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Circulating culture system for hatching grouper fries

Resumen de: CN223639958U

The utility model provides a circulating culture system for hatching grouper fries. The circulating culture system comprises a hatching culture barrel, a temperature control device, a physical filtering device, a protein separator, a microorganism filtering device and a PEM ozone device. The marine fish inland breeding device can achieve marine fish inland breeding, solves the pain point of outdoor grouper fry hatching, and accumulates organic waste generated by microalgae, live bait and fry in the water body in the grouper fry hatching process, ammonia nitrogen (NH3/NH4) generated by ammoniation and nitrite (NO2) generated by nitration when the grouper fry hatching operation is carried out indoors. Huge injury is caused to the fish fries.

Cathepsin B-reduction double-response type biological self-degradation cationic lipid as well as preparation and application of lipid nanoparticles of cathepsin B-reduction double-response type biological self-degradation cationic lipid

Resumen de: CN121085994A

The invention discloses cathepsin B-reduction dual-response type biological self-degradation cationic lipid and preparation and application of lipid nanoparticles thereof, belongs to the technical field of new auxiliary materials and new dosage forms of pharmaceutical preparations, and relates to a preparation method of cathepsin B and reduction dual-response type self-degradation cationic lipid and construction of siRNA lipid nanoparticles of the cathepsin B and reduction dual-response type self-degradation cationic lipid. The invention discloses colonizable inulin-spirulina composite gel for colon targeted delivery and application of the colonizable inulin-spirulina composite gel in nucleic acid drug delivery. According to the invention, a colon-specific modular hydrogel platform is designed by integrating a microalgae biotechnology and a nano-drug, and a new strategy and choice are provided for solving the toxic and side effects of lipid nanoparticles and oral delivery of RNA (Ribonucleic Acid).

Hulong hybrid spot seedling raising method capable of improving survival rate

Resumen de: CN121086887A

The invention belongs to the technical field of aquaculture, and particularly relates to a Hulong hybrid spot seedling raising method capable of improving the survival rate. The invention firstly provides a special microalgae solution combination for Hulong hybrid spots, different microalgae solutions are specifically mixed, and microalgae is rich in nutritional ingredients such as protein, polyunsaturated fatty acid, vitamins and minerals, so that the microalgae solution combination can be used as a high-quality feed, the growth performance of the Hulong hybrid spots is remarkably improved, and the yield of the Hulong hybrid spots is improved; the breeding environment can be improved to meet different breeding conditions; in addition, the invention further provides application of the microalgae solution combination in improving the survival rate of Hulong hybrid spot seedlings and/or improving the immune performance of Hulong hybrid spots, a nursery pond is disinfected by using a disinfectant containing a moringa oleifera extract and lactobacillus plantarum, and the microalgae solution combination is inoculated at different culture stages, so that the survival rate of the Hulong hybrid spot seedlings is increased, and the immune performance of the Hulong hybrid spots is improved. The survival rate and the immunity of the Hulong hybrid spotted fish are improved.

Blue-green algae propagation method

Resumen de: CN121086941A

The invention discloses a blue-green algae propagation method, and relates to the technical field of natural biological soil crust. A porous material which is stable in structure, high in adsorbability and excellent in water-retaining property is used as a core carrier to construct a blue-green algae-carrier synergistic growth system, and system optimization of links such as blue-green algae population attachment propagation, environment control culture and drying treatment is combined, so that efficient attachment, uniform propagation and granulation preparation of blue-green algae are realized on the surface and in pores of the blue-green algae; therefore, the cyanobacteria-based particle product which can be dried, transported, spread and stored is obtained, a three-in-one engineering conversion path of propagation expansion, fixation and application is opened, and the technical requirements of large-scale artificial crust construction in the arid region are met.

