189 results about "Antibiotic effect" patented technology

The invention relates to zeolite-based composite antibiotic material and a process for preparation, the material of which is low-silicon-aluminum-ratio zeolite molecular sieve which is used as the base and carrier, the outer surface of the invention is covered with nanometer titanium dioxide particles, and the pore passages or cages of the invention are provided with metallic ions which have antibiotic effect. The process for preparing the material is that low-silicon-aluminum-ratio zeolite molecular sieve absorbs organic amine to saturation and then is dipped into soluble titanates for roasting to generate nanometer titanium dioxide on the outer surface of zeolite, and metallic ions such as silver ions, copper ions and the like which have antibiotic effect are exchanged to zeolite by the ion exchange process to form the novel composite antibiotic material. The composite antibiotic material not only has the antibiotic effect of metallic ions but also has the antibiotic effect of nanometer titanium dioxide, and thereby the antibiotic effect is strengthened. The composite antibiotic material is easy to prepare, low in price and suitable for industrial production.

The present invention discloses one kind of ultraviolet ray cured nanometer antibiotic woodenware lacquer and its preparation process. The ultraviolet ray cured nanometer antibiotic woodenware lacquer includes epoxy acrylate, polyurethane acrylate, diluent, nanometer inorganic antiseptic, nanometer inorganic stuffing and photoinitiator. The preparation process includes adding nanometer inorganic antiseptic and nanometer inorganic stuffing into the diluent, stirring to disperse homogeneously, adding epoxy acrylate, polyurethane acrylate and photoinitiator and mixing homogeneously. The woodenware lacquer with nanometer inorganic antiseptic can inhibit the growth and propagation of bacteria and microbes to produce long term antibiotic effect.

A biodegradable tape with antibiotic properties is disclosed. The tape may be used in a method of the invention to wrap a surgical implant such as a surgical screw thereby providing a tighter fit and antibiotic effects on the surrounding environment. The tape is produced in a range of widths, lengths and thicknesses to meet particular needs. The tape may be produced in two or more layers which layers can entrap and provide for controlled release of an antibiotic.

A stably-dispersed composite of metal nanoparticles and inorganic clay and a method for producing the composite, in which interlayered charges of the clay are replaced with the metal ions, which are then reduced to metal particles by a reducing agent. The metal particles will not aggregate together and can be stably uniformly dispersed with particle sizes smaller than conventional metal nanoparticles, and therefore have better antibiotic effect, catalytic ability and other advantages. Antibacterials in a solvent containing 0.01 wt % or more of the metal nanoparticles and inorganic clay are prepared and confirmed to be effective.

The invention discloses antibiotic fiber and a preparation method of fiber product. According to the invention, an aqueous nano-grade silver antibiotic agent is prepared into organic nano-grade silver sol by using a chemical phase transferring method, such that the antibiotic agent has a good compatibility with a high polymer substrate; the sol is directly mixed with high polymer, and the mixture is dried, such that an antibiotic high polymer is prepared. The obtained antibiotic high polymer has characteristics of good versatility, good dispensability, simple technology, good processability, good temperature tolerance, and no environmental pollution. With methods of spinning or melt blowing, the antibiotic high polymer can be directly used for preparing antibiotic fibers and antibiotic fiber products. The obtained antibiotic fibers and antibiotic fiber products have excellent performances of rapid and long-lasting antibiotic effect. The physical properties of the antibiotic fibers and the antibiotic fiber products are not changed with additional antibiotic agents.

The invention discloses a chitosan-galangal essence microcapsule which comprises a core material and a wall material, wherein galangal essence is taken as the core material, and the wall material is formed through complex coacervation of chitosan, polylysine and sodium caseinate; and the core material is covered inside the wall material. The invention further discloses a preparation method of the chitosan-galangal essence microcapsule and application of the microcapsule in a mosquito repellent and a textile antibiotic finishing agent. The chitosan-galangal essence microcapsule disclosed by the invention can be used for improving the light and heat stability of the galangal essence, and has the advantages of high intensity, good heat stability, long and lasting mosquito repelling and antibiotic effects, and the like.

