59results about How to "Effective antibacterial effect" patented technology

The invention provides an additive for balancing the gastrointestinal health of animals, which is prepared by absorbing 3 to 15 percent of tributyrin, 21.5 to 52.5 percent of lactic acid and 3.5 to 7.5 percent of formic acid with special carrier white black carbon by grade and layer respectively and then combining the mixture with 1 to 10 percent of glutamine. The additive has the effects of controlling diarrhea and accelerating restoration of injured intestinal tract, and starting from a philosophy of balancing the relationship between the gastropore and the intestinal tract, saving resources, reducing environment loads and improving quality of livestock products, a comprehensive gastrointestinal health management scheme is provided.

A surgical use, healing, and personal hygiene devices, in which, among other components, includes: a first layer of bamboo fibers or organic cotton, adapted to stay in contact with the skin of a user; a layer of non-woven fabric having in a central place an element made of polypropylene and thermostable elastomers fibers, in which is absorbed a nanometric tourmaline powder; and a layer opposite to the first layer including materials that allow “ventilation” to the device and, at the same time, form a moisture barrier. Also describes the use of nano tourmaline powder in these applications.

The invention discloses an antibacterial non-woven material and a preparation method thereof, and belongs to the technical field of non-woven material preparation. The antibacterial non-woven materialcomprises 80-120 parts of polypropylene, 0.5-2 parts of an initiator A, 0.1-2 parts of an antioxidant, 1-3 parts of an antibacterial agent, 3-10 parts of electret master batch, 0.1-2 parts of a nucleating agent and 10-20 parts of LMPP, wherein the antibacterial agent is a silver ion antibacterial agent or a zinc ion antibacterial agent; the preparation method comprises the following steps: mixing, melt extrusion, mixing homogenization and melt-blowing molding, wherein the antioxidant is added into the tenth heating section of an extruder with 13 heating sections. The antibacterial non-woven material product can be used for preparing medical consumables such as masks and operation caps, can also be used for manufacturing female hygienic products, has a long-acting and lasting antibacterialeffect, and is higher in safety when being in direct contact with skin or wounds. Besides, the antioxidant is added into the tenth heating section so that the controllability of the melt index can beimproved, the consumption of the initiator A can be reduced, and the oxidation resistance of the product can be improved.

The invention relates to the technical field of bacteria resisting gels, and particularly relates to a bacteria resistance and inhibiting private care gel for resisting gynecological diseases. The gelcomprises, by weight, 86.0-90.0% of water, 0.3-0.5% of carbomer-940, 3.0-5.0% of glycerol, 3.0-5.0% of butanediol, 0.1-0.2% of allantoin, 0.1-0.2% of methyl hydroxybenzoate, 0.5-1.5% of colloidal silver, 0.05-0.15% of chlorhexidine gluconate, 0.05-0.15% of chlorhexidine acetate, 0.02-0.15% of borneol, 0.2-3% of radix sophorae flavescentis extracts, 0.2-3% of fructus cnidii extracts, 0.05-3.0% ofchitosan, 0.3-0.5% of triethanolamine, 0.02-0.2% of fullerene, 1.5-2.5% of polyquaternium, 0.1-0.2% of 1,2-hexanediol, 0.09-0.2% of phenoxetol, 0.03-0.1% of ethylhexyl glycerin, 0.1-0.3% of PEG-40 hydrogenated castor oil and 0.01-0.05% of mentholum. According to the gel, by adding various kinds of effective ingredients of the radix sophorae flavescentis extracts, the fructus cnidii extracts, the colloidal silver, the chlorhexidine gluconate, the chlorhexidine acetate, the fullerene and the like,the care gel has strong bacteria resistance on staphylococcus aureus, bacillus coli and candida albicans, there exists no irritation on vaginal mucosa, and there exists no irritation reaction on skin.

