Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

10948results about "Disinfectants" patented technology

Applications of cladosporium sp. Strain and synthetic flora thereof in plant growth promotion and bacterial wilt prevention and control

The invention relates to the technical field of microorganisms, in particular to application of a cladosporium spp. Strain and a synthetic flora thereof in plant growth promotion and bacterial wilt prevention and treatment, the cladosporium spp. HX2 is a new strain, has a good symbiotic relationship with tomatoes, has a good prevention effect on tomato bacterial wilt, and has a good application prospect in plant growth promotion and bacterial wilt prevention and treatment. After the bacterial strain is mixed with congeneric strains LJ1, MS2 and LC3 to prepare a cladosporium bacterial agent, the growth-promoting and disease-resisting capabilities of the bacterial agent are enhanced, and experiments show that the synthetic flora has a good growth-promoting function on tomatoes and fresh ginger, the yield of the fresh ginger is remarkably increased, and the growth vigor of tomato plants is improved; meanwhile, the synthetic flora also has a good prevention and treatment effect on bacterial wilt of tomatoes, fresh ginger and tobaccos, and can improve the bacterial wilt resistance of plants, so that the strain HX2 and the synthetic flora prepared from the strain HX2 can be used as an anti-microbial agent or a raw material for preparing a bio-organic fertilizer in the later period.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI

Bacillus velezensis NJ157 and application thereof

The invention provides bacillus velezensis NJ157 and application thereof, and relates to the technical field of biological pesticides. The bacillus velezensis NJ157 can resist saline and alkaline, has a good inhibition effect on ralstonia solanacearum, rhizoctonia solanacearum, fusarium moniliforme and phytophthora capsici, and can effectively prevent and treat tomato bacterial wilt, root rot and fruit rot. The bacillus velezensis NJ157 disclosed by the invention also has relatively strong capability of producing protease, cellulase and IAA (Indoleacetic Acid), and has a relatively good growth promoting effect on tomatoes, and a fungicide prepared from the biocontrol bacterium does not cause pollution to the ecological environment in a use process, and is pollution-free. By using the biocontrol bacterium disclosed by the invention, the dosage of other chemical pesticides can be reduced, the prevention and control cost of tomato diseases is reduced, the tomato growth is promoted, and the biocontrol bacterium has a good popularization value.
Owner:SANYA INSTITUTE OF NANJING AGRICULTURAL UNIVERSITY +1

Paenibacillus polymyxa FangSG106 as well as application, product and method thereof

The invention relates to paenibacillus polymyxa FangSG106 as well as application, a product and a method thereof, and belongs to the technical field of microorganisms. The invention provides paenibacillus polymyxa FangSG106, the preservation number of the paenibacillus polymyxa FangSG106 is CGMCC (China General Microbiological Culture Collection Center) No.31655. The invention also provides application of the paenibacillus polymyxa FangSG106 with the preservation number of CGMCC No.31655 in the aspects of non-treatment-destination bacteriostasis, plant disease prevention and treatment and plant growth promotion, and based on the paenibacillus polymyxa FangSG106, the application of the paenibacillus polymyxa FangSG106 in the aspects of non-treatment-destination bacteriostasis, plant disease prevention and treatment and plant growth promotion is The invention provides a plant growth promoter, a biopesticide, a method for preventing and treating plant diseases, a method for promoting plant growth and a bacteriostasis method. The paenibacillus polymyxa FangSG106 disclosed by the invention has broad-spectrum antibacterial activity, and can be used for effectively preventing and treating plant diseases and promoting plant growth.
Owner:漯河微康农业生物科技有限公司

Nano enzyme as well as preparation method and application thereof

The invention provides a nano enzyme as well as a preparation method and application thereof. The preparation method of the nano enzyme comprises the following steps: adding a stabilizer into a preheated solvent, and carrying out ultrasonic treatment; then adding ferric salt and cobalt salt, and adding alkali to adjust the pH value of the solution; then transferring the solution into a reaction kettle for reaction; and after the reaction, washing and separating to obtain the product. The obtained nano-enzyme is appropriate and uniform in particle size and good in dispersity, the enzyme activity is as high as 9.56 U / mg, and the application of the nano-enzyme in immunochromatography detection and plant canker prevention and treatment is widened. When the immunochromatography detection card prepared from the nano enzyme is used for detecting human hemoglobin, the detection limit can reach 0.05 ng / mL and is at least 10 times lower than that of a commercially available kit. When the nano-enzyme suspension is used for preventing and treating the kiwifruit canker, the nano-enzyme suspension with the concentration larger than or equal to 0.1 mg / mL is used, and the plant canker can be well controlled.
Owner:CHONGQING KANGJU QUANHONG BIOTECHNOLOGY CO