Method for increasing fucoxanthine accumulation amount by using microcystis subjected to depolymerization treatment to feed palmarthria formosana

Resumen de: CN121064964A

The invention belongs to the technical field of biology, and particularly relates to a method for increasing the fucoxanthine accumulation amount by using microcystis subjected to depolymerization treatment to feed palmarthria formosana. According to the method, microcystis subjected to depolymerization treatment are added in the culture process of the palmitothecium for heterotrophic culture, meanwhile, continuous inflation is conducted, the microcystis subjected to depolymerization treatment are swallowed by the palmitothecium, and the higher fucoxanthine accumulation amount in the palmitothecium is obtained by means of the culture mode. The experiment proves that after the microcystis is subjected to pretreatment and depolymerization, the removal efficiency of the microcystis is higher by the brown algae, the limitation of treatment of harmful cyanobacteria and ingestion of protozoa is made up, and meanwhile, an integrated solution is provided for biological treatment of cyanobacterial bloom and resource utilization of the microalgae; meanwhile, a new way is provided for obtaining fucoxanthine with higher accumulation amount.

Fish feed composition and production method thereof

Resumen de: CN121058813A

A fish feed composition for supplementing the diet of fish comprises a microalgae biomass produced using food waste leachate and harvested by flocculation, and wherein the fish feed composition promotes the growth and immunity of fish.

Chlorella QDHP-04 and application thereof

Resumen de: CN121064963A

The invention relates to the technical field of microalgae biology, and particularly discloses chlorella QDHP-04 and application thereof. The invention relates to chlorella QDHP-04, which is named as Chlorellasp.QDHP-04, and is preserved in the China Center for Type Culture Collection on March 9, 2023, the preservation number is CCTCC NO: M2023272, and the address is Wuhan University, Wuhan, China. The chlorella QDHP-04 disclosed by the invention can be used for preparing a biocontrol agent, and can be used for effectively inhibiting wheat sharp eyespot, promoting the growth and development of wheat and remarkably increasing the yield and quality of wheat planting.

Method for treating micro-plastic wastewater

Resumen de: CN121063719A

The invention discloses a micro-plastic wastewater treatment method, and relates to the technical field of wastewater treatment.The micro-plastic wastewater treatment method comprises the steps that micro-plastic wastewater is subjected to aging treatment, and then micro-plastic wastewater is treated with microalgae granular sludge; the preparation method of the microalgae granular sludge comprises the following steps: adding an algae solution and a sodium alginate solution into dewatered sludge, then dropwise adding a calcium chloride solution, preparing granular sludge after the reaction is finished, and then circularly operating according to the sequence of water feeding, anaerobic stirring, aeration, sedimentation, drainage and idling in sequence to prepare the microalgae granular sludge. By preparing the microalgae granular sludge and constructing a bacteria-algae symbiotic system, extracellular polymeric substances are synergistically and adaptively generated in the wastewater with high-concentration polypropylene micro-plastic concentration, the hydrophobicity of the micro-plastic promotes aggregation of the microalgae granular sludge and the bacteria-algae symbiotic system, and the purification capacity is improved.

Method for improving selenium tolerance of euglena gracilis and preparation method of selenium-rich microalgae

Resumen de: CN121065061A

The invention provides a method for improving selenium tolerance of euglena gracilis and a preparation method of selenium-rich microalgae, and belongs to the technical field of microalgae application. The invention provides a method for improving selenium tolerance of euglena gracilis. The method comprises the following steps: culturing euglena gracilis in a culture medium added with sodium selenite; the adding mode of the sodium selenite comprises the step of adding the sodium selenite once a day from the beginning of inoculating the euglena gracilis; or sodium selenite is added once after the euglena gracilis is cultured for 48 hours or two days; or, starting from inoculation of the euglena gracilis, after the euglena gracilis is cultured for 48 hours or 2 days, sodium selenite is added once a day; the addition amount of the sodium selenite in each time is 1-10 mg/L. The method can prolong the growth cycle of the euglena gracilis, improve the movement ability of the euglena gracilis, promote the accumulation of parastarch, improve the maximum photosynthetic rate of the euglena gracilis, promote the chlorophyll synthesis of the euglena gracilis and improve the catalase activity of the euglena gracilis, and is beneficial to improving the selenium tolerance of the euglena gracilis.