The invention discloses an antibacterial functional gradient porous HA-Ag bone filling scaffold with an active interlayer and belongs to the technical field of biomedical material preparation. The functional gradient porous HA-Ag bone filling scaffold material with the active interlayer is prepared by weighing and ball-milling hydroxyapatite HA and Ag powder according to an ingredient proportion, weighing and mixing mixed powder and an ammonium bicarbonate pore former according to a porosity proportion, preparing three kinds of powder, then laying the powder in a gradient manner, mechanically pressing into a block pressed blank, putting the pressed blank into a discharge plasma sintering furnace, performing sintering after vacuuming a system to 2-6Pa, heating at a rate of 50-100min/DEG C, keeping at 800-1000 DEG C for 5-10min, and cooling to room temperature in the furnace. The material can induce adhesion and proliferation of bone cells on the surface of the material actively, has good osteogenesis activity and antibacterial property, high porosity and mechanical stability at the same time, and can serve as a good artificial bone filling material.

The invention provides a special organic fertilizer for peppers and a preparation method for the special organic fertilizer, and relates to the technical field of fertilizers. The special organic fertilizer for the peppers is prepared from the following raw materials in parts by weight: 10-20 parts of biogas residues, 7-14 parts of bits of wood, 6-12 parts of grass pond lime sludge, 5-10 parts ofoyster shell powders, 5-10 parts of fermented tea leaf residues, 4-9 parts of disinfection liquid, 2-6 parts of a bactericide and a proper amount of water. The fertilizer provided by the invention solves the problems, which an existing fertilizer cannot solve, that soil compaction causes soil water retention ability and fertility-keeping ability as well as permeability to drop, residual chemical fertilizer in the plant pollutes the environment and the like; when yield increase is promoted, growth quality of the peppers can be further guaranteed; and no harm on soil is caused, so that the greenagriculture purpose is achieved.

The invention relates to the technical field of fertilizer processing and in particular relates to a manufacturing method of an efficient biological organic fertilizer. The manufacturing method comprises the following three steps of: (1) biogas residue manufacturing; (2) secondary settlement; and (3) sterilizing and packaging. In the manufacturing process, pig manure is soaked by adopting treatment water, so that foul smell of the pig manure is effectively reduced, and meanwhile, in the treatment process, self-made activated sludge can be adopted to treat the pig manure, so that peculiar smell of the pig manure can be effectively removed, and the BOD content in the pig manure sewage can be effectively reduced. By using a plant flocculant from independent research and development to treat the wastewater, secondary pollution is not caused while the flocculation effect in the wastewater is enhanced. By adopting a synergic additive from independent research and development, the content of microelements in the organic fertilizer is effectively increased.

The invention relates to the field of PHA fermentation, in particular to a method for preparing PHA by fermenting high-salt molasses serving as a raw material. The method comprises the following steps: under a condition that PHA can be produced through fermentation, inoculating a PHA fermentation strain into a fermentation culture medium for fermentation, wherein the fermentation culture medium contains high-salt molasses, and on the basis of the dry weight of the high-salt molasses, the salt content is 8-11 wt% and the sugar content is 40-70 wt%. The method can effectively reduce the production cost of the PHA, and the fermentation efficiency is also improved.

The invention relates to an artificial joint prosthesis with an anti-infection function, the artificial joint prosthesis is prepared by the following method: (1) surface treatment of the artificial joint prosthesis: polishing the surface of the artificial joint prosthesis to be smooth, then performing ultrasonic cleaning with acetone, ethanol and deionized water, and drying for later use; (2) implanting or depositing silver ions on the surface of the artificial joint prosthesis: depositing the silver ions on the surface of the artificial joint in a magnetron sputtering manner; (3) deposition of a polydopamine coating: firstly preparing a Tris-HCl buffer solution, adding a dopamine hydrochloride solution into the Tris-HCl buffer solution to complete preparation of a dopamine solution, putting the artificial joint prosthesis containing the silver film layer into the dopamine solution, carrying out a reaction in a dark place, and depositing the polydopamine coating on the surface of the artificial joint containing silver ions; and a photothermal effect is generated through irradiation of a 808nm near-infrared light source, so that silver ions generated through in-vivo release and local high temperature generated by near-infrared light have an excellent synergistic sterilization effect, infection can be reduced, and the anti-infection capability of the artificial joint can be enhanced.

