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144 results about "Microbial disease" patented technology

Microbial Diseases-Defined as sicknesses or ailments caused in animals and humans by the introduction of one of four different types of microbes; Bacteria, Viruses, Fungi and Protozoa (also known as protoctista).

Composite nano fiber filtration material with photocatalysis/anti-bacterial functions and preparation method of filtration material

ActiveCN107497182AIncrease spinning speedSolve problems such as easy blockageDispersed particle separationElectro-spinningFiberSpinning
The invention relates to a composite nano fiber filtration material with photocatalysis / anti-bacterial functions and a preparation method of the filtration material. The filtration material comprises a supporting layer and a nano fiber filtration layer which adheres to the surface of the supporting layer, the nano fiber layer is uniformly filled with an photocatalyst and an antibacterial agent, and the preparation method comprises the following steps: 1, preparing a spinning liquid: dispersing a certain amount of the photocatalyst and the antibacterial agent into a solution uniformly to form a dispersion liquid, performing ultrasonic treatment, and adding a high polymer to form a stable and uniform electrostatic spinning solution; 2, performing electrostatic spinning: setting up electrostatic spinning parameters, and performing stretching on the spinning polymer solution at solid metal wire tips for wire production by utilizing an assembled needle head; and 3, performing slight dissolving treatment on the surface of the composite nano fiber filtration material by adopting solvent vapour recovery at a certain releasing speed to obtain the final composite nano fiber filtration material with the photocatalysis / the anti-bacterial functions. The composite nano fiber filtration material effectively solves a problem that the liquid outlet end of a current needle head / spray nozzle used for the electrostatic spinning is easy to block, can be directly used for decomposition of organic pollutants, inactivation of microorganism pathogenes and the like under visible light, and has excellent filtration performance at the same time.
Owner:DONGHUA UNIV

Storing and fresh-keeping method of welsh onion

The invention discloses a storing and fresh-keeping method of welsh onion. The method comprises the following steps: 1, carrying out preharvest treatment: sprinkling a gibberellin and 6-benayl aminopurine mixed aqueous solution on the welsh onion 1-3 days before welsh onion harvesting; 2, carrying out empty store disinfection: carrying out empty store sterilization treatment by using a fumigation disinfectant 1-3 days before the entrance of the welsh onion to the store; 3, harvesting the welsh onion; 4, carrying out rapid pre-cooling and low temperature pre-storage: rapidly pre-cooling the welsh onion in the store, and carrying out low temperature pre-storage for 2-10 days; 5, carrying out fresh-keeping treatment: sterilizing the welsh onion by using a sterilization hot fogging agent in the pre-cooing period before packaging; 6, packaging: packaging 10-25 kg of the fresh-kept welsh onion in every ventilating packaging bag; and 7, refrigerating: and storing the packaged welsh onion at -1 to 0 DEG C under a humidity of 75-80%. The storing and fresh-keeping method of welsh onion, provided by the invention, is practical, safe and effective, realizes the refrigeration of the welsh onion for 4-6 months or more, allows the welsh onion to be fresh, and substantially reduces microbial diseases and the weight loss.
Owner:山东营养源食品科技有限公司

Mass spectrometric diagnosis of sepsis without blood culture

The invention relates to methods and instruments for the rapid detection and rapid mass spectrometric identification of microbial infective agents in blood or other body fluids. The invention recognizes that blood is not a good environment for the cultivation of microbes and provides a method which (a) largely destroys or dissolves the human particles in body fluids, such as erythrocytes and leukocytes in blood, without impairing the ability of the microbes to reproduce, (b) separates the microbial pathogens from the fluid, (c) cultivates them in a nutrient broth which contains none of the antimicrobial components of the body fluids, (d) separates them from the nutrient broth, and (e) identifies the microbes by a mass spectrum of the microbial proteins. The dissolution of the human particles also releases the microbes nesting in macrophages. The cultivation in an optically clear nutrient broth with optimum composition not only accelerates the propagation of the microbes compared to all other cultivation methods, but also makes it possible to continuously measure their quantitative growth starting from a low microbe density. This firstly allows the mass spectrometric identification to be carried out at the earliest possible time, secondly provides a positive detection of microbes far ahead of their identification, which can be lifesaving for the patient; and thirdly makes it possible to start the determination of resistances early.
Owner:BRUKER DALTONIK GMBH & CO KG

Disinfectant for skin and mucosa

A disinfectant for skin and mucosa comprises ketone extracts of radix sophorae flavescentis, fructus cnidii, honeysuckles and liquorice; powder is obtained after shells are calcinated; double-chain quaternary ammonium salt is obtained; and the ketone extracts of the radix sophorae flavescentis, the fructus cnidii, the honeysuckles and the liquorice, the powder obtained after the shells are calcinated and the double-chain quaternary ammonium salt are mixed in an aqueous solution, and then the mixture is prepared into a needed dosage form. The disinfectant has the functions of quick acting, long acting and broad-spectrum killing of bacteria and viruses (such as influenza viruses), adenoviruses and malignant bacteria, the skin and mucosa tissues cannot be damaged, and no irritability or stimulation is caused to normal skin and mucosa tissues. The disinfectant can kill 99% of pathogenic microorganisms (viruses and bacteria) in 5 seconds, the continuous anti-bacteria time is long, the amount of quaternary ammonium salt in the disinfectant is 10-20% of that of quaternary ammonium salt in a conventional disinfectant, and the disinfectant is safer when used on the mucosa. Compared with a quaternary ammonium salt disinfectant for single application, the effect is improved by 10-15 times, and the product LD50 is improved by more than 5-10 times.
Owner:柯 美华

Fruit and vegetable fungicide containing camellia oleifera cake extracting solution and application of fruit and vegetable fungicide

The invention discloses a fruit and vegetable fungicide containing a camellia oleifera cake extracting solution. Effective components are extracted from a camellia oleifera cake and are compounded with a biological fungicide; a mixture is applied to microbial disease and pest control over fruits and vegetables; the camellia oleifera cake extracting solution is compounded with one or several of a trichoderma agent, lactic streptococci and natamycin, and a mixture is diluted for use. The preparation method of the camellia oleifera cake extracting solution comprises the following steps: taking a certain amount of camellia oleifera cake, and adding an extracting agent according to the solid-liquid ratio of 1:(10 to 20) kg/L; carrying out ultrasonic extraction at the temperature of 50 to 80 DEG C for 1 to 4 hours, extracting for two times, then combining the extracting solution, and carrying out vacuum concentration at the temperature of 40 to 70 DEG C, wherein the extracting agent is one or a mixture of acetone, methanol and ethanol, and the concentration is 60 to 90 percent. The fruit and vegetable fungicide disclosed by the invention is formed by compounding a plant source with a biological source; the broad spectrum of the fungicide can be improved, drug resistance of pathogenic bacteria is overcome, the use amount of chemical pesticide can be effectively reduced, and the safety of fruit and vegetable products is improved, so the fruit and vegetable fungicide is a fungicide for effectively preventing and controlling microbial diseases and pests of the fruits and vegetables.
Owner:GUIYANG UNIV
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