Rice soil improver and method for improving gleying rice soil

Resumen de: CN121063997A

The invention relates to the technical field of soil improvement, and particularly discloses a rice soil improver and a method for improving gleying rice soil. The rice soil improver provided by the invention comprises a component A and a component B, the component A is an organic-inorganic compound and comprises the following raw materials in parts by weight: 100-200 parts of kitchen waste fermentation products, 1-5 parts of slow-release calcium peroxide and 5-10 parts of a microbial agent I; wherein the slow-release calcium peroxide is prepared from the following raw materials in parts by weight: 100 parts of calcium peroxide, 70 to 80 parts of sepiolite and 10 to 15 parts of binder; the component B is microalgae gel beads and comprises the following raw materials: a microbial agent II, algae species and 2-5wt% of a sodium alginate solution. The rice soil improver provided by the invention can significantly improve the hardening and long-term oxygen deficit problems of gleying rice field soil, increase the effective fertility of the soil, promote the improvement of rice root activity and nutrient absorption, and finally increase the rice yield.

METHOD FOR CONVERTING CARBON SOURCE INTO ETHYLENE GLYCOL

Resumen de: US2025369023A1

A method for converting a carbon source into ethylene glycol includes: providing a plasmid, in which the plasmid includes gene sequences of SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5, and SEQ ID NO: 6; implanting the plasmid into cyanobacteria through an electroporation treatment, so that modified cyanobacteria are obtained; and providing the carbon source to the modified cyanobacteria, so that the modified cyanobacteria convert the carbon source into the ethylene glycol.

ALGAL BIOFILM HARVESTING METHOD CAPABLE OF REDUCING RELEASE OF PLANKTONIC MICROALGAE

Resumen de: US2025368946A1

An algal biofilm harvesting method capable of reducing release of planktonic microalgae includes the following steps: S1: constructing an algal biofilm treatment system; S2: calculating a cutting area; S3: harvesting microalgae biomass; and S4: cyclic harvesting. By constructing an algal biofilm treatment system, a surface of an algal biofilm can be regularly cut to harvest microalgae biomass, thereby keeping activity of the biofilm in a best state all the time. In addition, the harvested microalgae biomass can be used as a high-quality substrate for subsequent fermentation, which can achieve resource saving. Quality attainment of effluent from a sewage tank with planktonic microalgae as a suspended solid indicator can be achieved, the treated effluent can be prevented from deteriorating due to an increase of the planktonic microalgae, and a risk that the planktonic microalgae in the effluent of the algal biofilm affects a subsequent treatment process is reduced.

Pretreatment device for synchronously and intensively preparing biodiesel by utilizing microalgae to generate electricity

Resumen de: CN121046186A

The invention aims to provide a pretreatment device for synchronously and intensively preparing biodiesel by utilizing microalgae to generate electricity, and belongs to the field of biomass energy production. The invention belongs to a microbial electrochemical coupling system, and adopts a microbial fuel cell (MFC) and a microbial electrolytic cell (MEC) as main structures. Anode microorganisms in the microbial fuel cell MFC take microalgae as a substrate, generate electricity through metabolism, and synchronously transmit electric energy to the microbial electrolytic cell MEC through a series lead to serve as an external power supply of the microbial electrolytic cell MEC; during continuous operation, algae liquid is fed into the MEC under the rate control of the pump, the MEC realizes microalgae wall breaking pretreatment through electric fermentation, and grease extraction is enhanced. According to the invention, the dependence of the traditional MEC process on external energy is broken through, the self-production and self-use of the capacity of the device are realized, the manual requirement for replacing the anolyte can be effectively reduced, and the microalgae biodiesel preparation pretreatment under continuous operation is realized.

Process for converting carbon source to ethylene glycol

Resumen de: CN121046471A

The invention discloses a method for converting a carbon source into ethylene glycol. The method comprises the following steps: providing a plastid, wherein the plastid comprises gene sequences of SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5 and SEQ ID NO: 6; implanting the plastid into blue-green bacteria by means of electroporation treatment to obtain modified blue-green bacteria; and providing the carbon source to the modified cyanobacteria, so that the modified cyanobacteria converts the carbon source into ethylene glycol, thereby producing chemicals with high economic value while treating the carbon-containing waste gas.