The invention discloses a preparation method of a medicinal controlled-release coating having pH response on the surface of a titanium implant. The preparation method comprises the following steps: first, preparing a TiO2 nanotube array on the surface of the titanium implant by adopting an anodic oxidation method, wherein the TiO2 nanotube array serves as a nanometer loading device of medicines, then, grafting poly-L-glutamic acid to orifices of the TiO2 nanotubes, and preparing a medicine controlled-release system with an 'opening/closing' function by utilizing the property that the secondarystructure of PLGA has reversible change along with the change of the pH value, wherein the pH response range of PLGA on the TiO2 nanotubes is 5.5-7.0, the thickness has reversible change along with the change of the pH value, and the change of thickness of the polymer causes great change of the passing ability of liquid in nanopores. With the novel intelligent nanotube medicinal controlled-release system having pH response, the defect that the existing anti-microbial slow-release system on the surface of the titanium implant can not make corresponding response to the local tissue micro-environment of the implant is well overcome, the effective anti-microbial effect is really realized, and a novel method is provided for treating relevant infection of the implant.

The invention relates to a preparation method of growth-promoting synbiotic bacterium liquid and application. The preparation method comprises the steps of adding complex of synanthrin and astragalus polysaccharide into an MRS (Methicillin Resistant Staphylococcus) culture medium at a proper ratio, filtering and separating by adopting a microporous filtering membrane and collecting a filtrate; inoculating activated lactobacillus casei on the filtrate of the culture medium containing the complex of the synanthrin and the astragalus polysaccharide, and placing in an anaerobic incubator with temperature of 37 DEG C for standing culture, thus obtaining the synbiotic bacterium liquid containing the synanthrin, the astragalus polysaccharide and the activated lactobacillus casei; the synbiotic is added into complete feed and the effect of feeding and mixing simultaneously can be achieved; the synanthrin and the astragalus polysaccharide can provide nutrition for the lactobacillus casei in intestinal tracts and generate the acid environment to enhance multiplication of beneficial bacteria, and by complementary relation of the synanthrin, the astragalus polysaccharide and the lactobacillus casei, the inhibiting action on pathogenic microorganisms is strong; defense mechanisms of organisms can be resisted, the intestinal tracts of the organisms can be adjusted to maintain the healthy state; the immunocompetence is high, so that the quantity of pathogenic bacteria is reduced and the existence of pathogenic harmful bacteria and exogenous germs can be inhibited.

The invention belongs to the field of biological materials, and particularly provides magnetic iron oxide and elemental selenium nano composite particles and a preparation method and application thereof. The preparation method comprises the following steps: adding chitosan-stable magnetic iron oxide nano particles into a mixed solution of sodium selenite and glutathione to obtain a solid compositeparticle crude product under the effect of an alkaline catalyst, carrying out centrifugal separation and magnetic separation, and then freeze-drying to obtain the magnetic iron oxide and elemental selenium nano composite particles. The preparation method is simple and easy to operate, the composite particles simultaneously contains elemental selenium nano particles and magnetic iron oxide nano particles, the two materials have antibacterial property and biocompatibility, and under the action of an external magnetic field, magnetic iron oxide, together with element selenium in the composite particles, can permeate into a bacterial biofilm together, so that the treatment effect on the biofilm is obviously enhanced, and the composite particles can be widely applied to various medical fields.

