343results about How to "Effective antibacterial" patented technology

The invention discloses an antibacterial natural latex product based on a quaternary ammonium salt antibacterial agent and a preparation technology of the antibacterial natural latex product, and belongs to the technical field of latex materials. The antibacterial natural latex product is prepared from the following components by weight: 90 to 100 parts of natural latex, 1 to 9 parts of sulfur, 1 to 5 parts of a vulcanization accelerator, 1.5 to 2 parts of an anti-aging agent, 1 to 6 parts of zinc oxide, 0.5 to 2 parts of sodium fluosilicate, 1 to 3 parts of potassium castorate, 0.1 to 2 parts of potassium oleate, 0.5 to 1 part of potassium permanganate and 0.1 to 3 parts of the quaternary ammonium salt antibacterial agent. The antibacterial natural latex product is based on the antibacterial characteristic of a low-concentration quaternary ammonium salt compound. The adopted quaternary ammonium salt compound has the advantage of stable performance, and the compound is tightly combined with latex polymer molecules and cannot permeate the skin of people or an animal by changing the physicochemical property of material surface. The latex product prepared in the invention has the advantages of high antibacterial property, hygiene, high practicability and the like, and has a broad market prospect.

The invention discloses an efficient formaldehyde scavenging agent and a preparation method thereof. The efficient formaldehyde scavenging agent is prepared from the following ingredients in parts byweight: 8-15 parts of nanometer titanium dioxide, 10-18 parts of nanometer zinc dioxide, 5-35 parts of a natural plant extract and 8-25 parts of an active adsorbent. The efficient formaldehyde scavenging agent can be applied into construction materials, after solidification, the nanometer character of the efficient formaldehyde scavenging agent self is adsorbed on the surface of a plate to form astable coating, the bacteria can be effectively inhibited, the air can be purified, the indoor pollutants such as formaldehyde, TVOC (Total Volatile Organic Compound) and benzene can be cleared away,especially for the formaldehyde, the clearance rate can be up to 98% or more.

The invention discloses a Carassius aurutus gibelio compound feed and a preparation method thereof. The Carassius aurutus gibelio compound feed comprises the following components in percentage by weight: 3-5wt% of imported fish meal, 10-15wt% of domestic fish meal, 30-35wt% of bean pulp, 20-22wt% of rapeseed meal, 2-5wt% of cottonseed meal, 8-10wt% of rice bran, 3-5wt% of flour, 3-5wt% of oatmeal, 3-5wt% of soybean oil, 1-3wt% of monocalcium phosphate, 2wt% of premix, 1-2wt% of liquid phospholipid, 0.5wt% of enzymic preparation and 0.5wt% of Chinese herbal medicines. The compound feed provided by the invention has the advantages of balanced amino acid, proper energy-nitrogen ratio and calcium-phosphorus ratio, complete and abundant nutrition and reasonable proportion, and can be used for effectively improving the utilization ratio of feed, lowering bait coefficient, reducing nitrogen and phosphorus discharge, lightening water body pollution, and strengthening the immunity and the premonition of fish.

The invention relates to a graphene-PDMS flexible substrate electrocardiogram dry electrode based on a tip array structure and a preparation method thereof. a graphene-PDMS flexible substrate is designed on a top surface thereof, a paraxylene film is deposited on tip array structure, metal seed layer is sputtered on paraxylene film, a metal lalyer is sputtered on the metal seed layer. The bottom surface of the graphene-PDMS flexible conductive substrate is coated with a conductive silver paste layer. The process of the invention is simple, the cost is low, and the production of the mould is favorable for batch production. The materials such as conductive silver colloid, PDMS, graphene, paraxylene film and sputtered titanium and gold have good biological compatibility, and can effectively inhibit bacteria and reduce skin irritation. The tip array structure designed by the invention has a larger contact area, and can pass through the stratum corneum by directly contacting with the skin,so that contact impedance of the skin-electrode can be effectively reduced, thus obtaining a stable ECG signal.

