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Modified corncob as well as preparation method and application thereof

Resumen de: CN120097524A

The invention belongs to the technical field of environmental restoration and biology, and discloses a modified corncob as well as a preparation method and application thereof. According to the method, a mixed solution of NaOH and acetyl bromide is used for modifying corncobs, lignin in the corncobs is removed through alkalization pretreatment in the modification process, the porosity and the specific surface area of the corncobs are increased, and meanwhile, acetyl bromide is adopted for treatment, so that the adsorption capacity and the immobilization efficiency of the corncobs to microalgae are enhanced. The modified corncob can be crosslinked with an exogenous polymer (EPS) secreted by the microalgae, so that the microalgae can be stably attached and survive for a long time, and the application effect of the corncob in wastewater treatment and ecological restoration is improved. The invention provides an efficient and sustainable biological immobilization technology, provides a new technical path for water pollution treatment and ecological restoration, and has a wide application prospect.

Agricultural non-point source pollution control system and method based on nitrogen-fixing cyanobacteria

Resumen de: CN120097757A

Agricultural non-point source pollution is caused by runoff of fertilizers and pesticides in farmland, and especially the problem of water eutrophication caused by nitrogen and phosphorus pollution is serious. Traditional pollution control measures such as reduction of chemical fertilizer consumption and construction of physical isolation belts are limited in effect and high in cost. Nitrogen-fixing cyanobacteria can fix nitrogen in the atmosphere and absorb nitrogen in water, so that the nitrogen-fixing cyanobacteria is considered to be a potential natural agricultural pollution control tool. The invention aims to provide an agricultural non-point source pollution control system based on nitrogen-fixing cyanobacteria and an application method thereof, so as to efficiently replace part of chemical fertilizers, reduce agricultural non-point source pollution, improve soil fertility and promote healthy growth of crops.

Photobioreactor

Resumen de: CN120098752A

The photobioreactor comprises a box body, a light source assembly and an aeration module, a containing cavity is formed in the box body, the light source assembly is detachably arranged in the containing cavity, a light source is arranged in an outer cylinder, the outer wall of the outer cylinder gradually inclines towards the box body from bottom to top, and an aeration pipe is located below the light source assembly. When the aeration pipe performs upward aeration, as the outer wall of the outer cylinder is in an inclined state, bubbles always rise along the outer wall surface of the box body, so that the bubbles strongly scour the outer wall of the outer cylinder in the rising process to prevent microalgae from growing on the outer wall of the outer cylinder in a wall-attached manner, and light generated by the light source assembly can penetrate through the outer cylinder to be emitted out. The light source assembly is arranged in the reactor, so that the effectiveness of illumination during long-term microalgae culture in the reactor is ensured, the light availability is improved, the microalgae can grow under sufficient illumination, the yield of the microalgae is improved, the illumination intensity of the light source assembly does not need to be improved, and the culture cost of the microalgae is reduced.

Device for treating aquaculture tail water by utilizing marine microalgae and treatment method thereof

Resumen de: CN120097592A

The invention provides a device for treating aquaculture tail water by utilizing marine microalgae and a treatment method thereof, and belongs to the technical field of aquaculture tail water. The device comprises a box body, a pretreatment mechanism and a purification mechanism, a pretreatment bin, a waste collection bin, a purification bin, a first precipitation bin, a second precipitation bin and a third precipitation bin are arranged in the box body, the pretreatment mechanism is installed in the pretreatment bin, and the pretreatment mechanism comprises a filter cartridge and a first rotating shaft; the filter cartridge is rotatably mounted in the pretreatment bin, and a gear ring is fixedly mounted on the surface of the filter cartridge. By arranging the pretreatment mechanism, tail water is introduced into the filter cartridge, suspended matters and organic matters in the tail water are filtered, the subsequent purification efficiency is improved, the filter cartridge is driven by the motor to rotate, impurities accumulated on the inner wall of the filter cartridge are fed into the waste collection bin through a spiral blade to be collected, use is convenient, water is fed into a branch pipe through a water pump, and the water treatment efficiency is improved. The surface of the filter cartridge is spray-washed by the nozzle, so that the filter cartridge is prevented from being blocked by impurities, and the filtering effect is ensured.

