128results about How to "Efficient bactericidal effect" patented technology

The invention relates to an antibacterial composition based on a natural plant raw material and an application of the antibacterial composition, especially prevention and treatment of skin and mucosal diseases and infection of people and animals. The medicine tolerance problem of an antibiotic is an increasingly serious problem in global attention. The invention aims at providing a safe and effective natural antibacterial composition to avoid the problem of the medicine tolerance of the antibiotic instead of the antibiotic. The natural antibacterial composition provided by the invention has a broad-spectrum efficient sterilization effect, and is effective for gram-positive bacterium, gram-negative bacterium and fungus; candida albicans, staphylococcus aureus and escherichia coli can be completely killed within one minute; and meanwhile, the antibacterial composition has good safety. In addition, the composition also has the efficacy of resisting viruses, inflammation and allergy. The composition can be used for preventing and treating skin and mucosal diseases and infection of people and animals. The problem of the medicine tolerance generated by functional antibiotics is avoided.

The invention discloses a nano silver antibacterial latex pillow or mattress and a preparation method thereof. Tiny air holes are fully distributed on the surface of the nano silver antibacterial latex pillow or mattress, and air is filled into the tiny air holes; and the silver antibacterial latex pillow or mattress has bacterial resistance on aspergillus niger, aspergillus flavus, discolored aspergillus, penicillium citrinum, paecilomyces varioti, herbarium cladosporium, trichoderma viride and chaetomium globasum. The preparation method comprises the following steps of: uniformly mixing nano sliver with natural latex; then respectively adding sulphur, bi(triethoxy propylsilane)tetrasulfide and 2,6-butylethylene-4-methylphenol; uniformly stirring; adding soap and air to generate foams; then adding gelatin; and compressing for moulding. The nano silver antibacterial latex pillow or mattress of the invention combines air permeability, high elasticity and soft touch feeling of the latex with efficient bacterial resistance and broad spectrum sterilizing performance of nano silver and can effectively overcome the defects of easy bacterial generation, difficult air permeation, and the like of a common pillow on the market.

The invention relates to the field of medical technology, especially to gynecological gel containing a silver-ion bactericide, a preparation method and application thereof. The gynecological gel containing a silver-ion bactericide comprises the following ingredients (by weight): 2.0-10.0% of glycerin, 3.0-10.0% of propylene glycol, 0.5-3.0% of carbomer, 0.4-0.6% of triethanolamine, 0.0-6.0% of blue copper polypeptide, 0.0-6.0% of alum, 0.05-0.2% of hyaluronic acid, 0.0-2.0% of water-soluble vitamin E, 0.0-6.0% of a motherwort extract, 0.0-2.0% of a witch hazel extract, 1.0-36.0% of a medicinal and edible plant extract, and the rest of a silver-ion bactericide and water, wherein use amount of the silver-ion bactericide is the use amount which makes concentration of silver ion in the gynecological gel to be 0.05-5.0 ppm; and the medicinal and edible plant extract contains a purslane extract which accounts for 1.0-6.0% of total mass of the gynecological gel. The gel of the invention is efficient, safe and mild, and can be used for greatly treating various gynecological diseases and nursing the vagina.

The present invention discloses a biological slime stripping agent for a water treatment. The biological slime stripping agent is characterized by comprising, by weight, 5-30% of alkyl polyhexamethylene guanidine hydrochloride, 1-10% of isothiazolinone, 1-10% of organic bromine, 5-40% of a solvent, and the balance of water, wherein the alkyl polyhexamethylene guanidine hydrochloride structure is represented by a formula (I), m is 20-90, n is 9-17, the weight average molecular weight Mw is 12000-20000, the molecular weight distribution D is 1.0-1.2, the isothiazolinone is a mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one, the organic bromine is one or a plurality of materials selected from 2,2-dibromo-3-nitrilopropionamide, 2-bromo-2-nitro-1,3-propylene glycol, and 2,2-dibromo-2-nitroethanol, and the solvent is an alcohol solvent.

The invention belongs to the technical field of sterilization, and particularly relates to a control method for a sterilizing device. The control method comprises the following steps: analyzing a local and / or indoor bacteria condition to determine a sterilizing grade while the sterilizing device receives an energy-saving sterilizing instruction as a result of an energy-saving sterilizing function;and controlling the sterilizing device to sterilize according to the determined sterilizing grade. The control method disclosed by the invention can intelligently regulate an operation mode and operation time of the sterilizing device, and effectively prolongs the service life of an LED while guaranteeing a sterilizing function.

