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151
resultados
Última actualización
14/08/2025 [07:29:00]
Resultados 100 a 125 de 151
Resumen de: CN119970620A
The invention provides RU.521-EVs anti-radiation nanogel as well as a preparation method and application of the RU.521-EVs anti-radiation nanogel. The RU.521-EVs anti-radiation nanogel is a nanogel obtained by loading microalgae-derived extracellular vesicles and a small molecule compound RU.521 on chitosan nanoparticles formed by cross-linking chitosan, and the extracellular vesicles and the small molecule compound RU.521 are derived from microalgae. The RU.521-EVs anti-radiation nanogel has higher adhesion and permeability in the lung and effectively releases RU.521 and EVs, the RU.521 and EVs can synergistically play anti-inflammatory and anti-oxidation roles, local anti-oxidation and anti-inflammatory defense reactions of the lung are effectively started, the excellent anti-radiation effect is shown, and the RU.521-EVs anti-radiation nanogel can be used for preventing and treating radiation-induced lung injury.
Resumen de: CN119998442A
The present invention relates to a cell culture composition comprising an extract of thraustochytriaceae microalgae. It has been found that the proliferative capacity of muscle cells is enhanced when the muscle cells are cultured in a culture medium according to the present disclosure comprising an extract derived from a microalgae biomass belonging to the Thraustochytridae family. Thus, the cell culture composition comprising the microalgae extract can be used as a substitute for fetal calf serum in the cell culture medium component.
Resumen de: CN119977172A
The invention relates to application of synechocystis in removal of cadmium ions and a method for reducing cadmium ions in an environment, and the method comprises a step of culturing synechocystis in the environment. By means of the method, the concentration of free-state cadmium ions in the environment can be reduced to about 10 micrograms/L, and cadmium in the environment is greatly reduced after cadmium particles outside microalgae and cells are removed. Although the concentration of cadmium ions which can be treated by the method provided by the invention is relatively low and is 1mg/L or below, the concentration of the cadmium ions in the supernatant can be finally reduced to a very low value, so that the method can be used for further cadmium removal after primary cadmium removal of a water sample, and extremely low cadmium emission is realized.
Resumen de: CN119979414A
The invention relates to application of boron nitride in microalgae culture and a method for culturing microalgae, which comprises the step of adding boron nitride into a culture system. By constructing a hexagonal boron nitride-cyanobacteria co-culture system and combining the carbon dioxide adsorption performance of a nano material and the biological directional synthesis capability of cyanobacteria, more efficient carbon dioxide capture and conversion are realized, and meanwhile, the growth speed and biomass of cyanobacteria and the yield of a target product are also improved. The innovative strategy not only can enhance the photosynthetic carbon sequestration efficiency of cyanobacteria, but also provides a new technical route for promoting green and low-carbon development, and gives consideration to both high economic benefit and low-carbon environmental protection.
Resumen de: CN119954907A
The invention relates to the technical field of biology, in particular to a marine microalgae-derived antibacterial oligopeptide and application thereof. The antibacterial oligopeptide is Qz5707, Qz16317, Qz1933 or Qz13244 which is derived from marine microalgae, and the antibacterial oligopeptide is prepared from the marine microalgae; and modifying any one or more amino acids in the oligopeptide to obtain a sequence. The antibacterial oligopeptide disclosed by the invention has relatively strong antibacterial activity and wide antibacterial spectrum, can be applied to aquatic feed additives and food preservatives, and can also be developed into antibacterial agents, antibacterial drugs and the like, so that the antibacterial oligopeptide has a wide application prospect.
Resumen de: KR20250064315A
실내 공기질 개선을 위한 미세조류 배양 및 수확장치에 관한 것으로서, 보다 구체적으로, 상기 미세조류 배양 및 수확장치는 각각 별도로 설치된 미세조류 배양기, 배수부 및 건조부를 포함함으로써 보다 간편하게 미세조류를 배양하고 이를 수확하는 것에 특징이 있다.
Resumen de: CN119968116A
Systems and methods for growing microalgae, preferably Chlorella genus (Chlorella sp.), capable of metabolism of mixed nutrition. Microalgae grown in a system using the method can survive and grow in dark refrigeration, which enables the algae to be stored and transported for application as live cultures. Furthermore, the microalgae can grow in sufficient amounts for commercial sales for application as a biostimulant to crops.