Bacillus velezensis SMB1 and application thereof in preventing and treating plant diseases

The invention relates to bacillus velezensis SMB1 and application thereof in prevention and treatment of plant diseases, and belongs to the technical field of biological prevention and treatment of plant diseases. The strain is preserved in the China Center for Type Culture Collection on November 27, 2024, the preservation address is Luojia mountain, Luojia mountain, eight road, Wuchang District, Wuhan City, Hubei Province, and the preservation number is CCTCC NO: M20242647. The bacillus velezensis SMB1 provided by the invention has a remarkable bacteriostatic effect on plant pathogenic fungi, plant pathogenic oomycetes, plant pathogenic bacteria and animal pathogenic bacteria, has an extremely good broad-spectrum bacteriostatic function, has a great application potential in biological control of plant diseases, can reduce the use of chemical pesticides, and has a good application prospect. The pesticide residue in agricultural products is reduced, the environment is protected, and the urgent demand on pollution-free agricultural product production at present is met.
Owner:SHANDONG UNIV

Novel Streptomyces sporosporus strains and novel antibiotics against bacteria and fungi

PendingCN119497748ABiocideOrganic active ingredientsSporeUV-Mutagenesis
Disclosed is a novel Streptomyces sporosporus strain SC263 produced by UV mutagenesis, the produced antibiotics exhibit increased thermal stability, which exhibit antibiotic activity against bacteria and fungi. Antibiotics produced by SC263 and compositions thereof are also provided for the treatment of bacterial and fungal infections. The antibiotics have a very high molecular weight, which is suitable for topical administration.
Owner:NAT TAIPEI UNIV OF TECH

Defense pseudomonas P150 and application thereof

The invention provides a Pseudomonas protegens P150 strain and an application of the Pseudomonas protegens P150 strain, and belongs to the technical field of biocontrol bacteria. The defensive pseudomonas P150 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.34520, the preservation time is May 13, 2025, and the preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. The defensive pseudomonas P150 disclosed by the invention has the effects of inhibiting various pathogenic bacteria, producing enzymes, promoting growth and preventing and treating tomato bacterial wilt and soybean pustule. The microbial inoculum prepared by adopting the biocontrol bacterium can reduce the dosage of chemical pesticides and the prevention and control cost of plant diseases, is green and pollution-free, can be used for preventing and controlling tomato bacterial wilt and soybean pustule, and has a relatively good popularization value.
Owner:SANYA INSTITUTE OF NANJING AGRICULTURAL UNIVERSITY +1

Saline-alkali tolerant endophytic bacillus subtilis and application thereof in improvement of saline-alkali soil

ActiveCN119709492ABiocideAgriculture tools and machinesBiotechnologyColletotrichum gossypii
The invention provides a salt-alkali-tolerant endophytic bacillus subtilis strain and application thereof in improvement of saline-alkali soil, and belongs to the technical field of biological bacteria. According to the invention, a salt and alkali tolerant endophytic bacillus strain NXO3 is obtained from stems and leaves of suaeda salsa, and is identified as bacillus subtilis (bacillus subtilis); the strain has the capabilities of dissolving phosphorus, fixing nitrogen and generating indoleacetic acid (IAA) and polyglutamic acid, and has a remarkable inhibition effect on a plurality of plant pathogenic bacteria such as fusarium neosporum, colletotrichum gloeosporioides, fusarium graminearum, fusarium oxysporum and cavity microsporum. The agricultural microbial agent containing 0.3 billion / g of NXO3 is prepared through formula optimization. The bacillus subtilis NXO3 has a remarkable saline-alkaline tolerance function, a plant growth promoting effect and a biocontrol effect on plant diseases, and the emergence rate and the yield of crops in saline-alkaline land can be increased.
Owner:HEBEI NORMAL UNIVERSITY OF SCIENCE & TECHNOLOGY +1