The invention relates to the technical field of medicines, and particularly relates to an itching-relieving repair solution containing silver-ion bactericide. The itching-relieving repair solution is prepared from the following components in percentage by mass: 2-10 percent of glycerinum, 3-10 percent of propylene glycol, 0.4-36 percent of edible and medicinal herbal extract and the balance of silver-ion bactericide and water, wherein the dosage of the silver-ion bactericide ensures 1-5ppm of silver ions in the itching-relieving repair solution; the edible and medicinal herbal extract is one or more of honeysuckle extract, chrysanthemum indicum flower extract, portulaca oleracea extract, centella asiatica extract, peppermint extract and aloe extract, and an arbitrary medicinal and edible herbal extract is below 6 percent by mass of the itching-relieving repair solution. The itching-relieving repair solution is mild, safe, efficient, multi-effect acting and broad-spectral.

The invention discloses a biological slime inhibitor. The biological slime inhibitor is characterized by comprising the following components by weight percent: 5-30% of poly-hexylidene triamine guanidinium chloride, 1-10% of isothiazolinone, 1-10% of organic bromide, 5-40% of methanol solvent, and the balance of water, wherein the weight-average molecular weight of the poly-hexylidene triamine guanidinium chloride is Mw=10000-20000; the molecular weight distribution D is 1.0-1.1; the isothiazolinone is a mixture of 5-chloro-2-methyl-4-isothiazolin-3-ketone and 2-methyl-4-isothiazolin-3-ketone, of which the mass ratio is (2.5-4):1; the organic bromide is one or more of 2,2-dibromo-3-nitrogen propionamide, 2-brome-2-nitro-1,3-propanediol and 2,2-dibromo-2-nitroethanol. In addition, the invention also provides a preparation method of the biological slime inhibitor. The biological slime inhibitor disclosed by the invention has an extremely efficient sterilization effect and excellent alga-killing property, and has the characteristics of being long in bacteriostatic time, free of drug resistance, free of a bubble, safe to use and the like.

The invention relates to the technical field of medicine, in particular to a sterilization repairing cleaning agent, a preparation method and application. The cleaning agent is prepared from, by mass, 5-15% of a surface active agent, 3-8% of glycerinum, 0.1-0.3% of citric acid, 0.1-3% of a honeysuckle extract, 0.1-3% of a wild chrysanthemum flower extract, 0.1-3% of a purslane extract, 0.1-3% of a mint extract, 0-0.3% of chlorhexidine acetate and the balance a silver ion antibacterial agent and water, wherein the consumption of the silver ion antibacterial agent enables the concentration of silver ions in the cleaning agent to be 0.25-5 ppm. The surface active agent is alkyl glucoside, coconut oil oleamide propyl dimethylamine ethyl ester and coconut oil fatty oil diethanol amide. The cleaning agent is efficient in sterilization, mild, safe and capable of being placed stably for a long time and has the repairing function of vagina mucosa, skin and scalp.

The invention discloses a broad-spectrum contact type hemostatic medical fungicide and a preparation method thereof. The fungicide comprises the following components in percentage by weight: 5 to 15 percent of povidone iodine, 3 to 10 percent of chitosan, 3 to 10 percent of petroleum jelly for medical purposes, 1 to 5 percent of nonoxinol, and the balance of purified water. After the fungicide is contacted with a wound surface or an affected part, the fungicide can depolymerize and release the contained iodine to achieve the function of sterilization. The product is the broad-spectrum powerful disinfectant, has strong killing effect on viruses, bacteria, fungi and mycoticspore, not only has long constant acting time, but also has small irritation to human skin, greatly reduces pains unbearable for ordinary people, and simultaneously has the function of hemostasis. The fungicide is applicable to skin and mucousmembrane infection, can be directly used for disinfecting graze, and is safe and convenient to use.

