156results about How to "Antibacterial effect" patented technology

A dentifrice composition having a low water phase comprising effective amounts of polyphosphate and ionic active ingredients.

The invention relates to a method for preparing a silver-loaded modified bacterial cellulose-based composite functional wet dressing, which comprises the following steps: (1) placing the freeze-dried bacterial cellulose in a nitroxyl/enzyme system solution, adding an oxidizing agent reaction; (2) adding diamine substances to the solution, heating and reacting; (3) then soaking in silver nitrate solution to obtain bacterial cellulose containing selectively loaded silver ions; Obtain bacterial cellulose selectively loaded with nano-silver particles; (4) finally add the compound solution, take it out after standing at room temperature, and after partial drying, packaging, and sterilization, the silver-loaded modified bacterial cellulose-based compound type can be obtained Functional wet dressing. In the method of the invention, the antibacterial nano-silver can be loaded on the C6 hydroxyl group of the bacterial cellulose, and the functional medicine can be compounded. The prepared dressing can treat various skin injuries, wounds, burns and scalds, etc., and has good antibacterial and repairing effects.

An antibacterial substrate of the present invention includes a substrate and a plurality of antibacterial metal islands formed on the surface of the substrate. The antibacterial metal islands are exposed to an external atmosphere. The average value of contact angles between the substrate and the respective antibacterial metal islands is 90 degrees or less, as measured on the basis of results of surface observation with a scanning electron microscope.

The invention discloses a polyester composite elastic fiber with antibacterial, moisture absorption and sweat releasing function. The polyester composite elastic fiber has dual-component parallel composite structure and has cross-shaped cross section. Two components of the parallel composite fiber are respectively selected from one of PET, PBT, PTT and CO-PET and are different one another; antibacterial silver ions are added in at least one component. The fiber has natural curly spiral structure due to different shrinking percentage of the two components and has permanent elasticity; the elastic fiber has moisture absorption, sweat releasing and anti-bacterial function due to the fact that the cross-shaped cross section structure is adopted and the antibacterial agent is added. The fiber is widely applicable to the high-grade underwear, sportswear and swimwear and has the characteristics of being elastic, comfortable, breathable, fresh, bacteriostatic and healthy.

The invention discloses a treatment method for antibacterial and anti-ultraviolet cotton fabrics. The treatment method comprises the following steps: step 1, soaking the cotton fabrics with a nonionic surfactant; step 2, modifying the cotton fabrics with chitosan quaternary ammonium salt; step 3, dipping the cotton fabrics with antibacterial finishing liquid prepared by mixing 5-15 parts of a natural antibacterial agent composed of extracts of grape seeds, persimmon leaves, ginkgo leaves and licorice roots, 0.3-1 part of polyoxyethylene-40 hydrogenated castor oil and 1000 parts of water; step 4, soaking the cotton fabrics in a mixed aqueous solution containing 0.001-0.005mol/L of silver nitrate or silver sulfate or silver acetate and 1-3 g/L of soluble starch or hydroxyethyl cellulose to prepare the nano-silver attached antibacterial cotton fabrics. The prepared cotton fabrics not only have good antibacterial performance and anti-ultraviolet performance, but also have performance of resisting oxidation and scavenging free radicals, and have improved anti-wrinkle performance and good washing durability.

The present disclosure provides low water dentifrice compositions comprising an effective amount of a zinc ion source, a tin ion source, a polyphosphate and an acid. The acid lowers the pH of the composition to enable stabilization of the metal ions and extend shelf-life of the composition.

Disclosed is an antibacterial treatment method which has no limitation in the scope of a material to be treated and which enables to reduce the time or cost required for the antibacterial testament. Specifically disclosed is an antibacterial treatment method using an antibacterial agent comprising a powder produced by mixing a microorganism selected from Bacillus sphaericus, Bacillus subtilis and Bacillus thuringiensis with a cattle feces which is previously treated at a high temperature of 60 to 150° C., wherein the material to be treated and the antibacterial agent are arranged under a non-contacting condition to inhibit the growth of a target bacterium in the material.

