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809 results about "Biologic Agents" patented technology

A biological agent — also called bio-agent, biological threat agent, biological warfare agent, biological weapon, or bioweapon — is a bacterium, virus, protozoan, parasite, or fungus that can be used purposefully as a weapon in bioterrorism or biological warfare (BW).

New streptomyces for antagonizing broad-spectrum plant pathogenic fungi and application of new streptomyces

The invention provides a streptomyces, which is named as Streptomyces sp. And is registered and preserved in Guangdong Microbial Culture Collection Center, and the preservation number is GDMCC No: 65917. The invention also provides a fermentation broth of the streptomyces, and an ethanol extract and a crude extract of the fermentation broth. The novel streptomyces, the crude extract thereof and the like have broad-spectrum antibacterial activity, have a good antagonistic effect on various pathogenic bacteria such as banana long leaf spot germs and banana colletotrichum gloeosporioides, can enable hyphae of the banana colletotrichum gloeosporioides to shrink, deform and break, inhibit spore germination of the banana colletotrichum gloeosporioides, and have a good anti-bacterial effect on the banana colletotrichum gloeosporioides. According to the present invention, with the application of the bacterial strain, the colletotrichum gloeosporioides spores are shrunk and broken, the growth of the colletotrichum gloeosporioides is inhibited, the peroxidase activity, the polyperoxidase activity, the CAT activity and the like in the banana peel can be improved, and the bacterial strain is the potential biological agent for the prevention and control of the colletotrichum gloeosporioides diseases, and has wide development space and good development and application prospects.
Owner:HAINAN NORMAL UNIV

Environment-friendly biological agent for repairing and treating petroleum polluted water and soil and preparation method of environment-friendly biological agent

The invention belongs to the technical field of environment, and particularly relates to an environment-friendly biological agent for repairing and treating petroleum polluted water and soil and a preparation method of the environment-friendly biological agent. The biological agent is prepared by mixing a compound microbial agent, a biological surfactant and an auxiliary material in parts by mass, has the characteristics of high efficiency, environment friendliness and no secondary pollution, can remarkably improve the remediation efficiency of petroleum-contaminated soil, and has a wide application prospect.
Owner:JIANGSU NAKE BIO-ENG CO LTD +1

Application of turbellarian worm extract in preparation of product for promoting wound healing

The invention provides application of a turbellarian worm extract in preparation of a product for promoting wound healing, a biological agent for promoting the proliferation activity and / or migration ability of fibroblast NIH3T3, a biological agent for improving the wound healing rate and the decrustation time and a biological agent for improving the collagen fiber deposition type in the wound healing process. The biological preparation is used for promoting regeneration of skin appendage organs in the wound healing process. Wherein the extraction of the turbellarian worm extract comprises the steps of turbellarian worm cleaning, tissue crushing, alcohol extraction, centrifugal separation and concentration drying. The turbellarian worm extract has good capacity of promoting wound healing, and has the effects of effectively improving skin wound healing efficiency, shortening decrustation time, inhibiting scar formation in the wound healing process, promoting regeneration of skin appendage organs in the wound healing process and the like.
Owner:HENAN INST OF SCI & TECH

Sortilin-based lysosome targeting chimera and application thereof

The invention discloses a lysosome targeted chimera based on Sortilin and application thereof. The lysosome targeted chimera comprises a ligand molecule of a lysosome targeted receptor and a ligand molecule of a targeted protein to be degraded, wherein the ligand molecule and the ligand molecule are connected through a linker; the lysosome targeting receptor is Sortilin, and the ligand molecule of the lysosome targeting receptor is a polypeptide targeting the Sortilin; the protein to be degraded is membrane protein or extracellular protein. Furthermore, the polypeptide of the targeted Sortilin is connected with an enzyme response sequence and an integrin receptor targeting sequence. According to the invention, the Sortilin-combined ligand neurotensin is functionally coupled with the neutralizing antibody or polypeptide of overexpression protein in targeted tumor or inflammatory diseases, and the Sortilin-combined ligand neurotensin has obvious treatment gain in malignant solid tumor and psoriasis models. The discovery promotes the transformation potential of the lysosome participating in the biological agent, and provides a dual strategy for realizing accurate degradation through receptor recruitment and microenvironment induction.
Owner:ZHEJIANG UNIV

Bacillus siamensis and application of bacillus siamensis in aspects of plant disease control, growth promotion and yield increase