The invention provides a photodynamic sterilization polymer as well as a preparation method and application thereof. The polymer is composed of a main chain and a side chain; the side chain is composed of a long alkyl chain with a quaternized tail end and can be combined with the surface of bacteria with negative charge to form a tight combined body, so that a bacterial membrane is transparent; the main chain is composed of benzene, fluorene and thiophene and has a relatively strong rigid structure; under a light illumination condition, the main chain is excited by light to sensitize air in the periphery to generate active oxygen, so that an efficient sterilization effect is realized. The polymer can be used as an antibacterial agent and can be used for killing gram positive bacteria and gram negative bacteria; the polymer also can be used for killing fungi and has a broad-spectrum antibacterial function. The polymer is simple to prepare and moderate to react and has relatively high yield. The polymer is used as an efficient photodynamic antibacterial material, concentration needed by sterilization is low and the light dosage is small; common white illumination can reach an efficient sterilization effect. The polymer provided by the invention emits fluorescent light in a long-wave region and also can be used for biological fluorescent imaging.

The invention provides a medical ultrasonic probe stelrizing gel and a preparation method thereof. The gel comprises the following components of 0.5-5 percent (w / v) of non-ionic cellulose material or 5-20 percent (w / v) of poloxamer, 0.1-0.5 percent (w / v) of chlorhexidine acetate, 0.1-0.5 percent (w / v) of double-chain quaternary ammonium salt sterilizing agent, 0.5-2 percent (v / v) of wetting agent and the balance of water. The sterilizing agent has the function of sterilizing and disinfecting a medical ultrasonic probe and the skin; and a soluble medical ultrasonic probe sterilizing gel with better acoustical property, safety and stability can be used as a coupling agent, can realize high-efficiency sterilization within short time and concurrent disinfection on the ultrasonic probe, and achieves the purpose of reducing cross infection risk caused possibly in the clinical ultrasonic detection process.

The invention discloses a broad-spectrum touch-out medical bactericide and a preparation method thereof. The broad-spectrum touch-out medical bactericide comprises the following component in weight by percent: 5 to 15 percent of povidone iodine, 3 to 10 percent of medical Vaseline, 1 to 5 percent of nonoxynol nonylphenoxy-polyethoxyethanol and pure water. After the broad-spectrum touch-out medical bactericide is contacted with the surface of wound or the afflicted part, the iodine can be depolymerized and released to play the sterilization effect. The broad-spectrum touch-out medical bactericide has the advantages that: the thrill on the tissue is small, the bactericide is applicable to the skin and the mucous membrane infection, the pain and the damage caused by the thrill are greatly reduced compared with other ordinary medicine bactericide, and the bactericide can be directly used for the disinfection and abrasion. The broad-spectrum touch-out medical bactericide is of a broad-spectrum strong sterilization disinfectant and has strong killing effect on virus, bacteria, fungus and mycoticspore. The broad-spectrum touch-out medical bactericide has small thrill on the skin, low toxicity, duration and safe, simple and convenient application.

The invention discloses a self-cleaning antibacterial glazed ceramic tile. The self-cleaning antibacterial glazed ceramic tile comprises a ceramic tile embryo layer, an engobe layer, a patterning layer and an abrasion-proof layer, wherein the ceramic tile embryo layer is coated with the engobe layer, the patterning layer and the abrasion-proof layer from inside to outside in sequence, a nano ZnO antibacterial agent is added in basic materials of the engobe layer, the patterning layer and the abrasion-proof layer respectively, and three antibacterial layers are formed on the surface of the ceramic tile embryo layer. A production technology of the self-cleaning antibacterial glazed ceramic tile comprises the following steps that A, water is sprayed on the surface of a dry ceramic tile embryo; B, ball milling and pulping are conducted on ceramic engobe basic materials and the nano ZnO antibacterial agent, and the surface of the ceramic tile embryo is coated with the pulp; C, ball milling and pulping are conducted on ceramic glaze basic materials and the nano ZnO antibacterial agent, and the pulp is printed on the surface of the engobe layer; D, ball milling and pulping are conducted on abrasion-proof glaze basic materials and the nano ZnO antibacterial agent, and the surface of the patterning layer is coated with the pulp; E, the glazed ceramic tile is sent to a roller kiln to conduct firing. According to the self-cleaning antibacterial glazed ceramic tile and the production technology, the process is simple, the cost is low, practicability is high, the application range is wide, and the self-cleaning antibacterial glazed ceramic tile has an enduring and efficient sterilization effect and is abrasion-proof.