The emergence of multidrug-resistant pathogens necessitates the search for new antibiotics acting on previously unexplored targets. Nicotinate mononucleotide adenylyltransferase of the NadD family, an essential enzyme of NAD biosynthesis in most bacteria, was selected as a target for structure-based inhibitor development. To this end, the inventors have identified small molecule compounds that inhibit bacterial target enzymes by interacting with a novel inhibitory binding site on the enzyme while having no effect on functionally equivalent human enzymes.

The invention relates to a composite antibiotic finishing agent for textiles. The composite antibiotic finishing agent for textiles comprises the following raw materials, by weight, 1-5% of polyhexamethylene guanidine, 5-10% of betaine, 1-5% of nano-zinc oxide, 1-5% of chitosan, 0.5-2% of a surfactant, 5-10% of an organic solvent and 0.1-0.5% of essence. With the application of various antibiotic agents for a synergetic antibiotic effect, the composite antibiotic finishing agent for textiles has high heat resistance and strong antibiotic property, is safe and reliable, is green and environmentally friendly, and can be used in antibiotic finish of various textiles.

The invention relates to the technical field of textile application, in particular to an antibiotic fiber, a preparation method thereof and an application thereof in home textile, aiming at solving the problem that the prior fiber product is poor in antibiotic effect and can not ensure antibiotic effect. The invention provides an antibiotic fiber which comprises antibiotic agent and fiber, the antibiotic agent at least comprises nano particles which comprises nano titanium dioxide antibiotic agent and Ag ion, the antibiotic agent is added on the fiber by a cross-linking agent to form antibiotic fiber, the antibiotic fiber of the invention has the characteristics of good effect and long lasting time of antibiotic capability.

A method for preparing post finishing nanoreagent of fabric product with persistant aromatic and antibiotic effect includes using high adhesion material as wall material and mixture of aromatics and germicide as core material of microcapsule, forming 25% core material solution by mixing aromatics and germicide with volume ratio as 4:1-2:1 and then diluting it by pure water, forming A solution by mixing oily emulsifier with high adhesion material and toluene solution in volume ratio as 5:12:20, forming B solution by mixing liquid phase curing agent with core solution in volume ratio as 1.5:6 and forming said nanoreagent by mixing A solution with B solution in volume ratio as 1:1.

The invention relates to a hernia patch solid-supported with antibiotics and a preparation method. The antibiotic hernia patch solid-supported with drug-loaded microspheres comprises drug-loaded microspheres, a patch, and a supporting agent. The sandwich-type antibiotic hernia patch comprises a patch layer, a drug layer, and a film layer. The antibiotic hernia patch solid-supported with drug-loaded microspheres is prepared by solid-supporting the drug-loaded microspheres onto the surface of the patch material by the supporting agent. The drug-loaded microspheres are loaded with water-soluble drugs by a solvent evaporation method. The sandwich-type antibiotic hernia patch is prepared by sandwiching the drug layer between the patch layer and the film layer through a layer-by-layer superposition principle. The antibiotic hernia patch of the invention has a simple and practical preparation method, is suitable for different clinical medication requirements, has obvious slow release performance, has significant antibiotic effect in rats, solves the problem of acute and delayed infection after herniorrhaphy, has good market prospects, and is worthy of popularization and utilization.

The present invention discloses the new use of available antimalarial arteannuin and its derivatives dihydro arteannuin, antiannuic methyl ether, antiannuic ethyl ether and antiannuic amber. Arteannuin and its derivatives are used through combination with antibiotic medicine to inhibit bacterial growth and enhance the antibiotic effect of available antibiotic medicine. Especially, antiannuic amber is applied in preventing and treating bacterial infection diseases except being used as antimalarial.

The invention relates to a manufacturing method for antibiotic bamboo carbon fiber yarn, wherein the nanometer zinc oxide or silver with antibiotic effects is directly glued on the bamboo fiber, the bamboo fiber directly undergoes the high temperature carbonization procedure, getting the antibiotic bamboo carbon fiber of which antibiotic particles are glued on the surface; because the antibiotic bamboo carbon fiber is made of the bamboo carbon, the antibiotic bamboo carbon fiber and the bamboo carbon have the same characteristics, thereby overcoming the defect that the bamboo carbon fiber is short of the antibiotic capability; due to the mixed spinning between a plurality of antibiotic bamboo carbon fibers and other fibers, the bamboo carbon fiber yarn with high bamboo carbon content(more than 10 percent by weight) can be made, thereby the invention is used to make a plurality of yarns; moreover, the bamboo carbon fiber yarn not only has the antibiotic capability of which the traditional bamboo carbon fiber is short, but also greatly improves the bamboo carbon related functional performances of the traditional bamboo carbon fiber, such as deodorization, far infrared ray and negative ion, etc., due to the increased bamboo carbon content.

