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8238results about How to "Good antibacterial effect" patented technology

Zinc thiazole-containing bactericidal composition

The invention provides a zinc thiazole-containing bactericidal composition, which contains an active compound I and a bactericidally active compound II, wherein the active compound I is zinc thiazole; the bactericidally active compound II may be any one of a methoxyacrylate bactericide, a triazole bactericide, an amide bactericide, an iminazole bactericide, a dicarboxylic imide bactericide, a carbamic acid ester bactericide, an antibiotic bactericide, an oxazole bactericide, a morpholine bactericide, a pyrimidine bactericide, a quinazolone bactericide, a dithiocarbamate bactericide or other given bactericides.
Owner:ZHEJIANG XINNONG CHEM CO LTD

Carboxymethyl chitosan / oxidized sodium alginate self-crosslinking antibacterial hydrogel material

The invention discloses a self-crosslinking antibacterial hydrogel material containing carboxymethyl chitosan / oxidized sodium alginate. The material is made from the following components by mass percent: 1-35% of carboxymethyl chitosan, 1-25% of oxidized sodium alginate, 0.01-0.5% of nano-silver and distilled water. The material is prepared by the following steps: preparing the carboxymethyl chitosan by a carboxymethylation reaction of chitosan at the temperature of 10-80 DEG C; preparing the oxidized sodium alginate by an oxidation reaction of sodium alginate at the temperature of 10-45 DEG C; respectively preparing aqueous solution of the carboxymethyl chitosan and aqueous solution of the oxidized sodium alginate; adding the nano-silver solution and blending at certain ratio; and allowing self-crosslinking of the components at the temperature of 10-50 DEG C to produce the antibacterial hydrogel material. The antibacterial hydrogel material has the advantages of low cost, environmental protection, simple process and the like; as the carboxymethyl chitosan has good biocompatibility, the oxidized sodium alginate is nontoxic to human body, and the nano-silver has excellent antibacterial property, the obtained material can be applied to wound dressing, hemostatic materials and the like.
Owner:WUHAN UNIV OF TECH

Trichoderma harzianum composite bacteria culture and application of trichoderma harzianum composite bacteria culture in aspect of plant protection

The invention relates to a trichoderma harzianum composite bacteria culture and application of the same in the aspect of plant protection, and belongs to the technical field of biology. The strain of the trichoderma harzianum composite bacteria culture is preserved in the China General Microbiological Culture Collection Center (CGMCC), and classified and named as Trichoderma harzianum MDCGTH 18, with a preservation number of CGMCC NO.2965. The Trichoderma harzianum MDCGTH 18 composite bacteria culture utilizes antagonistic microbes for biological prevention and treatment, simultaneously has the functions of inducing the disease resistance of plants and increasing the yield, has obvious effect of controlling aspen root rot, apple root rot, citrus yellow shoot, watermelon fusarium wilt, tobacco bacterial wilt, wheat scab, full rot, root rot, banded sclerotial blight, cucumber powdery mildew, downy mildew, vegetable gray mold, fusarium wilt and various other epidemic diseases, can be independently taken as a biological control microbial inoculum for plant diseases, and can also be mixed with other biological antiseptics, plant antibiotics, plant growth regulators and the prior antiseptics to prepare various biological antiseptics for controlling different plant diseases.
Owner:刘和现

Mild shampoo and bath bubbles for infants

The invention discloses mild shampoo and bath bubbles for infants. According to the characteristics of hair and skin of infants, the shampoo and bath bubbles are prepared by selecting disodium cocoyl glutamate, cocamidopropyl betaine and sodium lauryl and glycoside hydroxypropylsulfonate as a surfactant system, selecting camellia-seed oil, alpha-glucan oligosaccharide / inulin compound as a regulating component and selecting flos chrysanthemi indici extract and ethyl lauroyl arginate HCl as a preservative system. The shampoo and bath bubbles are prepared from compatible raw materials, have good cleaning effect and mild and non-irritant performance, and can be used for reinforcing skin barrier to give intimate care to infants.
Owner:金日制药(中国)有限公司