The invention discloses integrated sewage purifying treatment equipment with a backwashing function. The integrated sewage purifying treatment equipment comprises a first purifying device, a second purifying device and a water pump, a water inlet pipe is fixedly arranged at the bottom of the left end of the first purifying device, and a reverse osmosis membrane filter screen and a plastic particle filter screen are installed and distributed in the first purifying device; a suction pump is arranged at the top of the first purifying device, a vertical pipe frame is connected to the bottom of the suction pump, adsorption plates are fixedly distributed at the two ends of the vertical pipe frame, a vibration device is arranged at the right end of the top of the first purifying device, and a water pumping pipe is connected to the upper end of the right side of the first purifying device through a connecting port; and the middle of the water pumping pipe is connected with a filter cylinder, and the bottom of the water pumping pipe is connected with the second purifying device through the water pump. The integrated sewage purifying treatment equipment relates to the technical field of sewage purifying, effectively removes dissolved salts, colloids, microorganisms, organic matters and the like in sewage so as to achieve the purpose of purifying water quality, directly adsorbs metal impurity particles in water, and is suitable for sewage purifying treatment.

The invention discloses antibacterial anticorrosive coating for a building external wall. The coating is prepared from the following raw materials in parts by weight: 55-65 parts of silicone acrylic emulsion, 9-12 parts of perfluorosiloxane resin, 3-4 parts of an antibacterial agent, 2-3 parts of hydroxyethyl cellulose, 0.5-0.7 part of chlorinated paraffin, 0.3-0.4 part of ammonium trimolybdate and 0.8-1 part of an auxiliary agent. The invention also discloses a preparation method of the antibacterial anticorrosive coating. According to the invention, the silicone acrylic emulsion and the perfluorosiloxane resin are used as film-forming substances of the coating, so that the coating has good waterproof performance; the self-made antibacterial agent is added into the coating, has multiple and efficient antibacterial properties, has good compatibility with a coating matrix and can be uniformly dispersed in the coating; nano particles can block pores of a coating to a certain extent, thecompactness and hydrophobicity of the coating layer are improved, and the corrosion resistance and antibacterial property of the coating are improved. The waterproof coating with antibacterial and anticorrosive properties is prepared and is suitable for coating of building exterior walls.

The invention discloses a microcapsule for food preservation and application thereof. The microcapsule comprises a core material and a wall material and is prepared by adopting an inclusion method. The core material comprises eugenol and hexanal with the volume ratio being 1-19:1. The microcapsule has a high-efficiency bactericidal effect for peronophythora litchii, penicillium italicum wehmer, fusarium oxysporum and colletotrichum gloeosporioides, has the characteristics of wide bacteriocidal spectrum, low use amount, good bacteriocidal effect, no easy generation of drug resistance and the like, and has the advantages of no toxicity, safety, no pollution to the environment and the like since both the eugenol and the hexanal are food additives, so that the microcapsule can be applied to anti-corrosive preservation of foods, especially picked fruits and vegetables, as a nuisanceless green preservative.

The invention relates to polymer antibacterial nano-particles and magnetic antibacterial nano-particles containing halamine functional groups. The preparation comprises the following steps: taking acrylic acid (AA) and styrene (St) as raw materials, performing polymerization reaction in water to generate acrylic acid and styrene mixed polymer nano-particles, performing inclusion reaction in the water on the magnetic nano-particles to generate an acrylic acid and styrene mixed polymer so as to get acrylic acid and styrene mixed polymer magnetic nano-particles, then reacting with amine to generate the polymer antibacterial nano-particles and magnetic antibacterial nano-particles containing the halamine precursor functional groups and finally performing halogenating reaction to generate the polymer antibacterial nano-particles and magnetic antibacterial nano-particles containing the halamine functional groups. The antibacterial nano-particles have the advantages of high speed, high efficiency and broad-spectrum antibacterial effects, the antibacterial halamine functional groups can be regenerated through the simple halogenating reaction after being exhausted, and the antibacterial nano-particles can be widely applied to sterilization treatment of various water bodies and air, control of harmful smelly gas, inhibition of tumor cells and the like.

The invention relates to a mildew removal agent for a wall and a preparation method of the mildew removal agent. The preparation method of the mildew removal agent for the wall comprises the following steps: firstly, water is added to a blending tank and stirred, sodium hydroxide, hexadecylsulfonic acid sodium salt and / or tetra sodium salt of amino trimethylene phosphonic acid, sodium bromide, EDTA-4Na, N,N-dimethyldodecylamine oxide and / or dimethyl tetradecyl amine oxide, alkyl dimethyl benzyl ammonium chloride and sodium silicate and / or sodium metasilicate are added to the blending tank, finally, sodium hypochlorite is added to the blending tank, the mixture is stirred uniformly, settles for 24 h and is filtered. A special detergent for clearing mildew and mildew stains can quickly kill mildew, remove mildew stains and prevent mildew from breeding again. The mildew removal agent in the formula has good decontamination and mildew killing capacity and can quickly clear mildew and other stains on the wall.