The invention discloses a preparation method of a Ni-Cu-P/nano TiO2 chemical composite coating on the surface of a magnesium alloy. In the method, chemical plating is carried out on the substrate magnesium alloy; the selected plating solution comprises the following components: nickel sulfate, sodium hypophosphite, citric acid, ammonium bifluoride, thiourea, lauryl sodium sulfate, copper sulfate and nano TiO2. The Ni-Cu-P/nano TiO2 chemical composite coating with obvious bacteriostasis is prepared through reasonably setting a chemical plating technology and conditions; the antibacterial rate of the composite coating is up to above 90%; the composite coating has excellent photocatalytic property, corresponds with the catalysis of the TiO2 powders, finds a carrier for the TiO2 powders, can improve repeated use rate of antibacterial property, and is a perfect combination of an antibacterial technology and the chemical plating technology.

Antimicrobial fibers that include antimicrobial nanoparticles dispersed substantially uniformly in a polymer matrix. Textiles and other materials can be formed from such fibers. The fibers may be formed via a masterbatch process or in a process wherein the antimicrobial nanoparticles, polymeric component, and additive(s) are melt processed together directly. Devices can be at least partially formed from polymer materials that include antimicrobial nanoparticles dispersed substantially uniformly in a polymer matrix.

The invention discloses a Morchella cultivation material, which comprises the following components by weight: 25-35 parts of corn stalk, 25-35 parts of poplar sawdust, 20-30 parts of rape straws, 10-20 parts of peanut shell, 15-25 parts of sunflower seed meal, 8-15 parts of coconut shell, 3-6 parts of chestnut shell, 7-12 parts of Momordica grosvenori dregs, 5-8 parts of vinasse, 3-6 parts of Chinese Honeylocust Fruit shell, 4-7 parts of Gentiana apiata, 3-6 parts of dandelion and 2-5 parts of honeysuckle and the like. The method for cultivation comprises the following steps: (1) preparation of the Morchella cultivation material, (2) seed mixing, (3) seed sowing, (4) mycelial growth management and (5) fruitbody growth management. The waste raw materials are used, and scientifically and reasonably matched, nutrients are fully complementary, the Morchella cultivation material is environmentally-friendly and economic, herbal ingredients are added, the beneficial functions of Morchella are improved, the Morchella cultivation material has antibacterial and antiviral effect; the method for cultivation is simple and practical, low-cost and high-yield, and quality is good.

The present disclosure provides low water dentifrice compositions comprising an effective amount of a zinc ion source, a stannous ion source, a polyphosphate and an acid in a calcium pyrophosphate base. The acid lowers the pH of the composition to enable stabilization of the metal ions and extend shelf-life of the composition.

The invention discloses a flame-retardant ABS composite material. The flame-retardant ABS composite material is prepared from, by weight, 60-80 parts of ABS resin, 8-15 parts of modified lignin, 5-15 parts of organic silicon flame retardant, 5-12 parts of corn straw power, 5-12 parts of chestnut shell powder, 2-5 parts of ginkgo leaves, 5-10 parts of ABS-g-MAH and 0.5-1 part of antioxidant. A preparation method of the flame-retardant ABS composite material includes the following steps that the ginkgo leaves are cleaned thoroughly, air-dried and smashed into powder of 10-20 mesh; 2, the smashed ginkgo leaves are mixed with the corn straw power and the chestnut shell powder, and the mixture is put for 1-2 days; 3, mixing is performed; 4, melt extrusion, cooling and granulation are performed to obtain the flame-retardant ABS composite material. Waste resources are recycled, and the prepared product is good in flame-retardant effect and good in mechanical performance.

The invention discloses a functional composition containing plant bacterium-inhibiting polypeptide as well as a preparation method and application thereof. The composition is prepared from the following components: a bacillus fermentation product, leuconostoc/radish root fermentation product filtrate, octyl hydroxamic acid and 1,2-hexanediol. Antibacterial peptide and polyol are matched accordingto different antibacterial spectrums to be used as bacterium-inhibiting components, and replace or partially replace a traditional chemically-synthesized preservative; a preservative-free system of anaddition-free preservative-free concept can be completely supported; the functional composition has moderate properties, no irritation and no toxic and side effects, and lower allergy; the functionalcomposition helps to keep ecological health and balance of skin, so that the safety of a biological preparation is improved. The bacterium-inhibiting components have good compatibility with most materials, the bacterium-inhibiting capability is not influenced by other materials and the stability of a preparation is not influenced; meanwhile, the functional composition has better experience in theaspects of moistening feeling, comfort degree and skin brightness.