Application of bottle cladosporium LC3 in crop growth promotion and bacterial wilt resistance

The invention relates to the technical field of microorganisms, in particular to application of Cladosporium LC3 in crop growth promotion and bacterial wilt resistance, the strain LC3 belongs to Cladosporium and Cladosporium immonda species, the strain is separated from Guangxi sugarcane rhizosphere soil, experimental evaluation screening finds that the strain has a good growth promotion function on tomatoes and fresh ginger, and the strain can be applied to crop growth promotion and bacterial wilt resistance. The yield of ginger is remarkably increased, and the growth vigor of tomato plants is effectively improved; meanwhile, the strain has a good prevention and treatment effect on tomato and ginger bacterial wilt and has good plant bacterial wilt resistance, and screening verification of the strain provides a new fungicide and a raw material for later-period growth of an anti-microbial agent or a biological organic fertilizer.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI

Phytophthora plant pathogenic oomycete histone lysine methyl transfer protein as well as coding gene and application thereof

The invention discloses a phytophthora plant pathogenic oomycete histone lysine methyl transfer protein as well as a coding gene and application thereof. Wherein the phytophthora sojae histone lysine methyltransferase KMT3-1 is as shown in a sequence 2 in the specification, and the phytophthora sojae histone lysine methyltransferase KMT3-1 is as shown in a sequence 2 in the specification; the coding gene is shown as a sequence 1. Experiments prove that the KMT3-1 protein plays an important role in the growth and development process of phytophthora sojae, specifically, after the protein is deleted, the growth rate of phytophthora hyphae is slowed down, the sporangium yield is remarkably reduced, the release of zoospores is stopped, the oospore yield is reduced, the pathogenicity is reduced, and the like. Corresponding histone methyltransferase inhibitors have different degrees of activity on typical plant pathogenic oomycetes such as phytophthora sojae, phytophthora capsici and phytophthora infestans. The gene provided by the invention has great application potential in the aspect of preventing and controlling the crop epidemic diseases caused by phytophthora plant pathogenic oomycetes, and a novel bactericide developed on the basis of the protein as an action target has important practical significance in controlling the occurrence and prevalence of the crop epidemic diseases caused by phytophthora.
Owner:CHINA AGRI UNIV

Antibacterial peptide cAMP048 and application thereof

The invention provides an antibacterial peptide cAMP048 sourced from microorganisms in a deep sea environment and application of the antibacterial peptide cAMP048, and belongs to the technical field of peptide inhibitors. The antibacterial peptide cAMP048 has an amino acid sequence as shown in SEQ ID NO: 1 (Sequence Identity Number 1). The antibacterial peptide can inhibit the growth of acinetobacter baumannii at 64 mu M, inhibit the growth of multi-drug-resistant acinetobacter baumannii and multi-drug-resistant enterococcus faecium at 128 mu M and inhibit the growth of escherichia coli, staphylococcus aureus and multi-drug-resistant klebsiella pneumoniae at 256 mu M. The antibacterial peptide can be used for preparing products with antibacterial and / or bactericidal performance, and can be applied to preparation of antibacterial and / or bactericidal products. Such as food, skin care products or medical supplies.
Owner:BGI RESEARCH SANYA

Application of bacillus velezensis Bv-6 in prevention and treatment of plant viruses

The invention belongs to the technical field of microbial pesticides, and particularly relates to application of bacillus velezensis Bv-6 in prevention and treatment of plant viruses. The invention aims to provide a new choice for biological control of plant virus diseases. According to the technical scheme, the invention relates to application of bacillus velezensis Bv-6 in prevention and treatment of plant virus diseases, and the preservation number of the Bv-6 is CCTCC (China Center for Type Culture Collection) No: M20191106. The invention finds that the bacillus velezensis Bv-6 fermentation liquor and the wettable powder of the bacillus velezensis Bv-6 fermentation liquor can be used for effectively preventing and treating plant virus diseases caused by tobacco mosaic virus (Tobacco mosaic virus) and turnip mosaic virus (Turnip mosaic virus) for the first time.
Owner:HUAZHONG AGRI UNIV