The invention relates to the field of electrochemistry, and concretely relates to a multifunctional electrochemical sensor for simultaneously realizing capture, sterilization and detection, and a making method thereof. The sensor is ZnO nanorods loaded with AgNPs and vancomycin, wherein a mass ratio of the AgNPs to the vancomycin is 1:1 to 1: 6. The preparation method has the advantages of simple process, easiness in control and low cost, and allows the multi-functional electrochemical sensor for simultaneously realizing capture, sterilization and detection to be produced. The synergistic effect of the vancomycin and nano-silver is used to highly-efficiently kill the harmful microorganisms in water and separate and detect pathogens in the water, so the sensor has very good application prospect in the field of water purification.

The invention relates to a povidone iodine five-compound disinfectant which comprises the following components in percentage by weight: 5-20 percent of povidone lodine, 0.1-10 percent of medical glycerin, 0.1-2 percent of citric acid, 0.1-1 percent of nonoxynol-10, 0.01-0.1 percent of sodium hydroxide and the balance of water for injection. The povidone iodine five-compound disinfectant can be used for producing povidone iodine compound wipes with different specifications, povidone iodine compound cotton swabs, povidone iodine compound spongy cushions, povidone iodine compound hand-washing brushes and the like; and after the products are specially treated or sterilized, the sterility and the safety of the products are fully ensured, and after being unpacked, the products can be directly used, so that the cross contamination and the infection in an intermediate link are avoided. The povidone iodine five-compound disinfectant has the advantages of small skin irritation, low toxicity, lasting action, and safety and convenience in use; the povidone lodine five-compound disinfectant basically has no irritation to tissues and is used for skin and mucosa disinfection, such as cleaning before operation, operative site and wound disinfection, and skin cleaning and disinfection before and after arterial blood drawing.

The multifunctional pesticidal and germicidal composition consists of chlorohydroxy diphenyl ether 0.01-2 wt%, ammonium dialkyl halide 0.01-12 wt%, biguanide and synergist 0.05-2 wt% and other components. It has high killing and inhibiting effect on roach, fry, mosquito, etc, no irritation and harm to human body and animal, and environment friendship as well as high disinfection. It may be used widely in killing pests and disinfecting hand, skin, medical equipment, environment, tableware, etc. In addition, it has also certain tinea treating effect.

The invention discloses a nanometer green tea non-washing gel liquid soap. The nanometer green tea non-washing gel liquid soap is prepared from, by weight, 0.5-1.5% of green tea nanometer particle essence, 0.1-0.3% of carbomer, 0.05-0.09% of triethanolamine, 0.05-0.15% of 1,2-propylene glycol, 0.05-0.15% of hydroxyethyl urea, 0.05-0.15% of sodium lactate, 0.05-0.15% of essence, 0.05-0.15% of food coloring and the balance distilled water. The liquid soap has the effects of wide and efficient sterilization, has the good killing effect on escherichia coli and staphylococcus aureus, is good in stability and free of stimulation to skin and further has the effects of moisturizing and skin protection.

The invention discloses a processing method for peacock feathers. According to the processing method, the feathers naturally falling off of peacocks are subjected to rough washing-air drying-ultrasonic washing and drying treatment, a flour aqueous solution can effectively remove small-particle impurities adhering to the surfaces of the feathers, then ultrasonic washing is carried out, the action rate of a sterilization disinfectant on the feathers is increased through the cavitation effect and the mechanical action of ultrasonic waves, so that the permeation effect is enhanced, the efficient sterilizing effect is achieved, in addition, the feathers are hardly influenced, the feather loss cannot be caused, anti-corrosion treatment is carried out by using plant preservative liquid, harmful substances cannot be residual, the treated feathers are harmless to a human body, drying and ultrasonic treatment are carried out, so that the color and luster of the peacock feathers are effectively kept, the peacock feathers are not liable to go mouldy and go bad after being stored for a long time, and the flatness and the glossiness of the feathers processed through the method are obviously improved.