The invention belongs to the field of biological agents, and particularly relates to bacillus siamensis and application thereof in the aspects of plant disease control, growth promoting and yield increasing. The bacillus siamensis XNC-3 provided by the invention is wide in antibacterial spectrum, can effectively inhibit various plant pathogenic fungi including phytophthora parasitica var nicotianae, has broad-spectrum antibacterial activity, and can be used for preventing and treating plant diseases, especially tobacco diseases. The bacillus siamensis has a promoting effect on tobacco seedling growth and seed germination, has growth-promoting and yield-increasing effects on tobacco, can remarkably increase the tobacco yield and improve the tobacco quality, is safe to the environment and has a very good application prospect.
Owner:SHAANXI OF CHINA TOBACCO GENERAL CORP

Compound probiotic preparation rich in organic selenium and preparation method thereof

The invention relates to the field of biological agents, in particular to a compound probiotic preparation rich in organic selenium and a preparation method of the compound probiotic preparation, and efficient synergistic delivery is achieved through plant micromolecule organic selenium extraction and a multi-layer microemulsion embedding technology. The preparation consists of a core active component, a carrier system and a curcumin compound. The plant micromolecular organic selenium is extracted from cardamine hupingshanesis and high-selenium corn flour through an HLUP technology, and the bioavailability is remarkably improved. A corn protein modified W / O / W microemulsion is adopted as a carrier, an outer layer membrane is stable in an acid environment, and an inner layer accurately releases selenium to small intestines; a protective agent composed of trehalose and glucose inhibits ice crystal damage, and glutaraldehyde crosslinking enhances the mechanical strength of the membrane. Curcumin and selenium synergistically enhance antioxidant and immunomodulatory functions, and promote phagocytic activity of macrophages. The stability and bioavailability bottlenecks of a traditional preparation are broken through, and an innovative scheme is provided for functional food development.
Owner:安徽中志现代食品科技有限公司

Methods of forming particles by continuous droplet formation and dehydration

The present disclosure relates to methods that enable the continuous formation of droplets and dehydration of droplets to provide pharmaceutically relevant particles that can be used for therapy. In particular, the methods disclosed herein allow the controlled continuous droplet formation and dehydration that produce circular particles having low internal void spaces comprising bioactive therapeutic biologics.
Owner:HALOZYME HYPERCON INC

Biological control fermentation liquor as well as preparation method and application thereof

The invention belongs to the technical field of biological control, and particularly relates to biological control fermentation liquor and a preparation method and application thereof, the preparation method comprises the following steps: S1, raw material treatment: selecting solidago canadensis as a plant raw material, cutting the solidago canadensis into pieces, performing autoclaved sterilization, adding water, and mixing to obtain a mixture; s2, adding the cultured bacillus subtilis and saccharomyces cerevisiae into the mixture in the step S1, mixing and inoculating, and stirring and fermenting to obtain a fermentation stock solution; s3, centrifuging the fermentation stock solution, taking supernate, and filtering to obtain the biological control fermentation liquor. The biological control fermentation liquor prepared by the invention can be used for controlling seed germination, seedling growth and flowering processes of solidago canadensis, and meanwhile, the biological control fermentation liquor can also be used for preparing products for controlling solidago canadensis. The problem that a biological medicament for preventing and treating solidago canadensis is lacked at present is solved.
Owner:JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY

Comprehensive prevention and control method for tobacco root knot nematode disease containing biological agent

The invention discloses a comprehensive prevention and control method for tobacco root knot nematode disease containing a biological agent. The method comprises the steps of crop rotation of tobacco and buckwheat / quinoa, host resistance induction of the microbial agent in the seedling raising period, tobacco planting soil quality improvement in the transplanting period and the like. The agronomic characters of tobacco seedlings are effectively improved, and the physical characters of soil are improved; the chemical properties of soil pH, alkali-hydrolyzable nitrogen, available phosphorus, quick-acting potassium, exchangeable calcium, exchangeable magnesium and the like are improved; the activity of soil urease, sucrase, acid phosphatase, catalase and peroxidase is improved; the content of water-soluble phenols, compound phenols and total phenols in soil is reduced; the disease index of the tobacco root knot nematode disease can be remarkably reduced, the survival rate of tobacco is increased, the application amount of chemical agents is reduced, and the healthy and sustainable development of the tobacco industry is promoted.
Owner:INST OF AGRI ENVIRONMENT & RESOURCES YUNNAN ACAD OF AGRI SCI +1