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

Oil suspending agent containing pleuromutilin and preparation method thereof

The invention belongs to the field of pesticide preparations, and particularly relates to an oil suspending agent containing pleuromutilin and a preparation method of the oil suspending agent. According to the invention, by optimizing the formula, the obtained oil suspending agent can effectively prevent and treat bacterial diseases, the dosage form of the oil suspending agent is more beneficial to application to spraying method pesticide application, and the embodiment verifies that the prevention and treatment effect on the bacterial diseases can reach 90% or above under the condition that the concentration of pleuromutilin is 200PPM. In addition, according to a traditional method, an active compound is obtained through fermentation, and then the active compound is mixed with a corresponding solvent and an auxiliary agent to be processed into a dosage form, so that the cost is high, and great pollution is brought. The method provided by the invention not only meets the control requirements on bacterial diseases, but also saves the energy and power cost from the aspect of process, reduces the use of solvents, is more beneficial to environmental protection, and thus has great economic benefits, environmental benefits and ecological benefits.
Owner:SHAANXI GELIDA BIOTECHNOLOGY CO LTD

Antibacterial peptide with broad-spectrum antibacterial effect, antibacterial product and application

The invention belongs to the field of antibacterial peptides, and particularly relates to an antibacterial peptide with a broad-spectrum antibacterial effect, an antibacterial product and application. The antibacterial peptide is named as CAMP1111NC, and is obtained by performing N-terminal acetyl end capping and C-terminal amino end capping on polypeptide shown in SEQ ID NO: 1. The antibacterial peptide has remarkable antibacterial activity on a staphylococcus aureus standard strain ATCC12600, pseudomonas aeruginosa PAO1, klebsiella pneumoniae, an acinetobacter baumannii standard strain ATCC19606, methicillin-resistant staphylococcus aureus ATCC33591, methicillin-resistant and gentamicin-resistant staphylococcus aureus ATCC33592 and acinetobacter baumannii bio-53272 resistant to various antibiotics, and the antibacterial peptide can be used for preparing the antibacterial peptide. The limitation of the traditional antibacterial peptide is effectively overcome.
Owner:OCEAN UNIV OF CHINA

Compound microbial agent and application thereof in prevention and control of tomato brown fruit wrinkling virus disease

The invention relates to the technical field of microorganisms, in particular to a compound microbial agent and application thereof to prevention and control of tomato brown fruit wrinkling virus diseases, and the compound microbial agent comprises a microbial agent formed by compounding bacillus velezensis WF02 and low-temperature-resistant bacillus WF04, can improve rhizosphere soil of tomato plants and micro-ecological environment in the plants, and has the effects of improving tomato yield and preventing and controlling tomato brown fruit wrinkling virus diseases. The systematic resistance of plants for preventing the tomato brown fruit crinkling virus is activated, the field control effect on the tomato brown fruit crinkling virus can reach 73.06%-79.64%, and the influence of the tomato brown fruit crinkling virus on the tomato yield and quality is effectively reduced; the low-temperature-resistant bacillus WF04 can promote the growth and development of root systems of tomato seedlings in low-temperature and drought environments and assist the bacillus velezensis WF02 to quickly enter tomato plants.
Owner:WEIFANG INST OF TECH +1

Antibacterial modified waterborne polyurethane as well as preparation method and application thereof

The invention belongs to antibacterial materials, and particularly relates to antibacterial modified waterborne polyurethane and a preparation method and application thereof.The preparation method of the antibacterial modified waterborne polyurethane comprises the following steps that polyol and diisocyanate are mixed and subjected to a prepolymerization reaction, and a polyurethane prepolymer is obtained; mixing the polyurethane prepolymer and a chain extender, and carrying out chain extension reaction; in the chain extension reaction, adding the graft and carrying out esterification reaction to obtain a first intermediate; mixing the first intermediate with triethylamine and carrying out neutralization reaction to obtain a second intermediate; and emulsifying the second intermediate in deionized water to obtain the antibacterial modified waterborne polyurethane. Compared with the prior art, the antibacterial waterborne polyurethane has the advantages that the problems of poor intermiscibility, low durability and the like in physical addition and the problems of limited binding objects and weak antibacterial effect in covalent binding in the antibacterial waterborne polyurethane in the prior art are solved. According to the scheme, arginine and chitosan are grafted to a molecular chain of waterborne polyurethane, so that the waterborne polyurethane is endowed with a synergistic antibacterial property.
Owner:SHANGHAI HUIDE TECH CO LTD +1