The invention discloses a preparation method of a nano-divalent silver-supported silica gel antiseptic dressing. The preparation method comprises the following steps: (1) weighing 85-96 parts of deionized water, adding 1-5 parts of a hydrogen peroxide solution with the concentration of 30%, adding 0.01-0.05 part of nano-divalent silver, and conducting marking as a C solution; (2) regulating the C solution with a nitric acid water solution until the hydrogen ion exponent pH value of the C solution is 2-5, and conducting marking as a D solution; (3) adding 3-5 parts of organic silicon to the D solution, conducting hydrolysis for 2 hours, and conducting marking as an E solution; and (4) regulating the E solution with sodium hydroxide until the pH value is 6-7, then adding 1-2 parts of glycerol, and finally conducting standing and aging for 48 hours for gel formation. Through the above mode, the preparation method of the nano-divalent silver-supported silica gel antiseptic dressing integrates the excellent stability of silica gel and the high-efficiency sterilizing effect of nano-divalent silver, is high in the amount of supported silver and very stable, has long-term sterilization and antibacterial effects, can be mass produced and is nontoxic and harmless.

The invention belongs to the field of washing products and provides washing powder with a bactericidal effect. The washing powder comprises the following components: antibacterial zeolite, C14-C18 methyl ester sulfonate, sodium dodecyl benzene sulfonate, sodium silicate, anhydrous sodium sulphate, and an assistant, wherein the antibacterial zeolite is 4A zeolite loaded with nano TiO2. The antibacterial zeolite with the bacterial effect is added to the washing powder, so that the washing powder has a high-efficient sterilization effect, and has the characteristics of being strong in soil removability, non-toxic, and low in price.

The invention relates to a liquid pipeline dredging agent and a preparation method thereof. The preparation method of the liquid pipeline dredging agent comprises the following steps: firstly, adding water into a batching tank, and starting stirring; adding one or more of sodium hydroxide, sodium carbonate, sodium silicate and / or sodium metasilicate, lauryl dimethyl amine oxide and / or sodium polyacrylate, fatty alcohol polyoxyethylene ester sodium sulfate, AEC and alkyl glycoside, and EDTA-4Na into the batching tank, and stirring evenly; and finally, adding sodium hypochlorite into the batching tank, stirring evenly, settling for 24 h, and filtering. The problem of secondary blockage of a pipeline dredging agent is solved, and the liquid pipeline dredging agent is a liquid product, can quickly reach a blocking part and dissolve blocking objects, and is especially suitable for use in winter.

The invention discloses an amino acid nano-silver liquid as well as a preparation method and an application thereof in disease-free safe raising of pigs. The amino acid nano-silver liquid is prepared by mainly compounding silver sulfate, a cosolvent, an amino acid primary ligand, an amino hetero-ligand, a dispersing agent, a thickening agent, a complexing stabilizer, a pH conditioning agent and deionized water. The amino acid nano-silver liquid has the advantages of having a broad spectrum, high-efficiency and a bactericidal effect, being safe and reliable, being capable of being used for preparation of sterile pig feeds, preventing from serious diseases such as swine influenza and swine fever and disinfecting environments, and being beneficial to realization of the disease-free safe raising of the pigs.

The invention discloses high-valent silver-oxide-loaded cyclodextrin polymeric microspheres and a preparation method thereof. Cyclodextrin microspheres are used as base spheres and are filled with high-valent silver oxide composite nanoparticles; under the alkaline condition, an inorganic soluble silver salt serves as a silver source, cyclodextrin and polyvinyl alcohol serve as dispersing agents,and silver ions react for synthesizing high-valent silver oxide nano-particles through a strong oxidizing agent; then epoxy chloropropane is taken as a cross-linking agent and beta-cyclodextrin is taken as a monomer, the high-valent silver oxide nanoparticles are doped, and cyclodextrin polymeric microspheres coated with high-valent silver oxide are synthesized by taking kerosene as an oil phase.The cyclodextrin polymeric microspheres disclosed by the invention are large in specific surface area and good in adsorption effect. Meanwhile, the high-valent silver oxide nanoparticles are protectedby the cyclodextrin polymeric microspheres, so that an excellent slow release property is achieved, and the long-acting property is well reflected while the efficient sterilization effect is achieved. The preparation method of the high-valent silver-oxide-loaded cyclodextrin polymeric microspheres provided by the invention only needs two synchronous processes, the process is simple and is easy torepeat, and the method is suitable for mass production.