Pollution and carbon reduction method for rare earth ammonia nitrogen wastewater by utilizing microalgae closed reaction

Resumen de: CN120097520A

The invention discloses a method for reducing pollution and carbon in rare earth ammonia-nitrogen wastewater by utilizing a microalgae closed reaction. The method comprises the following steps: preparing an ammonia-nitrogen wastewater culture medium, inoculating microalgae, pressurizing CO2 in a reactor, regulating and controlling culture and monitoring and harvesting. According to the invention, the waste gas CO2 discharged in the rare earth production process can be effectively utilized, a cheap carbon source is provided for an ammonia nitrogen biological removal system, meanwhile, carbon reduction and decontamination are realized, and the defect that in the current technical scheme, the biological removal of ammonia nitrogen needs to additionally provide commercial carbon nutrition for the system is overcome; the reactor runs under the micro-positive pressure condition, CO2 gas mass transfer is enhanced, a sufficient carbon source is provided for microalgae growth, system escape of ammonia nitrogen and CO2 is avoided, and the defects that in the current technical scheme, the ammonia nitrogen recycling effect is poor, and ammonia nitrogen escapes are overcome.

MEDIUM ADDITIVE FOR CULTURING CULTURED MEAT, CELL CULTURE MEDIUM FOR CULTURING CULTURED MEAT COMPRISING SAME, AND METHOD FOR CULTURING CULTURED MEAT USING SAME

Resumen de: WO2025116258A1

The present invention relates to an invention utilizing a microalgae extract as a medium additive for culturing cultured meat. More specifically, the present invention uses an extract of chlorella, which is a kind of microalgae, as a medium additive component, thereby making it possible to effectively induce cross-differentiation from muscle stem cells into adipocytes and provide cultured meat having improved flavor by inducing cells in which muscle fat is present at the same time. In addition, the use of the medium additive of the present invention replaces fetal bovine serum, which is a culture medium component for cultured meat, or is used in combination with fetal bovine serum, thereby enabling a reduction in the use of expensive fetal bovine serum and enhancing the culture effect of cultured meat, thus providing cultured meat having excellent cost effectiveness.

G1-5 Compositions for anti- inflammation comprising an extract of microalgae Nannochloropsis sp. G1-5

Resumen de: KR20250080358A

본 발명은 미세조류 나노클로롭시스 속 G1-5(Nannochloropsis sp. G1-5) 균주의 메탄올 추출물을 유효성분으로 포함하는 항염증용 조성물에 관한 것으로, 나노클로롭시스 속 G1-5(Nannochloropsis sp. G1-5) 균주의 메탄올 추출물은 LPS로 자극을 준 RAW264.7 세포에서 산화질소(NO) 생성을 현저히 억제하고, 산화질소 합성효소(iNOS) 및 프로스타글란딘 합성효소 COX-2 발현을 억제하며, 전염증성 사이토카인인 TNF-α, 인터루킨-6(IL-6) 발현을 억제하는 항염증 효과를 나타내는 것을 확인함으로써, 나노클로롭시스 속 G1-5(Nannochloropsis sp. G1-5) 균주의 메탄올 추출물은 항염증용 조성물로 제공될 수 있으며, 질소산화물(NO) 생성 억제용 시약, 유도성 질소산화물 합성효소(iNOS) 발현 억제용 시약, COX-2 발현 억제용 시약, 염증성 사이토카인 발현 억제용 시약으로도 제공된다.

CULTURE DEVICE

Resumen de: US2025179407A1

A culture device comprises an accommodation part which is capable of accommodating a culture solution and a microalgae, and a plurality of guide parts which are provided to the accommodation part. A guide part has a main body part and a ceiling part which is provided to an upper end of the main body part. In the main body part, a gas is supplied to a lower end which faces a bottom part of the accommodation part. The ceiling part directs the gas from the guide part in one direction in the width direction of the accommodation part.