Resumen de: CN119954315A
The invention relates to the technical field of biological sewage treatment, in particular to a water treatment optimization method and system based on microalgae growth prediction. Acquiring a real-time water quality pollution parameter set and real-time water environment data of the target water treatment area, constructing a real-time water environment simulation field by using the real-time water environment data, simulating and generating a microalgae future growth model through the real-time water environment simulation field, and performing spatial hash coding analysis and optimization treatment on the polluted water quality of the real-time water quality pollution parameter set; and combining the real-time water quality pollution parameter set and the real-time water environment data to construct a real-time water quality pollution scale thermal model of the target water treatment area, and querying and judging whether the water quality pollution scale of the local water treatment area is abnormal or not through the real-time water quality pollution scale thermal model to execute sewage treatment of microalgae growth regulation. According to the invention, corresponding water treatment operation can be carried out by analyzing the sewage purification performance of microalgae growth, so that water treatment rationalization is ensured, and the water quality is effectively improved.
Resumen de: CN119955871A
The invention belongs to the technical field of microalgae oil biosynthesis, and discloses a method for improving microalgae oil accumulation through mannose induction. The invention relates to application of mannose in culturing microalgae to improve oil accumulation of the microalgae. The concentration of the mannose in a culture medium is not lower than 0.5 g/L. Specifically, the method comprises the following steps: inoculating a microalgae seed solution into a culture medium containing mannose for inducing grease accumulation culture; or firstly inoculating the microalgae seed solution into the culture medium for culture, and then adding mannose into the culture medium for continuous culture in the culture process, so that the accumulation of the microalgae grease is improved by utilizing the mannose. The invention reveals that the grease accumulation of the microalgae can be improved when the mannose is applied to microalgae culture for the first time, and the grease content of the microalgae under different environmental conditions and growth states can be simply, flexibly and quickly induced and improved by using the concentration of the mannose which is not lower than 0.5 g/L.
Resumen de: CN119954303A
The invention relates to the technical field of sewage treatment. More specifically, the invention relates to a straw-based biofilm carrier, and a preparation method and application thereof. The invention provides a straw-based biofilm carrier and a preparation method thereof, and a phycomycete symbiotic system is constructed by taking crop straw as a biofilm culturing carrier and is applied to aquaculture tail water treatment. The straw can be used as carrier filler for growth of microalgae and bacteria on one hand, and can slowly release organic matters as a carbon source for growth of microorganisms attached to the organic matters in the degradation process on the other hand. Microalgae photosynthesis can provide oxygen for aerobic bacteria, aeration is not needed when the culture tail water is treated, aged biological membranes on straw are peeled off regularly through impact of water flow and collected to serve as fish bait, and organic matter, nitrogen, phosphorus and other nutrient elements in the culture tail water can be recycled while the culture tail water is treated.
Resumen de: CN119949439A
The invention discloses a feed for improving the quality of semen of an old boar and an application of the feed. The feed disclosed by the invention is prepared from the following components in parts by weight: 8 to 10 parts of corn, 18 to 23 parts of red sorghum, 37 to 43 parts of hulled barley, 12 to 17 parts of bran, 0.5 to 1.5 parts of functional fiber, 7 to 9 parts of soybean meal, 1.5 to 2.5 parts of fish oil or microalgae powder, 1.3 to 1.4 parts of mountain flour, 1 to 1.2 parts of monocalcium phosphate, 0.4 to 0.5 part of sodium chloride, 0.2 to 0.3 part of lysine, 0.1 to 0.15 part of L-threonine, 0.1 to 0.15 part of choline chloride, 1 to 1.5 parts of betaine and 0.5 to 1 part of a premix for boars. After the feed is applied, the total effective sperm number of the aged boars is remarkably increased, the sperm motility and form are improved, the breeding age limit is prolonged, the production value is increased, and the biological safety risk caused by the high renewal rate is reduced.
Resumen de: US2025145937A1
A method for preparing a microalgal dispersion from a microalga-containing liquid, the microalga-containing liquid containing a microalga having a body length of less than 1000 μm, the method including a concentration step of performing cross flow filtration of the microalga-containing liquid using a hollow fiber membrane, wherein a circulation linear velocity in the cross flow filtration in the concentration step is in a range of 0.2 m/sec or more and 1.3 m/sec or less.
Resumen de: US2025145938A1
Provided for are methods of producing triacylglycerol-accumulated microalgae, methods for making bioplastics from triacylglycerol-accumulated microalgae, methods for making alga-mixed plastics, and products including these bioplastics. Methods of triacylglycerol accumulation using centrifugation are also provided. Products such as plastic beads and other consumer products can be made from the bioplastics described herein.
Resumen de: WO2025094221A1
The invention refers to the biotechnological sector of growth processes of photosynthetic organisms such as microalgae, and relates to a system (100) for the cultivation of microalgae (A) comprising: mains water supply means (10); a treatment section (20) for the incoming water; a preparation section (30) of a concentrated solution (SC) of treated water and nutrients (N); a general loading and compensation tank (40); a growth section (50) for said microalgae (A) comprising a plurality of reactors (R); means for feeding (60) a growth gas in said reactors (R); a separation section (70) of said microalgae (A) from the growth liquid and total recovery of the liquid itself; a hydraulic circuit connecting said sections of said system (100); - a command and control unit (80). Said general tank (40) is adapted to contain a growth solution, comprising said concentrated solution (SC), treated water for its dilution and recovery water comprising said growth liquid, to distribute it to said reactors (R) so as to create, within each reactor (R), a growth environment for said microalgae (A).