The invention discloses a preparation method of fresh kiwi fruit slices. The preparation method comprises the following steps: taking fresh high-quality kiwi fruits of which the hardness is between 9.0 kg/cm<2> and 11.0 kg/cm<2> as standard raw materials, putting slices into distilled water after washing, peeling and cutting the kiwi fruits, pumping ozone until the concentration is 0.8 to 1.0 mg/L, and carrying out ultrasonic assisted sterilization for 5 to 8 minutes; then, adding the slices into a kiwi fruit mixed color protecting solution which is prepared from 0.2 percent of ZnCl2, 0.25 percent of EDTA (Ethylene Diamine Tetraacetic Acid)-2Na, 0.10 percent of ascorbic acid and 0.1 percent of citric acid for carrying out color protection, and infiltrating by using 0.5 to 2.0 percent of PEG (Polyethylene Glycol)-chitosan edible coating film after dewatering; finally, packaging by using a PP (Propene Polymer) pallet and a PE (Poly Ethylene) film, and storing at low temperature. The fresh kiwi fruit slices prepared through the preparation method have the characteristics that the appearance color is well kept, browning is not easy to cause, the bacteria inhibiting and fresh keeping effects are good, the storage period is long, and the quality is stable.

The invention provides a skin care leave-in liquid soap. Main active components of the skin care leave-in liquid soap include, by mass, 25-40 parts of deionized water, 0.01-1 part of chelating agent, 0.2-1 part of carbomer, 60-70 parts of alcohol, 0.2-5 parts of skin care component and 0.2-1 part of triethanolamine. The skin care leave-in liquid soap can be directly smeared on to hand skin, does not need to be washed off, is convenient to use and carry, and is environment-friendly; the skin care leave-in liquid soap evaporates fast after washing, and bacteriostasis can be achieved effectively; aloe extracting solution, water-soluble VE and other skin care constituents which are added specifically can moisten and whiten hand skin and prevent skin roughness.

The present invention discloses an antibacterial drug wrapping paper and a preparation method thereof, the antibacterial drug wrapping paper includes broadleaf wood sulfite pulp, bamboo pulp fiber, cotton pulp, tapioca, a wet strength agent, an antibacterial agent, a flavoring agent and titanium dioxide; the flavoring agent is a flavor extract; the antibacterial agent comprises chitosan, honeysuckle, radix isatidis, garlic extract liquid, folium isatidis and aloe, the prepared antibacterial drug wrapping paper has the characteristics of being non-toxic, harmless, environmentally friendly, effectively-antibacterial and fragrant, and can effectively avoid that a drug is contaminated and cannot be taken during storage, so that the drug can be more safe and secure to use.

The invention discloses application of a Chinese medicinal composition in preparing a medicament for treating bronchitis. The medicament mainly comprises fructus forsythiae, honeysuckle, isatidis root, rhubarb, patchouli, thick wood-fern rhizome, integripetal rhodiola herb and the like, exerts the integrated adjusting advantage of the composite Chinese medicament and realizes multi-target treatment through organic combination of pathogen dispelling, symptoms releasing and immunity adjustment; the Chinese medicinal composition can effectively resist bacteria and inflammation, relieve a cough, dissipate phlegm and adjust immunity; and clinical experiments prove that the Chinese medicinal composition has remarkable curative effect on acute and chronic bronchitis.

The invention relates to medical composite silica gel protective dressing and a preparation method thereof. The method comprises the concrete steps of 1) adding lysine and tea polyphenol to deionized water to dissolve according to a certain ratio, evenly agitating to prepare mixed solution of lysine and tea polyphenol; 2) adding silica sol to the mixed solution of lysine and tea polyphenol; 3) adding a certain amount of surfactant to the mixed solution of lysine and tea polyphenol to evenly mix, thereby obtaining the composite silica gel; and 4) centrifuging and dewatering the composite silica gel, and thoroughly cleaning a filter cake by the deionized water, and crushing to obtain the composite silica gel powder, adding the powder to distilled water of which the mass ratio to the powder is 1.5 to 1, and evenly heating and mixing at the temperature of 40-60 DEG C to obtain the composite silica gel protective dressing under an agitation state, and preparing the composite silica gel protective dressing into a patch according to a common technology. The prepared protective dressing can effectively prevent bacterium and sterilize the wound surface, so as to relieve itching of the wound surface when effectively preventing and treating various scars after operations, trauma and burn. Thus, use of a receptor is greatly facilitated.