Soil pollution intelligent monitoring and early warning method based on coupling of source accurate prevention and control and enhanced natural remediation

The invention provides a soil pollution intelligent monitoring and early warning method based on coupling of source accurate prevention and control and enhanced natural restoration, and relates to the technical field of pollution hidden danger investigation and source tracing. According to the method, toxic and harmful substances are identified through data collection, interview and reconnaissance, a key monitoring list is constructed, troubleshooting and leakage detection are carried out, hidden danger judgment and grading are completed, a rectification strategy is matched to generate a bioremediation scheme, biological agent injection or biological pile construction is carried out on a remediation area, and remediation effect evaluation is carried out. And setting monitoring factors and arranging monitoring point positions after the restoration reaches the standard, collecting monitoring data and inputting the monitoring data into a monitoring and early warning system, and realizing abnormal alarm through threshold triggering. According to the method, a closed-loop process from source identification, restoration implementation to long-term monitoring is constructed, and the accuracy and early warning efficiency of pollution treatment are improved.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP

Microbiological deodorization method

The invention discloses a microbiological deodorization method, which belongs to the technical field of disinfection and deodorization, and comprises the following steps: S1, preparing a microbial preparation, S2, pre-stirring a strain combination; S3, preparing a deodorant from the prepared composite microbial preparation according to the mass; and S4, putting a prepared deodorant into an ultrasonic atomizer or a spray tower. According to the invention, the microbial preparation is creatively adopted to perform spray deodorization on the odor source, so that the deodorization efficiency is high, the effect is good, the treatment cost of the odor source and odor is effectively reduced, the overall operation difficulty is low, only the polluted area is atomized, the odor is effectively controlled before volatilization, the odor pollution spreading can be effectively controlled, and the influence on the operation environment is avoided; the microbial inoculum is non-toxic, can be naturally degraded, has no residue after deodorization, does not need additional neutralization and filtration, has higher environmental adaptability, and meets the deodorization requirements of small and medium-sized farms and small and medium-sized garbage collection stations.
Owner:福建元景之态生物科技有限公司

A Prediction System for Inflammatory Bowel Disease Treatment Based on Multimodal Data

This invention discloses a system for predicting the efficacy of inflammatory bowel disease based on multimodal data, relating to the field of medical information processing. The system includes: a multimodal data acquisition module for receiving multimodal data; a text feature extraction module for determining text feature vectors using a text feature extraction model; an endoscopic intestinal mucosal feature recognition module for determining intestinal mucosal features using an endoscopic intestinal mucosal feature recognition model; an image feature recognition module for determining imaging features using an image feature recognition model; a pathological feature extraction module for determining pathological features using a pathological recognition model; and an efficacy prediction module for predicting the efficacy of biologics based on multimodal data features using a Transformer model and fully connected layers. Compared to existing technologies, this invention achieves efficacy prediction of biologics based on the fusion of clinical, pathological, endoscopic, and imaging multimodal features, improving the accuracy and clinical rationality of diagnostic and treatment decisions.
Owner:SUN YAT SEN UNIV +1

Hybrid peptide with immunoregulation and anti-oxidation functions as well as preparation method and application of hybrid peptide

The invention relates to the technical field of genetic engineering and biological agents, in particular to a hybrid peptide with immunoregulation and anti-oxidation functions and a preparation method and application of the hybrid peptide. The polypeptide provided by the invention has immunoregulation and antioxidation functions at the same time, and in a normal or immunosuppression state, the polypeptide can significantly improve the immunologic function of a body and reduce the damage of immunosuppression to the body; the oxidation resistance of cells and organisms can be enhanced; meanwhile, the polypeptide has the advantages of low cytotoxicity, high safety, simplicity and convenience in preparation and low cost, can be used as an ideal immunomodulator and an antioxidant, is widely applied to the fields of medicines, foods, health care, feeds, nutrition and the like of human and animals, and has very good application potential and value.
Owner:CHINA AGRI UNIV

Biological agent, preparation method thereof and application of biological agent in preparation of products for inhibiting escherichia coli