Resumen de: CN119931821A
The invention discloses a sample collection container for a liquid microalgae space technology test. The sample collection container comprises a vibration isolation soft bag, a heat preservation module and a sample collection container, the vibration isolation soft bag is composed of an upper cover, a bag body and a zipper, a vibration isolation body made of polymer foam materials is arranged in the upper cover and used for relieving the influence of impact, overload, vibration and other environments on the heat preservation module and the sample collection container in the rocket launching and returning capsule returning period, and internal objects are protected to be smoothly injected into a rail and returned. The heat preservation module is composed of a shell, an inner cover and an inner container, and the inner container is filled with phase change cold storage materials. And the temperature control effect is achieved. And a suitable environment is provided for the liquid-based microalgae needing low-temperature descending. The sample collection container is composed of a bottle body, a one-way conducting valve, a diaphragm, a connector, a protective cap, a bottle cap and a guide pipe, and sample collection under the weightless environment is achieved. According to the invention, through vibration isolation design, air pressure balance design and one-way sealing design, a sample collection container and package for reliable liquid algae sample collection and protection
Resumen de: CN119931836A
The invention relates to a culture optimization method for improving microalgae output, equipment of the culture optimization method comprises a transparent culture container, a stirring paddle located in the culture container and an auxiliary light source for forming uniform light supplement on the peripheral surface of the culture container, the speed of the stirring paddle is adjustable, and the illumination intensity of the auxiliary light source is adjustable. The culture optimization method mainly comprises three experimental groups, the first experimental group selects stirring paddle stirring blade types, the second experimental group selects stirring paddle rotating speeds, and the third experimental group selects illumination intensity, so that the culture optimization method is used as an optimization scheme for subsequent microalgae culture, and the yield of microalgae is increased.
Resumen de: CN119924265A
The invention belongs to the technical field of organic waste recycling, and particularly relates to a method for recycling cyanobacteria mud and kitchen waste by using hermetia illucens larvae. And mixing the pretreated cyanobacteria mud with the kitchen waste to obtain a mixed feed, and adding a bacillus inoculant for aerobic fermentation to obtain hermetia illucens larvae and larva sand. By regulating and controlling the matching of the matrix and the synergistic effect of the fungicide, the nutritional value and the utilization efficiency of the mixed feed are increased, and the black soldier flies grow faster in the early stage. The bred hermetia illucens larvae can be used as a high-quality protein feed, and the larva sand can be used as an organic fertilizer raw material. According to the method disclosed by the invention, collaborative recycling of the cyanobacteria and the kitchen waste is realized, and a biological solution capable of being applied on a large scale is provided for treatment and utilization of the water-blooming cyanobacteria mud.
Resumen de: CN222834110U
The utility model relates to the technical field of deep nitrogen and phosphorus removal of a water body, in particular to an in-situ treatment device suitable for a bay water body denutrition process, which comprises a support device and a microalgae hydrogel particle bearing device, the supporting frame is used for supporting and fixing the microalgae hydrogel particle bearing device and is fixedly connected with the floating cylinder, and the floating cylinder is fixedly connected with the vertically arranged heavy object so as to realize the positioning of the height in water. According to the water eutrophication in-situ treatment device provided by the utility model, biomass fixation and in-situ nitrogen and phosphorus removal are carried out by arranging the capsule body filled with the microalgae hydrogel particles, and the microalgae hydrogel particles are used as a buffer, so that microalgae biomass grows in the hydrogel, the biomass can be effectively enriched under a certain stress environment condition, and the water eutrophication in-situ treatment device has the advantages that the water eutrophication in-situ treatment effect is improved; the problems that biomass of a traditional biological membrane is lost and the integrity of a cell membrane is damaged due to the influence of hydraulic shearing force are solved.
Resumen de: CN119931838A
The invention provides a solid culture medium for microalgae separation culture and a microalgae separation method, and belongs to the technical field of algae separation, the solid culture medium provided by the invention comprises the following components: 30-40 g/L of agar, 0.2 g/L of KNO3, 0.02 g/L of KH2PO4, 0.005 g/L of FeSO4. 7H2O, 0.02 g/L of EDTANa2, 0.0005 g/L of MnSO4, 0.04 g/L of Na2SiO3, 6 mu g/L of vitamin B1, and 50 ng/L of vitamin B12. When the solid culture medium and the separation method provided by the invention are used for separating the microalgae, the separation time of the microalgae can be greatly shortened, the purity of the microalgae is improved, high-quality microalgae resources are provided for subsequent research, large-scale culture and application of the microalgae, and the solid culture medium and the separation method have wide application prospects and important practical values in the related fields of the microalgae.