GLASS NOODLES WASTEWATER TREATMENT PROCESS BASED ON MICROALGAE

Resumen de: WO2025112477A1

The present invention relates to a glass noodles wastewater treatment process based on microalgae, belonging to the technical field of microbial wastewater treatment. Chlorella sorokiniana NZ1 and Monoraphidium sp. NZ4 are selected. An analysis of experiment results shows that when Chlorella sorokiniana NZ1 and Monoraphidium sp. NZ4 are subjected to mixed culturing, the biomass of both in the wastewater reaches the highest level. At the same time, the removal rates of water quality indicators also exhibit the most significant improvement; specifically, the removal rates of COD, TN, ammonia nitrogen, and TP can respectively reach 83.4%, 91.19%, 81.51%, and 78.71%. Thus, it can be concluded that subjecting the algal strains NZ1 and NZ4 to mixed culturing is the most effective glass noodles wastewater treatment method.

Vegetable-Based Food Product

Resumen de: US2025176603A1

A vegetable-based food product for use in chronic autoimmune thyroiditis (Hashimoto's disease) is described. It includes a mixture of cooked or steamed vegetables, nuts, herbs and water. It contains steamed broccoli and Brazil nuts and olive oil with omega-3 hemp oil and thyme and parsley and onion and black mustard and black cumin and garlic and curcumin and/or piperine and beta-glucans as a source of selenium from Shitake mushrooms (Lentinula edodes) along with a liquid extract of microalgae containing omega-3 acids and MCT (oil powder) and inulin and is enriched with a functional additive in the form of a highly concentrated vegetable protein isolate.

METHOD FOR DETERMINING OUTER MEMBRANE DETACHMENT IN CYANOBACTERIUM, DEVICE FOR DETERMINING OUTER MEMBRANE DETACHMENT IN CYANOBACTERIUM, AND PROGRAM

Resumen de: EP4563707A1

The present disclosure provides a method for determining deprivation of an outer membrane of a cyanobacterium with which whether an outer membrane is deprived from a cell wall can be readily determined. The method for determining deprivation of an outer membrane of a cyanobacterium according to the present disclosure includes a measurement step (S01) in which a concentration of at least one amino acid selected from the group consisting of isoleucine, leucine, tyrosine, and phenylalanine in a culture supernatant of a cyanobacterium is measured and a determination step (S02) in which whether an outer membrane of the cyanobacterium is deprived from a cell wall of the cyanobacterium is determined on the basis of the concentration of the at least one amino acid, the concentration being measured in the measurement step.

Application of nitrogen-fixing cyanobacteria in degradation of thiamethoxam in water body

Resumen de: CN120081507A

The invention discloses an application of nitrogen-fixing cyanobacteria in degrading thiamethoxam in water, which comprises the following steps: inoculating nitrogen-fixing cyanobacteria Nostoc sp.PCC7120 into a liquid culture medium, and pre-culturing to a logarithmic phase to obtain a first cyanobacteria solution; inoculating the first algae solution into a new liquid culture medium to obtain a second algae solution; and adding the second algae liquid into the thiamethoxam polluted water body for degradation so as to remove thiamethoxam. The nitrogen-fixing cyanobacteria Nostoc sp.PCC7120 can efficiently degrade and convert thiamethoxam in a water body, secondary pollution is not prone to being generated, the Nostoc sp.PCC7120 serves as the nitrogen-fixing cyanobacteria beneficial to the environment, thiamethoxam pollutants are degraded, meanwhile, a nitrogen source in the polluted environment can be improved through photosynthesis and nitrogen fixation, and the Nostoc sp.PCC7120 is easy to obtain, high in growth and reproduction speed, low in cost and suitable for application and popularization.