The present invention is nanometer modified photocatalytic bamboo charcoal and its preparation process. The preparation process includes the steps of: high pressure spraying nanometer hybridized and red shifted anatase type titania in fineness of 4-7 nm and in the mass fraction of 1-5 to 500 to the surface of bamboo, high temperature sealed heating at 100-800 deg.c for 20-25 days to carbonize, and crushing. It has bamboo charcoal grain size of 3-10 mm, fixed carbon content of 78-85 wt% and titania content of 0.2-1 wt%. Compared with common bamboo charcoal purificant, the present invention has powerful adsorption on vapor, harmful matter, impurity, etc, capacity of irreversibly decomposing adsorbed harmful matter and antibiotic effect. It has also longer photocatalytic response wavelength and higher air purifying effect.

Said invention relates to a nano antibiotic intelligent heat storage fiber and preparation and use thereof, which is composed of polypropylene, polyester, polyamide, polycarylonitrile and viscose fiber wherein the nano antibiotic intelligent heat storage function powder of 0.5-4 % of total fiber weight is uniformly distributed in fiber and surface layer. Said invention can absorb visible light source and convert into heat energy, also can absorb human body heat and store in fiber fabric then warm human body. Said invention has bacteriostasis and antibiotic effect to colibacillus, candida albicans, staphylococcus, gonorrhea, hepatitis etc.

The invention discloses a textile auxiliary containing antibiotic constituents. The textile auxiliary comprises, by weight parts, 50-60 parts of sodium diethylhexyl sulfosuccinate, 45-55 parts of polyvinyl pyrrolidone, 40-50 parts of sodium dodecyl sulfonate, 30-40 parts of hydroxyethyl sulfonate, 30-40 parts of 2-hydroxyethyl salicylate, 25-35 parts of lupenyl palmitate, 25-35 parts of styrene maleic anhydride resin, 15-25 parts of trichloro-sym-diphenylurea, 15-25 parts of ethyl vanillin, 5-10 parts of zinc oxide, 5-10 parts of cross-linking agent and 5-10 parts of softening agent. The textile auxiliary containing the antibiotic constituents improves antibiotic effects of textile, and further has antifouling function. A corresponding preparation method is further disclosed.

The invention provides a good-effect antibiotic mosquito-repellent fabric. The good-effect antibiotic mosquito-repellent fabric comprises a base cloth layer, a fabric layer and an antibiotic mosquito-repellent layer arranged between the base cloth layer and the fabric layer. The antibiotic mosquito-repellent layer is formed by weaving warp yarns and weft yarns. The warp yarns are antibiotic fibers processed through antibiotic finish liquid. The weft yarns are antibiotic fibers processed through mosquito-repellent finish liquid. The good-effect antibiotic mosquito-repellent fabric is simple in structure, low in cost and long in antibiotic time, the raw material source method and the antibiotic effect are quite excellent, and the broad-spectrum antibiotic effect is achieved.

The invention discloses a Raman spectroscopy-heavy water isotope labeling based rapid detection method for the drug susceptibility of drug-resistant bacteria and a judgment method for rational drug use. Directed at the disadvantage of long time in traditional drug susceptibility detection, the invention utilizes the principle that drug-resistant bacteria and sensitive bacteria have different activities under the action of antibiotics and accordingly C-D Raman peaks have different intensities, and realizes rapid detection of drug susceptibility within 0.5-1h. A to-be-detected object is incubated in a culture solution containing heavy water, wherein the group containing antibiotics is adopted as the treatment group, and the group without antibiotics is adopted as the control group, the incubated to-be-detected object is subjected to centrifugal cleaning, then Raman detection is carried out, the C-D/(C-D+C-H) values of the treatment group and the control group are calculated respectively,and the ratio of the treatment group and the control group is taken as the judgment standard, if the value is smaller than or equal to 0.75, the detected object can be susceptible to antibiotics, andif the value is greater than 0.75, the detected object can be resistant to the antibiotics. The method is simple, is easy for operation and analysis, and is suitable for different antibiotics and different bacteria, thus having clinical application prospects.