Medlar and red date enzyme and preparation method thereof

The invention discloses a medlar and red date enzyme and a preparation method thereof, which belong to the technical field of enzyme preparation. Multi-strain composite fungi powder is adopted as a leavening agent; the medlar and the red date are adopted as main raw materials; dietary fiber, pectin hydrolyzate, seasoner extracting liquor, Chinese herbal medicine extracting liquor, enzyme stabilizer and other multifunctional auxiliary raw materials are scientifically compounded and modified; low-temperature processing technology such as ultrasonic cleaning, cryogenic grinding, microwave-assisted high-voltage pulse electric field processing and ultrasonic ripening are mainly adopted in the whole process, so that the natural colors, the flavor, the taste and the content of the active materials of the medlar and the red date are maintained furthest, the biological stability, the non-biological stability and the biological activity of the medlar and red date enzyme are obviously enhanced, the introduction of chemical addition agent is reduced, and the juicing rate of the medlar and the red date as well as the food safety of the enzyme are improved. Finally, the medlar and red date enzyme with high biological activity, strong stability, strong taste, flavor and appetite, long expiration date and edible safety is prepared.
Owner:NINGXIA JINSHANGQI BIOTECH

Over-branched polyamidoamine and metal nano compound as well as preparation method and uses thereof

The invention relates to a hyper branched polyamide amine and metal nanometer compound and the preparation method and the application, belonging to the technical field of nanotechnology which is characterized in that: the compound comprises a polymer and metal nanometer particles, the polymer is the hyper branched polyamide amine made of blocking modification the hyper branched polyamide amine of the vinyl-terminated through different small organic molecules with amine, the content of the polymer is 89wt percent to 98wt percent; the metal nanometer particles are golden or silver nanometer particles, the content of the metal nanometer particles is 2wt percent to 11wt percent. During the preparation course, no reducing agent or ultraviolet irradiation is required, the precursor metal compounds are directly added into the hyper branched polyamide amine solution, and the metal nanometer particles with perfect water dispersion is generated only through one-step reaction under ambient temperature, the average particle size of which is one to eight nm, and the size is controllable. The inhibition zone method and the optical density method tested show that: the hyper branched polyamide amine and the metal nanometer particle compound have perfect antibacterial effects to a plurality of bacteria and fungus.
Owner:SHANGHAI JIAO TONG UNIV

Quaternized modified amino silicone oil softener and preparation and application thereof

The invention relates to a quaternized modified amino silicone oil softener and preparation and application thereof. The softener comprises the following general formula in the specification. The preparation comprises the following steps of: (1) adding octamethylcy-clotetrasiloxane into a container, adding a coupling agent N-beta-(aminoethyl)-gamma-aminopropyl methyl dimethoxysilane into the container dropwise, adding a tetramethyl ammonium hydroxide catalyst and subsequently a capping agent hexamethyl disiloxane into the container, and then performing reduced pressure distillation to obtain amino silicon oil; (2) dissolving the amino silicon oil into a solvent, adding the mixture into epichlorohydrin, stirring and heating to react under the protection of nitrogen, and removing the solvent by steaming to obtain an intermediate product; and (3) uniformly mixing N,N-dimethyl-decanamide and the solvent to obtain a mixture, stirring with heating, adding the intermediate product dropwise into the mixture under the protection of nitrogen, performing a thermostatic reaction, and removing the solvent by steaming to obtain the product. The softener of the invention has high hydrophilicity and high stability; fabric processed by the softener has excellent soft handfeel, high hydrophilicity, low yellowing, antibacterial property and the like; and the softener is simple to prepare and is suitable for industrial production.
Owner:DONGHUA UNIV

Multiple-aperture carbon granule air purification agent and preparation method thereof

The invention relates to a multiple-aperture carbon granule air purification agent and a preparation method thereof, belonging to the technical field of air purification agents. The multiple-aperture carbon granule air purification agent is prepared from carbon powder, attapulgite, sepiolite, zeolite, cationic surfactant, pore-forming material and bamboo vinegar. The multiple-aperture carbon granule air purification agent has reasonable design. After the carbon powder (containing plant charcoal and active carbon), and nanometer mineral matters of attapulgite, sepiolite, zeolite, and the like are treated, the adsorptive capacity of the original plant charcoal is improved by more than 5 times, the adsorptive capacity of the active carbon is improved by more than twice, and the added cationic surfactant and bamboo vinegar increase the effects of sterilization and bacteriostasis. Compared with other adsorbents in the prior art, the air purification agent still has higher adsorption capacity even in higher temperature and lower adsorbate partial pressure, and remains the functions of releasing negative ions and far infrareds of the plant charcoal at the same time, and the prepared granule has rigid characters without dust and does not pollute contactants and a human body.
Owner:ZHEJIANG JIANZHONG BAMBOO IND