The present invention discloses an olive drink and a preparation method thereof. The olive drink adopts fresh olive, honeydew, tangerine peel and fruit juice as raw materials, and is prepared by the steps of low salt deastringency, core removing, honey dipping and seasoning. According to the present invention, the olive drink has characteristics of natural raw material, simple preparation method, strong operability, suitability for large scale production; and the formula is free of additive. The prepared olive drink has a sour and sweet taste and the aftertaste is sweet and well. The olive has effects of body fluid production promoting, thirst quenching, cough relieving, phlegm dissipating, throat moistening, appetite promoting, qi regulating and spleen strengthening after being taken; and the added snow pear juice or sugarcane juice has effects of alcohol relieving and refreshing. Therefore, the olive drink is an excellent drink with a variety of health functions.

The present invention belongs to the micro biological field, which relates to the new application of a trihydroxyflavone of the small molecular compounds. The present invention provides the application of the trihydroxyflavone as a medicine for inhabiting the bacteria. The present invention firstly proves that the trihydroxyflavone has the active property of inhabiting the bacterial quorum-sensing. The present invention can be applied in the treatment of the microorganism infection of the human or animal in vitro or in vivo. The present invention can be also applied in prevention and treatment of the sterilization in the cultured water or the bacteria of the plants.

The invention discloses a chitosan wound dressing and preparation and application thereof. The chitosan wound dressing is prepared from the raw materials of N-glycosylated chitosan, aloe extract, polyvinyl alcohol aqueous solution with mass concentration of 10%, polyethylene glycol, glycerol, olive oil, povindone-iodine, hydrogen peroxide with mass concentration of 30%, lactic acid, menthol, ethanol aqueous solution with volume concentration of 95%, and 5 mg/mL normal saline. The applying type fluid wound dressing is applicable to protection and the like of skin abrasions and cuts, skin chaps, minor burns and scalds and sutured surgical wounds.

The invention provides a citrus essential oil microcapsule as well as a preparation method and application thereof, and belongs to the technical field of anticorrosion, wherein the preparation method comprises the steps: mixing chitosan quaternary ammonium salt with sodium alginate, acetic acid and water to obtain a composite wall material solution; and mixing with citrus essential oil and a compound emulsifier to obtain an emulsion, performing complex coacervation reaction, mixing with calcium chloride, and performing cross-linking curing to obtain the citrus essential oil microcapsule. The citrus essential oil is a natural bactericide and has an efficient, broad-spectrum and safe antibacterial effect; the prepared microcapsule is small in particle size, high in embedding rate and drug loading capacity and excellent in antibacterial performance, the core material can be slowly released in the using process to achieve the antibacterial effect, and the antibacterial effect time is prolonged. The result of the embodiment shows that the average particle size of the prepared citrus essential oil microcapsule is 340 nm, the embedding rate is 89.3%, the drug loading capacity is 44.65%, and the citrus essential oil microcapsule has excellent antibacterial performance on various bacteria and is good in antibacterial performance in a long time.

The invention discloses a processing method of dried crocodile meat. The method comprises the following steps of raw material selection, raw material cleaning, deodorization treatment, primary pickling treatment, secondary pickling treatment, sterilization treatment, vacuum packaging and the like. The processing method of the dried crocodile meat has the advantages that the crocodile meat is subjected to cleaning, deodorization, pickling, baking and packaging to be made into the dried crocodile meat; the processing work procedure is simple; the defects in the prior art are overcome; the original nutrition and mouthfeel of the crocodile meat are maintained to the maximum degree; the unique flavor is realized; after the crocodile meat is soaked by milk, the fragrance of the milk is realized;seasoning materials use a mixture of table salt, pepper powder, hawthorn powder and radix puerariae powder, so that the prepared dried crocodile meat has the effects of nourishing the stomach, stimulating the appetite and enhancing the appetite; a certain health care effect is also achieved; the method is worthy of being popularized; high pressure and low temperature sterilization and UV irradiation sterilization are used; the sterilization effect is good; the packaging environment is aseptic environment; the aseptic state of the dried crocodile meat can be ensured; the instant eating effectafter the bag opening can be achieved.