The invention discloses an anti-wrinkle antibiotic finishing agent as well as a preparation method and application thereof. The anti-wrinkle antibiotic finishing agent comprises 0.8-2.6wt% of azelaic acid, 1.6-3.2wt% of sodium hydrogen phosphate, 2.5-4wt% of carboxymethyl chitosan, 3.3-5.6wt% of hydroxypropyl-beta-cyclodextrin, 3-6wt% of a perilla frutescens ethyl acetate extract, 3.5-7wt% of a rhizoma kaempferiae ethanol extract, 6-12wt% of polyglycerol monooleate and the balance of water. The preparation method comprises the following steps: (1) preparing the perilla frutescens ethyl acetate extract; (2) preparing the rhizoma kaempferiae ethanol extract; and (3) mixing and stirring the components according to the percentage by weight, and shearing, thereby obtaining the anti-wrinkle antibiotic finishing agent. The anti-wrinkle antibiotic finishing agent has the advantages of good anti-wrinkle effect, good antibiotic effect and wide application range.

A preparation method of inorganic nano antibiotic cotton fiber comprises padding antibiotic finishing agent and drying; the antibiotic finishing agent comprises Ag ion antibiotic agent, the carrier of the Ag ion antibiotic agent is nano TiO2, and the pH value of the Ag ion antibiotic agent is 4-5. The invention has the beneficial effects that the invention adopts nano TiO2 as the carrier of the Ag ion antibiotic agent, so as to in a wet state (e.g. sweating) release Ag ions with antibiotic effect. As the Ag ion antibiotic agent taking nano TiO2 as the carrier has larger surface activity, 1g of nano-level antibiotic finishing agent has about a surface area of 600000cm<2>, and a little amount of the agent can achieve better effect.

The invention relates to a macromolecular microballoon sphere silver-carrying antibiotic finishing agent and a preparation method thereof. The macromolecular microballoon sphere silver-carrying antibiotic finishing agent is prepared by the reaction of silver ammonia solution, reducer and macromolecular microballoon sphere dispersion liquid the surface of which is provided with carboxyl, and is particularly realized by adsorbing silver ions at the surface of the macromolecular microballoon sphere prepared by the copolymerization of hydrophobicity monomer and hydrophilicity monomer containing carboxyl and by the reduction reaction to enable the silver particles to be deposited on the macromolecular microballoon sphere. The antibiotic substance silver of the antibiotic finishing agent is evenly deposited on the surface of the macromolecular microballoon sphere in a granular mode, and the problem that the antibiotic effect is reduced because of the transfer of the silver is avoided, thereby the antibiotic effect of the antibiotic agent is improved. In addition, the antibiotic agent has good film forming property to enable the antibiotic property to be more durable.

The aim of the present invention is to provide a health silk stockings produced using nanometer silver antibiotic material. The solution of the present invention is that to obtain nanometer stage silver particle (1 nanometer is equal to billionth meter) combining electrical arc method and mechnical rubbing method, then to implement antioxidation and anticoagulation treatment to the particles, at last to prepare nanometer silver antibiotic solution. To dip in the silk stockings in the nanometer silver antibiotic solution which temperature is 80 to 95 DEG C for 24 to 48 hours, then to take out and airing as well as iron out, so that the health silk stockings of the present invention is made. The silk stockings of the present invention has strong antibiotic effect, moreover, it is ventilating and flexible which ensure feet to be dry, the antibiotic effect is durable, also it has the deodorization effect, as well as release anion and far infrared energy, so it is a health silk stockings with complete function.

The invention provides a refrigerator that can release anions and mini ozone, which comprises an ion device comprising an anion device that can generate anions and an ozone device that can generate ozone. On the ion device, a port for releasing anions and a port for releasing ozone are provided correspondingly. The concentration of the released ion is 1 is multiplied by 104 swung dash 5 is multiplied by 105/cm3 is multiplied by s, the concentration of ozone is 0.05 swung dash 0.08ppm. The ion device operates in an intermittent way. The operation time of the ion device is controlled by a timer or the main control board of the refrigerator. The refrigerator in the invention is antibiotic, realizes the antibiotic effect, and is good for storing and keeping fresh food.