Chlamydomonas reinhardtii source organism iron steady state regulator and application thereof

Resumen de: CN121041408A

The invention discloses a chlamydomonas reinhardtii source organism iron steady state regulator and application thereof, and belongs to the technical field of biology. The chlamydomonas reinhardtii hydroxyproline-rich glycoprotein or the protein component thereof disclosed by the invention can activate low-oxygen inducible factor signal channels of intestinal tracts, livers and kidneys, and up-regulate the expression of iron absorption transporters such as a divalent metal ion carrier 1, duodenum cytochrome b, membrane iron transporters and ferrous oxidase in intestinal epithelial cells; according to the present invention, the liver hepcidin overexpression caused by inflammation can be inhibited, the generation of erythropoietin in the liver and the kidney can be promoted so as to stimulate the absorption of the body on the iron nutrient, and the compound can be used in the anemia improving health food and the anemia improving drug. The organism iron homeostasis regulator adopted by the invention is derived from microalgae food, so that compared with a conventional artificially synthesized organism iron homeostasis regulator drug, the organism iron homeostasis regulator has the advantage of no toxic or side effect.

n2 co2 Carbon-free energy supply system for carbon neutrality with renewable energy from microalgae culture due to n2 and co2 inhalation in the atmosphere

Resumen de: KR20250167386A

본 발명은 미세조류가 배양되는 배양부 외부의 펌프 라인의 이젝터 벤투리 내부의 스크류 발전 ; 상기 배양부 외 부에 위치하여 펌프가 설치되고, 이 젝터 벤 투리 내부의 설치된 제1파이프 라인; 및 상기 제1파이프 라인이 적 어도 하나의 접목부를 포함하며, 상기 접목부는 상기 배양 부 외부에 위치하는 이산화탄소공급부와 연결되는 제2 파이프 라인; 을 포함하는 것을 특징으로 하는 미세조류 배 양 시스템에 관한 것이다.

Microalgae cultivation photoreactor using wavelength controller

Resumen de: KR20250167316A

본 발명은 상단에 개구를 포함하고 내부에 배양 수조의 설치 공간부를 갖는 메인바디, 상기 메인 바디 내에 소정 간격 이격되어 수용되는 배양 수조 및 상기 개구를 통해 배양 수조의 상부를 커버할 수 있는 수조 덮개를 포함하는 미세 조류 배양 장치로서, 메인 바디의 전원부로부터 전원을 공급받아, 미세 조류의 종류, 생육 상태 및 관심 있는 표적 물질에 맞추어 빛을 조사하도록 배치된 복수개의 LED 소자를 포함하는 LED 모듈을 구비하고, 상기 메인 바디의 중앙부에 위치하여 개폐 가능하도록 구성되며, 교체 가능한 형태의 LED 기판, 및 제어기를 포함하는 것을 특징으로 하는 미세 조류 배양 장치를 제공한다. 상기 제어기는 상기 LED 소자의 광도를 조절하는 제1 조절기, 상기 LED 소자의 광 조사 시간을 조절하는 제2 조절기, 및 상기 LED 소자의 광 조사 순서를 조절하는 제3 조절기를 포함한다. 본 발명의 미세 조류 배양을 위한 배양 장치는 특정 파장의 조사 시간을 자동적으로 조절함으로써 특정 물질의 최대 함량을 유도한 특정 미세 조류를 최대 밀도로 배양한 후, 높은 농도의 원하는 물질을 추출할 수 있도록 할 수 있다.

Intelligent treatment method for mariculture tail water

Resumen de: CN121030277A

The invention provides an intelligent treatment method for mariculture tail water, and belongs to the technical field of machine learning. By constructing a multi-mode tail water environment-evolution data set, comprehensive perception of a tail water visual image sequence, physicochemical index time sequence data and operation control parameters is realized, and dynamic evolution prediction of a tail water system is carried out based on a virtual environment generation model. Through the steady state identification and mode mining module, the stable operation cluster, the critical boundary and the abrupt change mode of the tail water system can be quantified, control-abrupt change response knowledge is extracted, and a structured basis is provided for optimization decision making. On the basis, a multi-target control optimization model is constructed, efficient regulation and control over the microalgae growth rate, the suspended particle sedimentation rate and the nutritive salt absorption efficiency are achieved, meanwhile, the potential mutation risk is avoided, and steady-state operation of the system is guaranteed. According to the method, intelligentization, precision and multi-objective optimization of the tail water treatment process can be achieved, and efficient and reliable technical support is provided for mariculture tail water ecological management.