Antimicrobial combinations

The present invention primarily relates to the use of use of one or more compound(s) selected from the group as defined herein in constituent (i) to improve the antimicrobial effect of one or more compound(s) selected from the group as defined herein in constituent (ii) and / or the use of one or more compound(s) selected from the group as defined herein in constituent (ii) to improve the antimicrobial effect of one or more compound(s) selected from the group as defined herein in constituent (i). Moreover, the present invention relates to the use of a mixture comprising or consisting of constituents (i) and (ii) as defined herein for providing an antimicrobial effect, preferably to a solid or liquid personal care product or to a semi-finished product. The present invention further relates to a process for improving the antimicrobial effect of one or more compound(s) as defined in step a) and / or of one or more compound(s) as defined in step b) and a process for antimicrobial stablilisation of a personal care product or a semi-finished product as defined herein. It also relates to a mixture comprising or consisting of constituents (i) and (ii) as defined herein, preferably wherein the total amounts of constituents (i) and (ii), respectively, contained in the mixture are such that constituent (i) synergistically improves the antimicrobial effect of constituent (ii) and / or that constituent (ii) synergistically improve(s) the antimicrobial effect of constituent (i).
Owner:SYMRISE GMBH & CO KG

Bactericide and application thereof

PendingCN120021639ABiocideDisinfectants
The invention discloses a bactericide and application thereof, the bactericide comprises an active component, and the active component is one or more of spearmint oil and L-carvone. The pesticide can effectively inhibit citrus canker pathogens, takes effect quickly, is free of residues, improves the citrus quality, and has a better effect compared with basic copper sulfate. The kiwifruit canker pathogen inhibitor can effectively inhibit kiwifruit canker pathogen, takes effect quickly, is free of residues, improves the kiwifruit quality, and has a better effect compared with kasugamycin.
Owner:HUNAN VANADIUM HIGH-TECH DEV CO LTD

Antibacterial peptide with antibacterial and antiviral effects as well as application and product thereof

The invention belongs to the technical field of genetic engineering, and particularly relates to an antibacterial peptide with antibacterial and antiviral effects and application and a product thereof. The amino acid sequence of the antibacterial peptide provided by the invention has the following general formula: X1GX2FX3FX4KKFX5LFX6X7SKVLK, x1 is M or has no amino acid; x2 is one of R, G and H; x3 is one of KS, KR, HR and HH; x4 is R or L; x5 is one of KK, HH and HK; x6 is RR or KK; and X7 is I or L. The antibacterial peptide disclosed by the invention has a relatively good antibacterial effect, and shows antiviral activity on HPV16 (Human Papilloma Virus 16) and HPV18 (Human Papilloma Virus 18). Good application prospects are shown in the preparation of antibacterial or antiviral products.
Owner:HANGZHOU JIYUE BIOTECHNOLOGY CO LTD

Quinolinone compound, preparation method and application of quinolinone compound in prevention and treatment of plant diseases

The invention belongs to the technical field of medicinal chemistry, and particularly relates to quinolinone compounds, a preparation method and application of the quinolinone compounds in prevention and treatment of plant diseases. Compared with the prior art, the quinolinone compound is synthesized and applied to plant disease control, and the technical problem that the bacterial disease treatment effect of a chemical bactericide is reduced due to the fact that the resistance of original bacteria to the bactericide is enhanced in the plant bacterial disease treatment process is solved.
Owner:GAUNGXI TIANYUAN BIOCHEM

Preparation method of acid-resistant and corrosion-resistant porous composite electrode, preparation method of electrolysis device and application method of electrolysis device