The invention relates to a nano-silver ion plastic antibacterial master batch and a preparation method thereof. The nano-silver ion plastic antibacterial master batch comprises the following components by mass: 20-40 parts of a nano pre-dispersed silver paste and 60-80 parts of a plastic carrier; the nano pre-dispersed silver paste comprises: a pre-solvent, a dispersing agent, a branching agent, astabilizer and a nano-silver ion powder component; the mass ratio of the pre-solvent, the dispersing agent, the branching agent and the stabilizer is 20-60:2-5:2-5:1-5; and the nano-silver ion component accounts for 20-50% of the mass of the pre-dispersed silver paste. The invention further relates to a preparation method of the nano-silver ion plastic antibacterial master batch. The preparationmethod comprises a one-pot nano-silver paste preparation step and a melting granulation step. The prepared nano-silver ion antibacterial master batch is used for plastic products, and has the advantages of high antibacterial efficiency, uniform distribution, stability, high efficiency, convenient use and the like.

The invention discloses a flushing fluid for an external eye operation and a preparation method of the flushing fluid, and belongs to the technical field of surgical flushing fluids. The flushing fluid contains the following components: NaCl, KCl, CaCl2H2O, MgCl2.6H2O, C2H3NaO2.3H2O, C6H5Na3O7.2H2O, cocamidopropyl betaine, digitalin, Esculin, an amnion extracting solution, trehalose and hyaluronicacid. Through combined application of all the components, grease in an operation area, tissue debris generated in an operation and the like can be cleaned more easily, the cleanliness of the operation area is improved, the number of flora of conjunctival sacs is reduced, tissue repair can be promoted, postoperative inflammatory response is relieved, and discomforts such as eye edema, hyperemia and dryness are relieved. Meanwhile, the solutions are less irritating, have no toxic or side effect, are low-cost, and are suitable for wide clinical application.

The invention relates to the field of fiber and fabric manufacturing, in particular to a self-heating antistatic fabric. The self-heating antistatic fabric is prepared from the following components inpercentage by weight: 15-25% of Baolanuo fibers, 15-25% of EKS fibers, 15-25% of cationic polyester yarns, 5-10% of silver-loaded particle antibacterial polylactic acid fibers and the balance of viscose fiber. According to the self-heating antistatic fabric, the defects that in the prior art, a clothes fabric is poor in warm-keeping effect, and a large amount of static electricity is generated inthe wearing process are overcome, the self-heating high-heat-preservation effect can be achieved by combining the EKS fibers and the Baolanuo fibers, and therefore the warm-keeping effect of the fabric can be guaranteed to the maximum degree through a thin layer of fabric; and meanwhile, the fibers are loaded with silver particles, so that certain conductivity is achieved, the static electricitygenerated in the friction process of the fabric cannot be greatly accumulated and can be conducted through the silver particles, the wearing experience of clothes is effectively improved, and an effective antibacterial effect can be achieved on the premise that the silver particle loading capacity is extremely low.

The invention relates to a bamboo vinegar dandruff-removing scalp essence and a preparation method thereof. The bamboo vinegar dandruff-removing scalp essence comprises the following components in percentages by weight: 4-6% of humectants, 2-6% of bamboo vinegar, 0.5-1.5% of emollients, 0.3-0.7% of conditioner, 0.4-0.8% of thickener, 0.3-0.6% of antioxidant, 0.2-0.5% of skin conditioner, 0.2-0.5%of solubilizer, 0.1% of chelating agent and 0.1-0.2% of additive. The scalp essence is prepared by adopting the bamboo vinegar as an anti-dandruff agent, the main component of the bamboo vinegar is acetic acid, without side effect when in use; and the acetic acid can soften the cuticle of the scalp surface layer and clean the scalp, and has an effective antibacterial effect. Meanwhile, the bamboovinegar acts on the scalp, and further has an effect of promoting hair growth; as a scalp essence, washing is not needed, and components in the essence can be reserved on the scalp to nourish hair andmake hair smoother and more fluffy.