Cultivation nutrient solution suitable for directionally improving maximum water-holding capacity of coral island calcareous sand cyanobacteria crust

Resumen de: CN120082473A

The invention discloses a culture nutrient solution suitable for directionally improving the maximum water-holding capacity of coral island calcareous sand cyanobacteria crust. The culture nutrient solution contains 25g/L of glucose, 0.025 g/L of sodium dihydrogen phosphate, 0.1 g/L of potassium chloride, 0.05 g/L of magnesium chloride, 0.1 g/L of sodium nitrate, 0.005 g/L of ferrous chloride and the balance of water. Based on the cyanobacteria crust collected in situ, the hydrological characteristics of the cyanobacteria crust from the coral island calcareous sand are directionally improved by utilizing the artificially prepared culture nutrient solution, so that the development of the cyanobacteria crust can be promoted, the maximum water holding capacity of the crust can be improved, the use amount of an inoculation material is saved, the influence on the environment is reduced, and the economic benefit is increased. Therefore, the accumulation capacity of fresh water in the coral island is improved, a good material foundation is laid for change of an ecological environment system of the coral island, and the method has wide application value.

Pipeline type algae cultivation device

Resumen de: CN222935406U

The utility model relates to a pipeline type algae cultivation device which comprises a movable seat, a dissolved air tank and a circulating pump, side frames are arranged on two sides of the top of the movable seat, illumination sensors and controllers are arranged on the side frames, coiled pipes are arranged in the two side frames, fluorescent lamps are arranged on the side frames, the dissolved air tank is arranged on the side frames, one ends of the coiled pipes are connected to the top of the dissolved air tank, and the other ends of the coiled pipes are connected to the bottom of the dissolved air tank. An aeration pipe and a carbon dioxide sensor are arranged at the bottom in the dissolved air tank, the aeration pipe is connected with a carbon dioxide storage bottle arranged on the movable seat, and an electromagnetic valve connected to the aeration pipe is arranged on the carbon dioxide storage bottle; the controller is electrically connected to the illumination sensor, the fluorescent lamp, the carbon dioxide sensor and the electromagnetic valve. According to the utility model, microalgae are cultivated in the circulating pipeline, interference of external germs and pollution of other pollutants can be effectively reduced when people enjoy natural sunlight during outdoor cultivation, and when the light is insufficient, the fluorescent lamp can be used for supplementing light in time.

Porous Resin and Collection Device for Collecting Microalgae

Resumen de: KR20250077834A

본 발명은 미세조류를 포집하는 다공성 수지와 포집장치에 대하여 개시한다. 본 발명은 미세조류가 포함된 용수를 흡입하여 소정의 위치에 공급하는 동력부재; 상기 용수의 통과 시 포함된 미세조류가 포집되는 미세한 간격이 구비된 다공성수지로 형성되는 포집부재; 상기 포집부재가 내부 적재실에 장착되는 지지프레임과, 상기 지지프레임의 상부 및 하부에 입수구와 출수구가 구비되는 채취부재;를 포함하는 구성으로 이루어진다.

Feed additive for optimizing nutritional ingredients of poultry eggs

Resumen de: CN120052467A

The invention relates to a feed additive for optimizing nutritional ingredients of poultry eggs. The feed additive comprises natural grains, soybean flavone, lotus leaves, microalgae and a microalgae extract. The feed additive comprises the following raw materials in percentage by weight: 20-70% of corn, 5-10% of wheat bran, 5-10% of soybean meal, 2-5% of soybean isoflavone, 5-10% of lotus leaf powder, 10-20% of spirulina powder, 5-10% of chlorella powder and 5-20% of haematococcus pluvialis. The preparation method comprises the following steps: fully stirring and uniformly mixing the components, sub-packaging, adding into laying fowl feed according to the proportion of 1-2wt%, fully and uniformly mixing, feeding laying hens, and domesticating and feeding for 2-3 weeks to obtain eggs rich in nutritional ingredients such as proteins, flavonoid compounds, algae source carotenoids, vitamins, inorganic salts and the like. Compared with common eggs, the egg yolk cholesterol content can be reduced by more than 1/4; the egg white and the yolk are clear in boundary, the yolk is orange red, the fishy smell is obviously smaller than that of common eggs, and the yolk tastes fine and smooth; the obtained feed additive has a remarkable optimization effect on nutritional ingredients of poultry eggs, meanwhile, the taste and quality are improved, and economic benefits are increased.