The invention provides a preparation method of an acid-resistant and chlorine-corrosion-resistant porous composite electrode and a device constructed on the basis of the electrode and used for preparing hydrogen and chlorine by electrolyzing a sodium chloride solution, two cavities are provided, an acid or neutral saturated sodium chloride solution is filled in the cavities, the cavities are separated by a proton exchange membrane or a diaphragm, and the proton exchange membrane or the diaphragm is filled in the cavities. And in the electrolysis process, the cathode generates high-purity hydrogen, the anode generates high-purity chlorine, the chlorine is absorbed by sodium hydroxide in the gas collection bottle and generates sodium hypochlorite, or the chlorine is introduced into a sodium bromide / sodium iodide solution to replace bromine / iodine elementary substances, and the chlorine is discharged from the gas collection bottle. The sodium hypochlorite solution and the bromine / iodine water are used for disinfection and sterilization experiments. The corrosion-resistant porous composite electrode for electrolysis of an acidic or neutral saturated sodium chloride solution is prepared, the electrolysis voltage of the corrosion-resistant porous composite electrode is further reduced by loading a cathode / anode catalyst, and an acidic or neutral saturated sodium chloride solution electrolysis device constructed based on the electrode can be used for preparing high-purity hydrogen and chlorine.
Owner:NINGBO UNIV

Growth-promoting Prussia adamsii M6 and application thereof

The invention belongs to the technical field of microorganisms, and provides a growth-promoting P.adami M6 and application thereof, the P.adami M6 is preserved in the China Center for Type Culture Collection, the preservation number is CCTCC No: M20242835, the preservation date is December 18, 2024, the preservation number is CCTCC No: M20242835, the preservation number is CCTCC No: M20242835, the preservation number is CCTCC No: M20242835, and the preservation number is CCTCC No: M20242835. The strain is separated from rhizosphere soil of field planting foxtail millet in the Inner Mongolia red peak area, and is obtained through artificial separation and purification; the strain has the growth promoting characteristics of nitrogen fixation, phosphorus dissolution, IAA production and siderophore production; the M6 fungicide is used for inoculating millet, so that the growth of millet seedlings can be obviously promoted, and the plant height, the root length and the overground part and underground part biomass of the millet are obviously increased; m6 is used as a microbial agent to soak seeds during sowing and irrigate a bacterial liquid once 7 days after sowing, so that the growth effect of millet is best.
Owner:INNER MONGOLIA AGRICULTURAL UNIVERSITY

Bacillus velezensis JNJK-1, microbial agent and application of bacillus velezensis JNJK-1 in edible fungus disease control

The invention relates to the technical field of biological control, in particular to bacillus velezensis JNJK-1, a microbial agent and application of the bacillus velezensis JNJK-1 and the microbial agent in edible fungus disease control, the bacillus velezensis JNJK-1 is preserved in China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CMCC No.31075. The novel bacillus velezensis JNJK-1 is screened out for the first time, and the bacillus velezensis can be applied to biological control of edible mushroom diseases and has a broad-spectrum inhibition effect on pathogenic bacteria of edible mushrooms. Meanwhile, the inventor also finds that the bacillus velezensis JNJK-1, curcumin and sodium alginate are compounded into the microbial agent, so that the inhibition effect on the pathogenic bacteria of the edible fungi can be improved, and the microbial activity can be maintained.
Owner:JINING ACAD OF AGRI SCI

Porphyrin-based covalent organic framework nano material, preparation method and application of porphyrin-based covalent organic framework nano material in polyurethane

The invention discloses a porphyrin-based covalent organic framework nano material, a preparation method and application of the porphyrin-based covalent organic framework nano material in polyurethane, and belongs to the field of functional nano materials and antibacterial materials. The porphyrinyl covalent organic framework nano material is prepared from 5, 10, 15, 20-tetra (4-aminophenyl) porphyrin and bis-(5-formyl furfuryl) ether through a Schiff base reaction, and the structural formula of the porphyrinyl covalent organic framework nano material is # imgabs0. The porphyrinyl covalent organic framework nano material prepared by the invention has relatively high photothermal conversion efficiency when being used as a photothermal agent, and has a relatively good sterilization effect under the condition of relatively low concentration. Besides, based on the porphyrin-based covalent organic framework nano material, a WPUS / Por-COF composite film is prepared, the composite film has excellent mechanical properties and excellent photothermal conversion efficiency, and has a good sterilization effect under the condition of relatively low concentration, bacteria can be inactivated within a short time, and the sterilization rate can reach 99% or above.
Owner:HEFEI UNIV

Antibacterial nylon material as well as preparation method and application thereof