The invention relates to a bamboo vinegar anti-dandruff shampoo composition and a preparation method thereof. The bamboo vinegar anti-dandruff shampoo composition comprises the following components inpercentage by weight: 12-17% of surfactant, 2-6% of bamboo vinegar, 2-5% of thickener, 1-2.5% of conditioner, 0.1% of chelating agent, 0.4-0.6% of additive and the balance of water. With natural component bamboo vinegar as a main anti-dandruff component, the formula of the present invention is safe and mild. Meanwhile, the bamboo vinegar has the effect of promoting hair growth. The addition of bamboo vinegar achieves the effects of controlling oily scalp, making hair smooth and fluffy and removing dandruff securely, as well as sterilization and disinfection effects. Acetic acid is a main component in the bamboo vinegar and has no side effect in use. Acetic acid can soften the surface layer or periostracum of the scalp and clean the scalp, and has an effective antibacterial effect and a good effect on scalp care.

The invention discloses a preparation method of an antibacterial dressing, which solves the problem of the existing antibacterial drug dressing. The method comprises the specific steps: step 1, dissolving an antibacterial drug and a water-soluble polymer in an organic solvent to obtain a liquid antibacterial drug composition, applying the liquid antibacterial drug composition on the surface of a dressing body, and drying the material; step 2, coating the surface of the antibacterial drug coating of the dressing body with the liquid water-soluble polymer and drying the material to obtain the dressing body containing a water-soluble polymer coating layer and an antibacterial drug coating layer; and step 3, repeating steps 1 and 2 at least once to ensure that the antibacterial drug coating layer and the water-soluble polymer coating layer are superimposed separately and that the water-soluble polymer coating layer is always on the outermost side to obtain the finished product. The finished product of the invention can continuously, uniformly and stably release antibacterial drug to achieve an effective antibacterial effect. Therefore, the wound can be effectively controlled and infected, and the preparation method has simple steps, short time and low cost.

The invention provides an antibacterial plastic. A technical form of a traditional antibacterial plastic is broken through, sodium borate is uniformly added into basis resin to prepare the antibacterial plastic, and the antibacterial plastic can effectively exert the antibacterial effect of the sodium borate, and has significant antibacterial effects on escherichia coli, pseudomonas aeruginosa, bacillus anthraci, F's dysentery bacillus, shigella shigae, typhoid bacillus, bacillus paratyphosus, proteusbacillus vulgaris, staphylococcus, candida albicans, corynebacterium diphtheria, brucella bovis, diplococcus pneumoniae, neisseria meningitidis, hemolytic streptococcus and the like. Compared with the prior art, the antibacterial plastic has an obvious antibacterial effect on most strains, and the sanitary environment and fitness of people are more comprehensively and effectively ensured. The invention further provides a technology for producing a plastic product by using the antibacterial plastic. The technology is simple in step, and the antibacterial plastic product can be efficiently produced.

The invention relates to a natural antibacterial non-woven fabric and a preparation method thereof. The preparation method comprises the following steps: preparing a spunbond non-woven fabric from PP slices through a spunbond production process; and coating a chitosan dispersion liquid on the spun-bonded non-woven fabric, and drying to obtain the natural antibacterial non-woven fabric. Wherein the chitosan dispersion liquid is prepared from the following components in percentage by mass: 0.3 to 1 percent of water-soluble modified chitosan, 0.3 to 1 percent of adhesive and the balance of water. The natural biomass polysaccharide high polymer material chitosan is used as an organic antibacterial raw material, the adhesion of the water-soluble modified chitosan to the spun-bonded non-woven fabric is enhanced through the adhesive, the effective bacteriostasis effect on gram-positive bacteria and gram-negative bacteria can be achieved, the prepared natural antibacterial non-woven fabric has the excellent antibacterial performance, and the antibacterial property of the non-woven fabric is improved. The composition is non-toxic, pollution-free and excellent in safety. The natural antibacterial non-woven fabric prepared by the invention can be a hydrophilic non-woven fabric or a water-repellent non-woven fabric with an antibacterial function, the preparation process is simple, the operation is convenient, and the manpower and equipment cost is saved.