ActiveCN120168547AAntibacterial agentsAnimal feeding stuffBacillus amylolyticusT cell
The invention belongs to the field of microorganisms and fermentation, and relates to a biological preparation, a preparation method thereof and application of the biological preparation in preparation of products for inhibiting escherichia coli. And the biological agent is a co-fermentation product of fructus forsythiae and bacillus amyloliquefaciens (Bacillus amyloliquefaciens). The biological preparation provided by the invention can obviously improve the secretion of IFN-alpha in a mouse body, reduce the production of IL-1beta, IL-6 and TNF-alpha, increase the proportion of CD3 + CD4 + and CD3 + CD8 + T cells, and improve the expression of ZO-1 and Occludin in duodenum and jejunum. Compared with single use of fructus forsythiae and bacillus amyloliquefaciens, the biological preparation shows a stronger synergistic effect, can effectively prevent and inhibit escherichia coli infection, and is not easy to generate drug resistance. The preparation method is simple, raw materials are easy to obtain, and the feed additive is suitable for developing antibacterial drugs and feed additives.
Owner:TONGLIAO ACADEMY OF AGRICULTURE & ANIMAL HUSBANDRY SCIENCE

Passivating enzyme soluble concentrate and preparation process thereof

The invention relates to the technical field of biological agents, and discloses a passivating enzyme soluble concentrate and a preparation process thereof.The soluble concentrate takes a specially-designed multifunctional deep eutectic solvent as a unique carrier, and the solvent has the multiple functions of stabilizing enzyme conformation, resisting oxidation, providing plant metabolism and increasing energy and the like. An active component is composite passivating enzyme powder which is subjected to vacuum freeze drying, and is compounded with a plant-derived phloem conduction enhancer in a synergetic manner. The preparation process adopts a core strategy of curing first and then dissolving, and the enzyme freeze-dried powder is dispersed in the non-aqueous solvent under low-temperature mild conditions. By constructing a water-free environment and adopting an activity protection process, the problems that a traditional water-based enzyme preparation is unstable in storage and the activity is easy to lose are fundamentally solved, and meanwhile, the bioavailability is remarkably improved by virtue of a targeted conduction component. The preparation has the remarkable advantages of ultra-long stability at normal temperature, high initial enzyme activity and strong targeting property.
Owner:XINJIANG LUFENGYUANLIN AGRICULTURE CO LTD

Size-controllable bacteriophage hydrogel microspheres and preparation method thereof

This invention belongs to the field of biopharmaceutical technology and specifically discloses size-controlled bacteriophage hydrogel microspheres and their preparation method. The hydrogel microspheres are composed of bacteriophage, a polymer carrier, and a curing agent and are prepared using electrostatic spray technology. Compared with existing hydrogel microsphere preparation methods, these hydrogel microspheres can significantly prolong the sustained release time of bacteriophage in the intestinal environment and improve their stability in the gastric environment. Furthermore, by adjusting the preparation parameters, the size of the microspheres can be flexibly controlled to meet different application scenarios and needs.
Owner:HUAZHONG AGRI UNIV

Nanoparticles encapsulating soluble biologics, therapeutics, and imaging agents

An “inverse” precipitation route to precipitate aqueous soluble species with copolymers as nanoparticles having a hydrophilic, polar core and a less polar shell is described.
Owner:THE TRUSTEES OF PRINCETON UNIV

Bifidobacterium longum subsp. infantis, microbial agent and use thereof

The present disclosure relates to the field of cosmetics, and particularly to Bifidobacterium longum subsp. infantis, a microbial agent and use thereof. The present disclosure provides Bifidobacterium longum subsp. infantis, with preservation No. CGMCC NO. 27851. A species related to in the present disclosure can achieve efficacies of repairing, anti-inflammation, whitening and the like in food and beauty fields, has a wider range of efficacies, and can play a better role in the field of beauty and skin care.
Owner:GUANGZHOU JIYAN COSMETICS TECH CO LTD +1

Application of vitamin K3 in preparation of medicine for treating psoriasis

The invention belongs to the technical field of biological medicines, and discloses application of vitamin K3 in preparation of a medicine for treating psoriasis. The invention finds that the compound vitamin K3 can obviously inhibit the activation of the STING downstream immune pathway and has an inhibition effect on the activation of the STING pathway. A mouse psoriasis model is formulated according to the absorption and metabolism characteristics of the inhibitor VK3, and it is proved that the VK3 can significantly inhibit the process of psoriasis and up-regulation of an STING pathway at an affected part in a transdermal drug delivery mode. The STING pathway does not belong to a main pathway affecting the course of disease in most non-immunodeficient inflammatory diseases, so that a better treatment effect may be generated by using the STING pathway in combination with a direct treatment drug (such as an IL-17A antibody for psoriasis). The vitamin K3 is simple in chemical structure, mature in production process and low in preparation cost, has more remarkable price advantage compared with biological agents and small-molecule targeting drugs, and has high popularization value and application prospects.
Owner:SUN YAT SEN UNIV