A METHOD OF PRODUCING KOMBUCHA WITH A HIGH CONTENT OF BIOACTIVE COMPOUNDS USING MICROALGAE DERIVATIVES

Resumen de: WO2025110939A1

The invention relates to a novel food with high bioactive compound content that can be used in the food industry and to a production method. The invention particularly relates to a method of producing a new food with a high content of bioactive compound by using edible microalgae and / or microalgae derivatives and a food obtained by this production method. In the present invention, the said food is in particular a beverage, more particularly a Kombucha tea beverage.

Microalgae incubator

Resumen de: CN222923128U

The utility model discloses a microalgae incubator and belongs to the technical field of incubators. The microalgae culture box comprises a box body, a containing cavity is formed in the box body, a plurality of partition plates are arranged in the box body at intervals in the first direction, and microalgae culture bottles are placed on the partition plates; the light source assembly is arranged on the side wall of the box body; the first pipeline assembly comprises a first main pipe and a plurality of first branch pipes, the plurality of first branch pipes are communicated with the first main pipe, one end of each first branch pipe is inserted into a culture solution of the microalgae culture bottle, and the first branch pipes are used for conveying carbon dioxide into the microalgae culture bottle; and the shaking table module is arranged at the bottom of the partition plate and is used for uniformly shaking the culture solution in the microalgae culture bottle. According to the utility model, the growth speed of the microalgae is increased, and the rapid cultivation of the microalgae is facilitated.

Method for degrading new pollutants through co-culture of microalgae and graphene oxide

Resumen de: CN120058125A

The invention belongs to the field of environmental governance and biology, and provides a method for degrading new pollutants through co-culture of microalgae and graphene oxide, which comprises the following steps: S1, preparing graphene oxide through a Hummers method, and carrying out ultrasonic dispersion pretreatment; s2, carrying out expanding culture on freshwater algae, namely the clostridium clostridium, in an SE culture medium to a logarithmic phase, collecting algae cells, and adjusting the algae cells to target density; s3, mixing the graphene oxide prepared in the step S1 with the algae liquid in the step S2, and carrying out co-culture under the conditions of illumination and shaking table; s4, adding wastewater containing new pollutants into the co-culture system, and removing the pollutants through the synergistic effect of the adsorption effect of graphene oxide and the metabolic degradation effect of microalgae; s5, regularly sampling and analyzing the concentration change of the pollutants, and evaluating the degradation efficiency; according to the method disclosed by the invention, through co-culture of the graphene oxide and the acuminate clobetosa and the synergistic effect of GO adsorption and algae degradation, the pollutants are thoroughly mineralized, the removal efficiency of the refractory pollutants is remarkably improved, and the application range is widened.

Preparation method and application of microalgae beta-1, 3-glucan-rosmarinic acid conjugate

Resumen de: CN120053675A

The invention belongs to the technical field of functional component delivery system preparation, and particularly discloses a preparation method and application of a microalgae beta-1, 3-glucan-rosmarinic acid conjugate. According to the invention, beta-1, 3-glucan is extracted from microalgae Poterioochromonas malhamensis, and the beta-1, 3-glucan and rosmarinic acid are subjected to a simple esterification reaction to prepare the microalgae beta-1, 3-glucan-rosmarinic acid, so that the yield of the microalgae beta-1, 3-glucan-rosmarinic acid is increased, and the yield of the microalgae beta-1, 3-glucan-rosmarinic acid is increased. The microalgae beta-1, 3-glucan-rosmarinic acid conjugate can improve the antioxidant activity, anti-inflammatory activity and bioavailability of the rosmarinic acid, slow down the release speed of the rosmarinic acid in gastrointestinal tracts and improve the release and anti-cancer activity of the rosmarinic acid in colon.