Electret polypropylene melt-blown nonwovens and method for preparation

The invention relates to an electret polypropylene melt-spray nonwoven cloth and its making method, the components in weight percent: polypropylene 95-97%, and tourmaline 3-5% with average particle size not greater than 0.5mum; its making method: (1) uniformly mixing and fusing the tourmaline particles and the polypropylene slices to make particles; the assistants of making the tourmaline particles in weight percent: coupling agent 3-10%; dispersant 2-5% and chemical inhibitor 0.01-0.1%; (2) uniformly mixing, fusing and extruding the particles with the polypropylene slices, stretching under the high-speed hot air flow to make the product. The product has better adaptability to high temperature and high humidity environment, can be used in filtering liquid; the making method has the characters of simple technique, no special devices, easy industrialized implementation, etc.
Owner:TIANJIN POLYTECHNIC UNIV

Cotton fibers with antibacterial and insect-resisting effects and production method of cotton fibers

The invention discloses cotton fibers with antibacterial and insect-resisting effects. The cotton fibers are characterized by being prepared from the following raw materials in parts by weight: 21-24 parts of cotton fibers, 10-12 parts of apocynum venetum fibers, 6-8 parts of silk fibers, 7-9 parts of cashmere fibers, 9-11 parts of pineapple fibers, 4-7 parts of polypropylene fibers, 6-8 parts of taxus chinensis superfine micro-powder, 3-5 parts of ailanthus altissima leaf extracted powder, 1-3 parts of zeolite powder, 1.1-2.3 parts of chitosan, 0.5-0.7 part of magnesium nitride, 0.8-1.4 parts of N,N-dicyanoethylaniline, 5-7 parts of sulfonated castor oil, 15-18 parts of fatty alcohol alkoxy ether, 1-2 parts of mashed garlic, 1.3-2.5 parts of cnidium monnieri cuss, 2.1-3.6 parts of coptis chinensis, 90-95 parts of 1-ethyl-3-methylimidazolium diethylphosphate, 95-100 parts of 1-butyl-3-methylimidazolium acetate, 3-6 parts of an addition agent and a proper amount of water. According to the cotton fibers, the taxus chinensis superfine micro-powder is added into raw materials by adopting an ultrasonic technology and a prepared cotton textile has a very good health effect and a useful pain-relieving effect on tumor patients and female symptoms; furthermore, the other active ingredients are added so that the good clothes properties of sweat absorption, breathability, softness, allergy prevention, easiness of washing, low probability of fuzzing and balling up and the like of natural cotton fibers are maintained, and the cotton fibers have good antibacterial and insect-resisting functions, a good electromagnetic radiation shielding function and the like.
Owner:ANHUI SWAN TECH IND GRP

Bacillus amyloliquefaciens and application thereof

InactiveCN102485880ABroad-spectrum plant pathogen resistanceSave raw materialsBiocideBacteriaLaboratory cultureBroad spectrum
The invention discloses Bacillus amyloliquefaciens and an application thereof. The Bacillus amyloliquefaciens is Bacillus amyloliquefaciens YB-3, and the preservation number of the Bacillus amyloliquefaciens YB-3 in China General Microbiological Culture Collection Center (CGMCC) is CGMCC No.4318. The Bacillus amyloliquefaciens YB-3 which can generate antibiotic substances which only exist in cells and are not diffused to a fermentation liquid and has the advantages of broad spectrum antibiotic range, and efficient and stable antibiotic effect can be developed into a microbe biocontrol preparation with various functions in the future.
Owner:中国农业科学院研究生院

Hydroxypropyl chitosan / oxidized sodium alginate self-crosslinking antibacterial hydrogel material