Method for preventing dsRNA bacterial liquid from being degraded by ultraviolet, biological preparation for preventing and treating bemisia tabaci and prevention and treatment method

The invention discloses a method for preventing dsRNA bacterial liquid from being degraded by ultraviolet, a biological preparation for preventing and controlling bemisia tabaci and a prevention and control method, and belongs to the technical field of pest prevention and control. The method for preventing the dsRNA bacterial liquid from being degraded by ultraviolet comprises the following steps: mixing the dsRNA bacterial liquid with a UV protective agent to prepare a mixed solution of the UV protective agent and the dsRNA bacterial liquid; the UV protective agent is one of potassium humate and sodium humate. The UV protective agent provided by the invention can effectively avoid degradation of dsRNA bacterial liquid, so that the dsGawky can give full play to the fatal effect on bemisia tabaci, and the target of pest control is accurately achieved. The method is efficient, wide in application, easy to formulate, high in insecticidal efficiency and environment-friendly, has the advantages of promoting plant growth and the like, and has a very good application prospect.
Owner:QINGDAO AGRI UNIV

New green prevention and treatment method for false smut

The invention relates to the field of ustilaginoidea virens prevention and treatment, and discloses a novel green ustilaginoidea virens prevention and treatment method which comprises the following steps: S1, irradiating seeds through a sterilization waveband ultraviolet lamp; s2, spraying the biological agent to rice plants in the booting stage of the rice; s3, selecting matrine plant extract to spray rice plants at a key stage when the rice is close to a crevasse and is about to enter a susceptible disease; s4, applying the electrolyzed water generator to prepare weakly acidic electrolyzed water in the heading stage of the rice, and spraying the weakly acidic electrolyzed water to the rice plants. Green prevention and control means such as ultraviolet sterilization, biological agents, plant extracts and electrolyzed water are adopted, the base number of pathogenic bacteria is reduced by treating seeds through ultraviolet rays, chemical residues are not introduced, bacillus subtilis serves as the biological agents, bacteria are used for bacteriostasis, matrine plant extracts are natural, and the environment-friendly effect is achieved. The weakly acidic and weakly alkaline electrolyzed water prevents and controls diseases by virtue of unique physicochemical properties, and is pollution-free.
Owner:INST OF PLANT PROTECTION JIANGXI ACAD OF AGRI SCI +1

Bacillus velezensis YP-5 and application thereof

The invention discloses a bacillus velezensis YP-5 strain and an application thereof. Relates to the technical field of microorganisms. The invention provides a preservation number, a fungicide, a method for improving the planting capacity of bacillus velezensis in tea tree leaves and specific application. The bacillus velezensis YP-5 is high in control effect and wide in control spectrum. In addition, under the technological conditions of the invention, the quantity of colonized bacteria on tea tree leaves is increased by 1.9 times compared with that of a blank control group; after 7 days of treatment, the fixed planting bacteria quantity is 3.42 times of that of a blank control group. Meanwhile, when the microbial agent is sprayed to the tea trees in an indoor environment, the biological control effect on the tea anthracnose can be remarkably enhanced, and the biological control effect is improved by 10.29% compared with that of original YP-5 bacterial liquid. The problem that in the prior art, microbial thalli are weak in adhesion and prone to loss, and consequently the biocontrol capacity of the microbial thalli is weakened is effectively solved, and the method is suitable for industrial application of agricultural microbial preparations.
Owner:江西省经济作物研究所

Lactobacillus paracasei KQNIU, microbial preparation and application of lactobacillus paracasei KQNIU

The invention relates to the technical field of microorganisms, and particularly discloses a lactobacillus paracasei KQNIU, a microbial preparation and application of the lactobacillus paracasei KQNIU. The Lactobacillus paracasei KQNIU is preserved in the China General Microbiological Culture Collection Center on August 25, 2025, the preservation number is CGMCC No.35739, and the Lactobacillus paracasei KQNIU is classified and named as Lactobacillus paracasei, and the Lactobacillus paracasei KQNIU is named as Lactobacillus paracasei KQNIU. The Lactobacillus paracasei KQNIU is named as Lactobacillus paracasei KQNIU. The lactobacillus paracasei KQNIU provided by the invention has good gastrointestinal tract tolerance, has an inhibition effect on pathogenic bacteria such as escherichia coli, salmonella and the like, can be prepared into a microbial preparation or a feed additive for preventing and treating calf diarrhea, replaces antibiotics and realizes green and healthy breeding.
Owner:INNER MONGOLIA UNIV FOR THE NATITIES