The invention discloses a gel bead with antibacterial and formaldehyde removal functions and belongs to the field of indoor waste gas treatment. The gel bead comprises a spherical gel bead core, functional hydrogel coating the gel bead core and a crosslinking agent, wherein the functional hydrogel is prepared from components in parts by weight as follows: 10-16 parts of a photocatalyst, 5-10 partsof nano-silver, 20-30 parts of gel, 5-10 parts of natural pigment, 10-15 parts of plant essential oil and 3-5 parts of an emulsifier. The gel bead core is made of at least one of materials includinggraphene, bentonite, volcanic ash and chitosan. The gel bead has the advantages of slow release function, long acting time and good waste gas removal effect.

The invention provides a microcapsule containing a plant characteristic aroma and a preparation method of the microcapsule. The microcapsule is prepared from, by weight, 3-7 parts of fever-trees, 15-25 parts of orange peel, 1-5 parts of thyme, 1-4 parts of vanilla, 3-6 parts of cortex cinnamomi and 10-20 parts of lavandula angustifolia. The microcapsule has the advantages that various materials have mutual synergistic effects, synergize with one other and mutually enhance the antibacterial properties, thereby enhancing the antibacterial property of the microcapsules; by adding plant extracts such as the orange peel and the lavandula angustifolia, the aroma of the microcapsule is enriched, and the effective time of air freshening is greatly prolonged.

The invention discloses a special biological pesticide fertilizer for fruit trees and a preparation method of the special biological pesticide fertilizer. The special biological pesticide fertilizer is prepared from the following raw materials in parts by weight: 50-60 parts of dried-up pond soil particles, 40-50 parts of agricultural straw powder, 10-20 parts of bamboo sawdust, 10-30 parts of longan shell, 12-18 parts of ripen leaf pine needles, 4-9 parts of angled bittersweet, 1-5 parts of artemisia apiacea dregs and 2-6 parts of sophora flavescens dregs. With the dried-up pond soil particles and the agricultural straw powder as main components of the fertilizer, and with insecticidal active components of traditional Chinese medicines and the efficacies of bamboo scraps and bamboo vinegar, the special biological pesticide fertilizer is significant in fertilizer efficiency, good in crop growth, and free of pollution to environment, and is capable of expelling parasite, killing parasite and resisting diseases.

A process for the preparation of an antimicrobial coating solution is described. The process comprises the steps of: (i) mixing a chelating agent with titanium alkoxide and fluoroacetic acid; and (ii) adding an aqueous solution to the mixture from step (i). The antimicrobial coating described is visible light activated. The coating is applied to surfaces and then heat treated to form a transparent layer on the surface. This is particularly advantageous where the surface is glass.

The invention discloses a composition for treating contagious ecthyma in a sheep. The composition is characterized by comprising 5-20 parts by weight of indigo naturalis, 2-8 parts by weight of phellodendron, 2-8 parts by weight of rheum officinale, 1-8 parts by weight of Chinese gall, 1-4 parts by weight of borneol and 10-25 parts by weight of colleseed oil. The composition has the characteristics of heat clearing and detoxifying, antisepsis and anti-inflammation, sweating arresting and hemostasis, aperture dredging and pain relieving, and curative effect consolidation, has substantial effects of treating contagious ecthyma in a sheep, has a high cure rate, is safe and convenient in use and has no toxic or side effect. The paste agent prepared from the composition solves the problem that the existing medicament contains a single ingredient, also can treat papule which is forming and has not yet ruptured, can keep a drug amount and drug effects for a long time and is very important for improving curative effects and reducing a death rate.

A soap bar comprising: (a) 25 to 85% by weight, based on the total weight of the bar, of fatty acid soap; (b) 0.1 to 100 ppm by weight, based on the total weight of the bar, of at least one silver (I) compound having a selected silver ion solubility, wherein at 25° C., a 1 wt % solution of the bar in water has a pH of from 9 to 11.