Extracellular vesicles from microalgae, their biodistribution upon intranasal administration and uses thereof

Resumen de: CN121038801A

Compositions comprising microalgal extracellular vesicles (MEVs) formulated for intranasal delivery are provided whereby, after intranasal administration, the MEVs are transported by a specific route, via olfactory nerves to specific regions in the brain after intranasal administration, and through lateral olfactory beams (LOTs) to interconnected brain regions. The MEV is transported via neuronal axons. The MEV has the ability to traverse synapses including: (i) a synapse between an olfactory sensory neuron (OSN) and a monk cap/clustered neuron; (ii) synapses between monk cap/cluster neurons and local neurons in a plurality of brain regions colonized by a lateral olfactory beam (LOT); and (iii) synapses between neurons in the brain region colonized by LOT and neurons from the frontal cortex, hippocampus, thalamus and hypothalamus. The compositions contain extracellular vesicles (MEVs) from microalgae loaded with biologically active cargo for use in treating, detecting, diagnosing or monitoring a disease, disorder or condition of the brain or involving the brain, in particular to provide neuronal delivery of cargo. The compositions and methods have various applications as therapeutic and diagnostic agents for treating, diagnosing, and monitoring the brain or a disease, disorder, or condition involving the brain. The compositions are useful in methods and uses for the treatment of cancers involving the brain, and are useful, for example, for the delivery of therapeutic agents f

Method for constructing Algammox system

Resumen de: CN121020826A

The invention discloses a method for constructing an Algammox system, and relates to a method for constructing a system. The invention aims to solve the problems that the existing anaerobic ammonium oxidation bacteria (AnAOB) are easily damaged by ROS (reactive oxygen species) induced by light irradiation and are greatly influenced by DO (dissolved oxygen). According to the invention, microalgae is innovatively introduced into a PNA technology, and an Algammox system is constructed. Dissolved oxygen is supplied in situ by utilizing microalgae through photosynthesis, so that the dependence on mechanical aeration is reduced; meanwhile, a biofilm carrier strategy is adopted, so that the inhibition of illumination on AnAOB is effectively shielded, and the biomass retention capacity is enhanced. The result shows that the total nitrogen removal rate of the developed Algammox system is as high as 97%. The invention belongs to the technical field of biological environmental protection and biological energy.

Microalgae culture intelligent sampling and online detection device and method

Resumen de: CN121022548A

The invention discloses an intelligent sampling and on-line detection device and method for microalgae culture, and relates to the technical field of biological culture on-line detection. The microalgae stock solution detection unit comprises a stock solution detection pool, two sides of the stock solution detection pool are respectively provided with a divergent light source and a spectrum detection sensor, and the microalgae stock solution detection unit is used for detecting microalgae pigment and cell concentration in the stock solution through spectrum inversion; the microalgae diluent detection unit comprises a diluent detection pool, and a plurality of diluent detection sensors are arranged in the diluent detection pool and used for detecting the pH value, the conductivity and the inorganic salt ion concentration in the diluent; and the automatic sampling and diluting unit comprises a PLC (Programmable Logic Controller) as well as a first peristaltic pump, a second peristaltic pump, a first electromagnetic valve, a second electromagnetic valve and a plurality of liquid level meters which are electrically connected with the PLC, and is used for controlling linkage operation of each component and completing stock solution sampling, solution changing, stock solution detection pool cleaning, stock solution diluting, solution discharging and diluent detection pool cleaning. According to the invention, effective detection of multiple parameters of the microalgae culture syst

Method for improving treatment of livestock and poultry breeding wastewater by phycomycete system through starch wastewater and application