Paddy rice endophytic Wille kallaromyces campanulatus GLARF-10, biological preparation thereof and application thereof in preventing and treating rice blast

The invention discloses a rice endophytic Wille kamplaromyces cancerasus GLARF-10, a biological preparation thereof and application of the rice endophytic Wille kamplaromyces cancerasus GLARF-10 in preventing and treating rice blast, and belongs to the technical field of biopesticides. According to the present invention, the Wille kamplaromyces cerevisiae GLARF-10 is preserved in Guangdong Microbial Culture Collection Center on December 31, 2024, and the preservation number of the Wille kamplaromyces cerevisiae GLARF-10 is GDMCC No: 65695. The fermentation liquor or the supernate of the deliciosus velava GLARF-10 is used for preparing a corresponding biological agent; the cyanobacteria velava GLARF-10 and the biological preparation of the cyanobacteria velava GLARF-10 are applied to prevention and treatment of rice blast. The bacillus subtilis is mainly used for inhibiting normal growth of magnaporthe oryzae and has an excellent potential biocontrol effect of preventing and treating the magnaporthe oryzae, fermentation liquor or supernate of the bacillus subtilis is sprayed to rice tissues by controlling the biomass of the bacillus subtilis to be used for preventing and treating the magnaporthe oryzae, and the influence on the ecological environment is small; the strain is low in culture condition requirement and has good development and application prospects.
Owner:RICE RES INST GUANGDONG ACADEMY OF AGRI SCI

Method for detecting Anti-drug antibodies against self-assembling trimeric biologics using an affinity capture elution-protein a / g assay

A method and kit are provided for detecting anti-drug antibodies (ADAs) against self-assembling trimeric biologics, such as XPro1595, a pegylated variant of soluble human Tumor Necrosis Factor, in biological samples, particularly human serum. The method employs an Affinity Capture Elution-Protein A / G (ACE-AG) assay that overcomes non-specific reagent interactions inherent in conventional bridging and standard ACE assays due to the biologic's dynamic monomer exchange. The assay utilizes a two-plate system: a streptavidin-coated plate with biotinylated trimeric biologic captures ADAs, which are eluted, neutralized, and transferred to a protein A / G-coated plate for specific immunoglobulin capture and detection with a sulfo-tagged trimeric biologic via electrochemiluminescence. The kit includes pre-coated plates, labeled biologics, elution and neutralization solutions, assay buffer, confirmatory reagent, and instructions. The assay offers a robust, specific, and sensitive solution for immunogenicity testing of trimeric biologics.
Owner:INMUNE BIO INC

Microbial agent for preventing and treating nematode diseases as well as preparation method and application of microbial agent

The invention provides a microbial agent for preventing and treating nematode diseases as well as a preparation method and application thereof, and relates to the technical field of organic fertilizers, the microbial agent is mainly prepared from the following raw materials in percentage by mass: 60-75% of microbial thalli; 25%-40% of an additive; wherein the microbial thalli are prepared from purpureocillium lilacinum, bacillus subtilis, brevibacillus laterosporus, bacillus mucilaginosus and lactobacillus sporogenes. Through the collaborative design of a specific strain combination and a functional additive, the stress resistance and colonization ability of the microbial inoculum in a complex soil environment can be effectively improved, meanwhile, an efficient synergistic mechanism of fungi and bacteria is established, the microbial inoculum can adapt to complex soil types, and the control effect on nematodes can be effectively improved. The invention fundamentally solves the industrial obstacles of poor environmental adaptability, short lasting period, single function and the like of biological agents, and provides a solution for large-scale application for chemical pesticide substitution.
Owner:YANTAI SHUIHETU BIOTECHNOLOGY CO LTD