The invention discloses a self-crosslinking antibacterial hydrogel material containing hydroxypropyl chitosan / oxidized sodium alginate. The material is made from the following components by mass percent: 1-25% of hydroxypropyl chitosan, 1-30% of oxidized sodium alginate, 0.01-0.5% of nano-silver and distilled water. The material is prepared by the following steps: preparing the hydroxypropyl chitosan by a hydroxypropylation reaction of chitosan at the temperature of 10-90 DEG C; preparing the oxidized sodium alginate by an oxidation reaction of sodium alginate at the temperature of 10-45 DEG C; respectively preparing aqueous solution of the hydroxypropyl chitosan and aqueous solution of the oxidized sodium alginate; adding the nano-silver solution and blending at certain ratio; allowing self-crosslinking of the components at the temperature of 10-50 DEG C to produce the antibacterial hydrogel material. The antibacterial hydrogel material has the advantages of low cost, environmental protection, simple process and the like; as the hydroxypropyl chitosan has good biocompatibility, the oxidized sodium alginate is nontoxic to human body, and the nano-silver has excellent antibacterial property, the obtained material can be applied to wound dressing, hemostatic materials and the like.
Owner:日照武汉理工大生物医药暨新材料研究院

Beautifying and antibacterial toilet soap

The invention discloses beautifying and antibacterial toilet soap which comprises the following raw materials: 10-13% of coconut oil, 20-23% of palm oil, 21-38.3% of olive oil, 8.5-9% of sodium hydroxide, 20-23% of water, 1-3% of bighead atractylodes rhizome water decoction, 1-3% of radix angelicae ultrasonic alcohol extraction solution, 1-3% of radix asparagi water decoction, and 0.2-2% of tea tree essential oil. The toilet soap can clean skin, is antibacterial, can remove beverage and acne, can whiten the skin, and can keep the skin smooth, tender and white.
Owner:山东朵拉朵尚生物科技有限公司

Medical nano-fiber sponge material and preparation method and application thereof

ActiveCN102657893AExcellent healing propertiesImproves anti-adhesion and cell viabilityAbsorbent padsBandagesFreeze dryNanofiber
The invention relates to a medical nano-fiber sponge material, of which the porosity is 90-98 percent and the diameter of a nano-fiber is 50-1,000 nanometers. The medical nano-fiber sponge material consists of the following components in percentage by mass: 0.5-8.5 percent of bioactive glass fine particles, 65-88 percent of gelatin, 0.2-5.0 percent of hyaluronic acid, 0.2-5.0 percent of chitosan and the balance of water. A preparation method of the medical nano-fiber sponge material comprises the following steps of: adding bioactive glass fine particles and ethanol into a gelatin aqueous solution, and stirring uniformly; performing low-temperature phase separation and freeze drying to obtain nano-fiber sponge obtained by compounding gelatin and bioactive glass fine particles; and performing soaking, refrigerating and freeze drying with a hyaluronic acid solution and a chitosan solution in sequence under a negative pressure condition to obtain a porous composite sponge material in which nano-fibers are crosslinked and coated statically with hyaluronic acid and chitosan. The nano-fiber sponge has excellent bioactivity, bacteriostasis and mechanical property, and can be widely applied in the fields of regenerative repair of various skin wounds and skin tissue engineering.
Owner:ZHEJIANG UNIV

Antibacterial bacteriostatic polysulfone hollow fiber ultrafiltration membrane and preparation method thereof

The invention provides an antibacterial bacteriostatic polysulfone hollow fiber ultrafiltration membrane, which is a mixture consisting of polysulfone (PS) dissolved in solvent and nanometer antibacterial material. Based on parts by weight, the ultrafiltration membrane comprises 5 to 25 parts of polysulfone, 0.05 to 5 parts of nanometer antibacterial material, 2 to 10 parts of additives, 65 to 90 parts of solvent. The invention simultaneously discloses a preparation method, which comprises: (1) dissolving the polysulfone in the solvent in a spinning liquid tank, adding the nanometer antibacterial material and the additives, mixing well and obtaining membrane casting liquid; (2) standing and curing the obtained product; (3) extruding the cured material in the spinning liquid tank, filtering the cured material through a filter so as to remove impurities, metering the obtained product through a metering pump and filtering the obtained product through the filter so as to remove the impurities; (4) spurting membrane silk through a silk-spurting plate; (5) forming the membrane silk into a membrane in coagulating bath; and (6) soaking the formed membrane in pure water in washing bath, washing the solvent and the additives away, winding and outputting the polysulfone hollow fiber ultrafiltration membrane. The membrane has a good bacteriostatic effect.
Owner:SHANGHAI AQUA PURIFICATION EQUIP
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