The invention discloses an antibacterial nylon material as well as a preparation method and application thereof, relates to the technical field of antibacterial high polymer materials, and solves the problems of poor antibacterial performance and difficulty in industrial production of existing antibacterial nylon 6. The preparation method comprises the following steps: mixing a seven-membered cyclic lysine derivative monomer with lactam, and carrying out hydrolytic polymerization by taking water as an initiator to obtain copolyamide; and placing the copolyamide in an acid solution, heating and stirring to carry out protonation reaction, and purifying the reaction product to obtain the antibacterial nylon material. The seven-membered cyclic lysine derivative monomer is an unprotected cyclic lysine monomer (aminocaprolactam), a single protected cyclic lysine monomer or a salified cyclic lysine monomer. The method can be widely applied to the fields with antibacterial requirements, such as fabrics, plates, pipes, packaging and various panels.
Owner:CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES

Preparation method and application of bimetal organic framework composite fiber membrane

The invention discloses a preparation method and application of a bimetal organic framework composite fiber membrane, and the preparation method comprises the following steps: 1) adding polyacrylonitrile, an organic ligand and a pore-foaming agent into an organic solvent, uniformly stirring and mixing at room temperature, carrying out electrostatic spinning to obtain primary fibers, and soaking the primary fibers to remove the pore-foaming agent, so as to obtain primary fibers; drying to obtain a polyacrylonitrile nanofiber membrane containing the organic ligand; 2) placing the polyacrylonitrile nanofiber membrane in a mixed solution of bimetallic salt to prepare a fiber membrane containing bimetallic MOF (Co / Zn-MOF) crystal nucleus, and washing the fiber membrane with deionized water for three times; and 3) immersing the fiber membrane into an organic ligand solution, reacting at room temperature, washing with deionized water, and drying to obtain a target product. The antibacterial rate of the bimetallic MOF modified nanofiber membrane prepared by the method in 24 hours can reach 99.5% or above, the removal rate of a common anionic dye solution is 80% or above, and the purpose of efficiently and safely treating industrial wastewater is achieved.
Owner:TIANJIN POLYTECHNIC UNIV

Equipment and method for preparing double electrolyzed water based on parallel connection of O3 and H2O2

The invention discloses equipment and method for preparing double-electrolyzed water based on O3 and H2O2 in parallel, and relates to the technical field of disinfectant fluid preparation, the equipment comprises a lower shell and an upper shell, a self-priming pump, an ozone generation device, a hydrogen peroxide generation device and an ultraviolet device are installed in the lower shell, and the ozone generation device and the hydrogen peroxide generation device are arranged in parallel; a water inlet of the self-priming pump is connected with a first quick connector extending out of the side wall of the lower shell, and an outlet end of the ultraviolet device is connected with a second quick connector extending out of the side wall of the lower shell. The ozone generation device and the hydrogen peroxide generation device are connected in parallel, an aqueous solution containing ozone and hydrogen peroxide at the same time is obtained by controlling the proportion of ozone and hydrogen peroxide, photolysis of ozone and hydrogen peroxide is promoted by utilizing the synergistic effect of ozone and hydrogen peroxide and introducing an ultraviolet light source, and therefore more hydroxyl radicals are generated; and compared with an ozone solution, the sterilization effect of the disinfectant fluid is better.
Owner:NINGBO YUANPAI MEDICAL TECHNOLOGY CO LTD

Yunnan golden camellia root endophytic fungus and application thereof

The invention provides Yunnan golden camellia root endophytic fungi and application thereof, and relates to the technical field of crop disease control. The Yunnan camellia nitidissima root endophytic fungus is Lecanicillium vase JHC098 and is preserved in the China Center for Type Culture Collection, the preservation number is CCTCC NO: M 2025749, and a liquid fermentation liquor crude extract of the Lecanicillium vase can be applied to prevention and treatment of crop diseases. The invention overcomes the defects in the prior art, and the crude extract of the liquid fermentation liquor of the endophytic fungus Lecanicillium viculare JHC098 at the root of Yunnan golden camellia can effectively inhibit the growth of pathogenic bacteria such as citrus canker and tobacco bacterial wilt, thereby achieving the purpose of certain biological control.
Owner:YUNNAN ACAD OF FORESTRY