Resumen de: CN121020835A

The invention discloses a method for improving livestock and poultry breeding wastewater treatment by a phycomycete system through starch wastewater and application, and belongs to the technical field of environmental engineering and biological recycling. The method comprises the following steps: (1) pretreating livestock and poultry breeding wastewater and starch wastewater to remove impurities; livestock and poultry breeding wastewater and starch wastewater are mixed according to a certain volume ratio to prepare mixed wastewater; (2) mixing chlorella sorojin and aspergillus oryzae in a logarithmic phase according to a certain quantity ratio, and inoculating to construct a microalgae-fungus co-culture system; and (3) putting the microalgae-fungus co-culture system into the mixed wastewater, treating under an illumination oscillation condition, and purifying the mixed wastewater. According to the method, the starch wastewater is adopted as a novel carbon source for replacing a traditional commercial carbon source, and a biological treatment mode of microalgae-fungus co-culture is combined, so that efficient purification of the livestock and poultry breeding wastewater is realized, meanwhile, biomass accumulation is promoted, resource utilization of wastes is realized, and dual targets of wastewater treatment and resource recovery are achieved.

Aerobic granular sludge based on functional flora-microalgae-pyrite composite system reinforced synergy and preparation method thereof

Resumen de: CN121020844A

The invention relates to the technical field of biological sewage treatment, and provides aerobic granular sludge based on functional flora-microalgae-pyrite composite system reinforced synergy and a preparation method of the aerobic granular sludge. The method is characterized by comprising the four steps of pyrite pretreatment, bacteria-algae synergistic domestication and inoculation, aerobic granular sludge induction formation and aerobic granular sludge maturation and stabilization. According to the invention, a'pyrite-functional flora-microalgae 'three-in-one system is constructed, so that the pyrite, the functional flora and the microalgae form a physicochemical-biochemical collaborative network. The aerobic granular sludge prepared by the functional flora-microalgae-pyrite composite system in a reinforced and synergistic manner not only has higher COD (Chemical Oxygen Demand), TN (Total Nitrogen) and TP (Total Phosphorus) removal efficiency and good impact resistance and load resistance when being used for deeply treating the mariculture tail water, but also can regularly collect the microalgae in the system as an aquatic feed additive, so that the conversion from pollutants to resources is realized.

Production method of microalgae water-soluble fertilizer based on swine urine

Resumen de: CN121021241A

The invention discloses a production method of a microalgae water-soluble fertilizer based on swine urine. The production method comprises the following steps: S1, collecting swine urine; s2, primary treatment of swine urine; s3, carrying out mold removal and detoxification on the swine urine; s4, culturing the microalgae; s5, strengthening the microalgae; s6, collecting microalgae; s7, preparation of the water-soluble fertilizer: in the step S1, firstly filtering the pig urine by using a 100-150-mesh filter screen to remove feed residues or excrement particles, and in the step S2, firstly diluting the pig urine until the nitrogen content in the pig urine is 100-300mg/L, then carrying out catalytic ozonation on the pig urine, adding ferric oxide and activated carbon into the inner side of the pig urine according to a ratio of 2: 1, and uniformly stirring to obtain the water-soluble fertilizer. The ratio of the ferric oxide and the activated carbon to the swine urine is 1: 10, the microalgae water-soluble fertilizer with low heavy metal pollution is prepared by sufficiently treating the swine urine, then adjusting the microalgae and finally combining the swine urine with the microalgae, and the microalgae water-soluble fertilizer can be used in a farmland in a large area and is high in use efficiency.

Blue-green algae strain for producing phenylalanine and application of blue-green algae strain

Nº publicación: CN121022664A 28/11/2025

Solicitante:

BEIJING FORESTRY UNIV
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Resumen de: CN121022664A

The invention provides a cyanobacteria strain for producing phenylalanine and application of the cyanobacteria strain, and belongs to the technical field of functional cyanobacteria. The invention provides a cyanobacteria strain for producing phenylalanine, which is a synechocystis sp. Strain UV120, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) No.46456. The invention also provides a preparation method of the cyanobacteria strain for producing phenylalanine. According to the invention, two mutagenized blue algae strains are obtained by adopting ultraviolet mutagenesis, and the strain UV120 not only has a good growth characteristic under the condition of high-concentration L-phenylalanine or analogues thereof, but also has the characteristic of high yield of L-phenylalanine, so that a new means is provided for large-scale synthesis of phenylalanine.