Resumen de: CN119930098A
The invention relates to the technical field of sewage treatment, and discloses a sewage treatment device and a sewage treatment method.The sewage treatment device comprises a container, a diaphragm, a light source and a backflow pipe, a containing cavity is formed in the container, the diaphragm is arranged in the container and divides the containing cavity into a first area and a second area, and the diaphragm is suitable for small molecules and soluble solids to pass through; the light source is arranged on one side of the second area, the backflow pipe is communicated with the first area and the second area, the interior of the container is divided into two spaces through the diaphragm, sludge can only react in the first area, microalgae can only conduct photosynthesis in the second area, and the microalgae subjected to photosynthesis flows back into the first area through the backflow pipe, so that the microalgae can be recycled, and the yield of the microalgae is improved. The sludge activity can be improved, the sewage treatment aeration energy consumption can be reduced, the sewage treatment nitrogen and phosphorus removal effect can be improved, and CO2 emission in the sewage treatment process can be reduced, so that the pollution reduction and carbon reduction coordinated synergism target of sewage treatment can be realized.
Resumen de: CN119925585A
The invention belongs to the field of microorganisms, and particularly relates to an oral broad-spectrum vibrio subunit microalgae vaccine for aquatic products and a preparation method of the oral broad-spectrum vibrio subunit microalgae vaccine. The invention provides an aquatic oral broad-spectrum vibrio subunit microalgae vaccine which expresses vibrio membrane protein OmpK by taking microalgae as a vaccine carrier. The gene expression cassette of the vibrio membrane protein OmpK is inserted into a genome of microalgae, and the sequence of the gene expression cassette of the vibrio membrane protein OmpK is as shown in SEQ ID NO: 4 after sequence optimization. When the microalgae vaccine is used for feeding cultured animals such as fishes and shrimps, the vibrio resistance can be remarkably improved, the environmental safety is high, and the large-scale production cost is low.
Resumen de: CN119932129A
The invention belongs to the technical field of biology, and discloses application of P450 monooxygenase in increasing the content of fucoxanthin in microalgae, the microalgae with the fucoxanthin synthesis and/or light stress response capacity improved and a construction method of the microalgae. Researches find that P450 monooxygenase is closely related to synthesis of fucoxanthin and plays a regulating role in light stress response of diatom, and overexpression of P450 monooxygenase can cause increase of the content of fucoxanthin in microalgae; under the condition of light stress, the content of fucoxanthin in a transformant is greatly increased compared with that of wild type fucoxanthin. According to the invention, an engineering algal strain with improved fucoxanthin synthesis and/or light stress response capability is also obtained, a material basis is provided for the biosynthesis industrialization of fucoxanthin, and the additional value of microalgae culture is improved at the same time.
Resumen de: CN222821568U
The utility model discloses a multichannel tubular photo-oxidation bioreactor device, which relates to the technical field of microalgae culture and online monitoring and comprises a water bath box, a gas regulation and control module, a dissolved oxygen monitoring module, an optical density monitoring module and a PH (potential of hydrogen) monitoring module. A glass culture tube and a temperature control module are mounted in the water bath box, the dissolved oxygen monitoring module extends into the glass culture tube through a probe or a sensor, and the optical density monitoring module is in contact with the glass culture tube through an optical sensor or a probe, so that accurate culture conditions are provided, and the microalgae culture efficiency is improved; according to the device, a controllable algae culture environment is provided, meanwhile, real-time monitoring of dissolved oxygen, OD value, PH and temperature is achieved, collection and analysis of scientific research data are facilitated, a user can conveniently set a culture program and check measurement data through a graphical interface of a control system, and the device is convenient to install and use due to the compact machine body structural design.
Resumen de: WO2025086320A1
Provided are a Chlorella microalga and the use thereof in wastewater treatment, the microalga being Chlorella sp., and the accession number thereof being CCTCCM 20231952. The wastewater includes municipal wastewater, food processing wastewater, printing and dyeing industrial wastewater and animal husbandry breeding wastewater.
Nº publicación: US2025137018A1 01/05/2025
Solicitante:
NATAUR LLC [US]
Nat\u00E1ur LLC
Resumen de: US2025137018A1
The present invention describes methods for the fermentative production of taurine-containing products from unicellular organisms. More particularly, the invention relates to genetic modifications of the taurine and/or substrate biosynthetic pathways in unicellular organisms that include bacteria, algae, microalgae, diatoms, yeast, or fungi. The invention also relates to fermentation and processing methods for the production of various taurine-containing products. The invention also relates to the use of the cells, fermentation broth or extracts that contain taurine to produce products for use in food, feed, beverages, dietary and health supplements, cosmetics, personal care, pharmaceuticals, or agricultural production.
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