Fine chemical production gas treatment device

The invention discloses a fine chemical production gas treatment device, belongs to the technical field of gas treatment devices, and aims to solve the problems that pollutants in waste gas cannot be fully degraded by microorganisms, local areas are unsmooth in ventilation and the waste gas is polluted due to the fact that pores of a biological membrane are easy to drop when the waste gas is treated by a biological agent for a long time. The device comprises a treatment tank and a gas inlet communicated with one side of the lower part of the treatment tank, and when the porosity of gas inlet hole gaps in the lower surface of a first treatment mechanism is reduced due to overgrowth of a biological membrane and deposition of particulate matters, or the flow and pressure of introduced waste gas are suddenly increased, the gas inlet hole gaps in the lower surface of the first treatment mechanism can be subjected to secondary treatment, so that the effective reaction space is reduced, and the ventilation treatment efficiency is improved. The pressure of the first treatment mechanism is shared by the second treatment mechanism, so that the device can automatically adjust ventilation along with the change of air pressure, the degradation capacity is instantly supplemented, and the problems that the stability of the device is damaged, the waste gas treatment effect becomes poor, or the waste gas cannot be treated and is directly discharged to cause pollution are solved.
Owner:李燕飞

Peptidoglycan hydrolase lysph1 having broad-spectrum lytic activity, and mutant and use thereof

PCT designated stageWO2025251550A1Antibacterial agentsPeptide/protein ingredientsEscherichia coliPeptidoglycan Hydrolase
A peptidoglycan hydrolase LysPH1 having a broad-spectrum lytic activity, and a mutant and the use thereof, which belong to the technical field of biological formulations. An antibacterial peptide LysPH1-CP, a peptidoglycan hydrolase LysPH1 containing the antibacterial peptide LysPH1-CP and a peptidoglycan hydrolase mutant LysPH1-K containing the peptidoglycan hydrolase LysPH1 all have good thermal stability, and can broadly lyse both Gram-negative bacteria and Gram-positive bacteria. Moreover, the peptidoglycan hydrolase LysPH1 and the peptidoglycan hydrolase mutant LysPH1-K can be solubly expressed in Escherichia coli, and have high enzymatic activity. Therefore, the antibacterial peptide LysPH1-CP, the peptidoglycan hydrolase LysPH1 and the peptidoglycan hydrolase mutant LysPH1-K have good application prospects in the preparation of an anti-infective drug and the research and development of feed additives.
Owner:WUHAN INST OF VIROLOGY CHINESE ACADEMY OF SCI

Compound microbial agent as well as preparation method and application thereof

The invention relates to the technical field of biological agents, and particularly discloses a compound microbial agent as well as a preparation method and application thereof. The compound microbial agent provided by the invention comprises compound bacillus, a carrier and a coating agent, the composite bacillus comprises bacillus velezensis, bacillus atrophaeus and bacillus firmus with the viable count ratio of (3-7): (1-4): 2; the viable count of the compound microbial agent is greater than or equal to 5 * 10 < 9 > cfu / g; the invention also provides a preparation method of the compound microbial agent. The preparation method comprises the following steps: strain fermentation, carrier adsorption, granulation and enveloping and low-temperature drying. The compound microbial agent provided by the invention can improve the soil structure, enhance the soil fertility and inhibit soil-borne diseases, so that the growth condition of crops is improved, and the quality and yield of the crops are improved.
Owner:BEIJING GOLDENWAY BIO TECH

PD-L1 K263 acetylation modified antibody as well as preparation method and application thereof

The invention relates to the technical field of biological medicines, and discloses a PD-L1 K263 acetylation modified antibody, which is prepared from an immunogen containing a sequence as shown in SEQ ID NO.1. The PD-L1 K263 acetylation modified antibody is a PD-L1 K263 acetylation modified antibody. The invention also discloses a preparation method of the PD-L1 K263 acetylation modified antibody. The preparation method comprises the following steps: designing and synthesizing a polypeptide antigen, preparing an immunogen, immunizing animals, purifying the antibody and evaluating serum titer. The antibody provided by the invention can accurately recognize and combine with the PD-L1 protein subjected to K263 acetylation modification in the breast cancer, provides a specific tool for qualitative and quantitative detection of K263Ac-PD-L1 in the breast cancer, and provides a reliable molecular marker detection means for evaluating the curative effect of anti-PD-1 / PD-L1 immunotherapy; therefore, a biological preparation with specificity and practicability and a technical support are provided for accurate diagnosis, targeted therapy and curative effect monitoring of breast cancer.
Owner:SHENZHEN SECOND PEOPLES HOSPITAL (SHENZHEN INST OF TRANSLATIONAL MEDICINE)