Lignocellulose pretreatment liquid biological detoxification and resource utilization method based on Chlorella sorokiniana

Resumen de: CN120061157A

The invention discloses a biological detoxification and resource utilization method for a lignocellulose pretreatment solution based on Chlorella sorokiniana, and belongs to the technical field of environmental protection. Microalgae are inoculated into lignocellulose pretreatment liquid, and toxic substances in the lignocellulose pretreatment liquid are subjected to biological detoxification. According to the present invention, with the application of the Chlorella sorokiniana, the furfural can be converted into the low-toxicity furfuryl alcohol, the furfuryl alcohol and the vanillin can be adopted as the organic carbon source so as to be used for biomass accumulation, the high value-added product can be produced, and the resource utilization of the lignocellulose pretreatment liquid can be achieved;

Method for harvesting bait microalgae and application thereof

Resumen de: CN120059957A

The invention relates to the field of microalgae organisms, and discloses a method for harvesting bait microalgae, which is characterized by comprising the following steps: (1) mixing diatomite and chitosan with a bait microalgae culture solution for flocculation; and (2) introducing a ferric ion compound into the mixed solution for sedimentation. The method for harvesting the bait microalgae, disclosed by the invention, is suitable for various bait microalgae and bait microalgae in different culture periods; according to the method, the applicable initial algae liquid concentration is high, the applicable initial algae liquid concentration range is large, the harvesting time is short, and the flocculation efficiency is high.

Continuous flow two-stage microalgae biological carbon sequestration and product induction process based on intracellular nitrogen level regulation and control

Resumen de: CN120054212A

The invention relates to the field of sewage/wastewater treatment and biological carbon sequestration, in particular to a continuous flow two-stage microalgae biological carbon sequestration and product induction process, which comprises a culture pre-induction primary carbon sequestration stage and a product induction accumulation reinforced carbon sequestration stage. The method provided by the invention can solve the problems of long start delay period, slow biological accumulation rate, lack of directional induction regulation means and the like of traditional two-stage induction, and realizes efficient linkage of biological carbon fixation and carbon conversion. The process disclosed by the invention can be applied to deep denitrification in a water treatment process, is coupled with absorption and purification of flue gas and biogas CO2, and realizes fixed recovery and reutilization of carbon and nitrogen resources while carbon emission reduction is realized.

Composition bioactive dérivée du sous-produit de l'extrait de microalgue Dunaliella salina, riche en polyphénols aux effets antioxydants pour la conservation de l'huile d'argan

Resumen de: MA63147A1

The present invention relates to a bioactive formula with antioxidant action designed to preserve argan oil, produced from the microalgae Dunaliella salina. This formula has a polyphenol concentration equivalent to 1% (w/w), preferably exceeding 5% (w/w). The invention also includes a process for extracting and purifying this bioactive composition.

Algae-inhibiting bacterium and application thereof

Nº publicación: CN120060045A 30/05/2025

Solicitante:

WUHAN QUANYUTAI BIOTECHNOLOGY CO LTD
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Resumen de: CN120060045A

The invention discloses an algal-inhibiting bacterium and application thereof, the classification name of the algal-inhibiting bacterium is Bacillus velezensis C408, the preservation number of the algal-inhibiting bacterium is CCTCC NO: M 2025025, the preservation date is January 6, 2025, the preservation unit is China Center for Type Culture Collection, and the preservation unit address is Wuhan University, Wuchang District, Wuhan City, Hubei Province. The algal inhibiting bacteria are used for inhibiting or killing blue-green algae. The algae-inhibiting bacterium has a directional inhibition effect on cyanobacteria, the algae-inhibiting substance of the algae-inhibiting bacterium has heat resistance and acid and alkali resistance, the algae-inhibiting bacterium can play a good algae-inhibiting effect in an actual lake water body, and the algae-inhibiting bacterium also has a certain regulation effect on water quality and has a wide application prospect in the aspect of cyanobacterial bloom treatment. The algistat does not harm an in-situ water body, belongs to an environment-friendly algistat, and can reduce the algistat cost.