, low in consumption, sustainable and the like, and the economic, feasible and efficient biological remediation method for improving the saline-alkali soil is provided; a new biotechnology path is provided for agricultural ecological restoration, and the method has important application value for realizing efficient utilization of saline-alkali soil resources and agricultural green development.

Suspension type composite double-layer culture bag for freshwater microalgae culture

Nº publicación: CN224227020U 12/05/2026

Solicitante:

JINGZHOU NATURAL SHRIMP QINGSU CO LTD
\u8346\u5DDE\u5E02\u5929\u7136\u867E\u9752\u7D20\u6709\u9650\u516C\u53F8

Resumen de: CN224227020U

The utility model provides a suspension type composite double-layer culture bag for freshwater microalgae culture. A hanging piece is fixedly connected to the top of a composite bag body of the composite double-layer culture bag, a through hole is formed in the hanging piece, a pH value detector inlet pipe is arranged on the side upper portion of the composite bag body, an air inlet connecting pipe is arranged on the side lower portion of the composite bag body, a liquid inlet and outlet pipe is fixedly installed at the bottom of the composite bag body, and external threads are arranged at the end of the liquid inlet and outlet pipe. The liquid inlet and outlet pipe is in threaded connection with the connecting straight pipe through external threads, the electromagnetic valve is installed on the connecting straight pipe, and the other end of the connecting straight pipe is communicated with the main material pipe. According to the culture bag, a plurality of culture bags can be hung on the cross beam at the same time to increase the culture area of fresh water microalgae, mixed gas mixed with carbon dioxide is conveyed into the culture bags to guarantee a carbon source needed by growth of the fresh water microalgae, the pH value of algae liquid in the culture bags is adjusted by adjusting the input amount of the carbon dioxide, and the culture bag is simple and practical in structure and convenient to use. Operation and management are very convenient, slight corrosion can be