The invention relates to a biodegradable and absorbable hemostasis composition. The hemostasis composition is prepared from hyaluronic acid and modified starch or hyaluronic acid, chitosan and modified starch. The hemostasis composition is capable of stopping bleeding rapidly and has the effect superior to that of the prior art.

The present invention discloses silver carrying active alumina antiseptic and its preparation process. The antiseptic with silver content of 1-9 wt%, preferably 3-6 wt%, is prepared through mixing active alumina, AgNO3 and deionized water, ball milling for 20 min, stoving at 60 deg.c, grinding and 150-250 mesh sieving, heat treatment at 1100 deg.c for 1 hr in the temperature raising rate of 35 deg/min and under oxidizing atmosphere, and cooling in the furnace. The antiseptic possessing high bacteriostasis rate is applied mainly in producing antiseptic daily sanitary ceramic product.

The invention provides a chitosan antibacterial skin-moistening washing-free hand sanitizer. The chitosan antibacterial skin-moistening washing-free hand sanitizer comprises ionized water, an emollient, a sterilizing bacteriostatic agent, a pH regulation agent and an addition agent, wherein the sterilizing bacteriostatic agent comprises chitosan, denatured ethanol and sodium citrate; and the emollient comprises glycerine and ethylene glycol. According to the chitosan antibacterial skin-moistening washing-free hand sanitizer disclosed by the invention, the sterilizing bacteriostatic agent prepared from the chitosan, the denatured ethanol and the sodium citrate has good effects of removing bacteria and restraining bacteria. The chitosan antibacterial skin-moistening washing-free hand sanitizer can save water, protect ecological environment and effectively restrain bacteria, does not have any irritating effects on skin, has good effects of removing dirt and moistening skin, and is safe and healthy to use. The invention also provides a preparation method of the chitosan antibacterial skin-moistening washing-free hand sanitizer.

The invention discloses a lipidosome-based method for modifying a PEEK (polyetheretherketone) surface with hexadecadrol/minocycline and an application of the method. Lipidosome loaded with hexadecadrol and minocycline is prepared with a thin film dispersion method and then modifies the PEEK surface. The method comprises following steps: (1), hexadecadrol and lipids are dissolved in a methanol and chloroform mixture (1:1, v/v); (2), methanol and chloroform are removed by a rotary vacuum evaporator, and then a lipid membrane is hydrated by a hydration solution; lipidosome loaded with hexadecadrol is obtained by water bath ultrasonic treatment, and is extruded by a porous polycarbonate membrane; dialysis is performed overnight; (3), lipidosome is mixed with a minocycline storage solution, the mixture is shaken, and lipidosome loaded with hexadecadrol/minocycline is obtained, and is stored for standby application at 4 DEG C after being dialyzed overnight; (4), PEEK implant is put in a dopamine solution for reaction, and ultrasonic cleaning is performed; (5), the PEEK implant is added to a hexadecadrol/minocycline lipidosome solution for soaking and is slightly cleaned, and a product is obtained. The obtained product can promote bone repair, regeneration and integration.

The invention belongs to the field of daily cosmetics, and discloses a composition containing a bacillus fermentation product and shampoo containing the composition. The composition comprises the bacillus fermentation product, dichlorobenzyl alcohol and salicylate, and through the synergistic effect of the bacillus fermentation product, dichlorobenzyl alcohol and salicylate, the composition can effectively inhibit bacteria and remove dandruff, is mild to scalp, and can relieve the scalp. According to the shampoo containing the composition, by reasonably matching a surfactant, a fat-imparting agent, a conditioner, a dandruff removing effect substance, an oil control effect substance and a relieving effect substance, the shampoo has good effects of removing dandruff, controlling oil and relieving the scalp, can reduce the burden of the scalp, maintain the ecological balance of the scalp, avoid the secretion of a large amount of grease, and is suitable for long-term use; and meanwhile, the shampoo has rich foam, excellent dry and wet combing properties and good overall use feeling.

The antibiotic silver-carrying modified artificial coral bone consists of modified artificial coral bone with controllable degradation speed as carrier and adsorbed silver ion particle. The modified artificial coral bone consists of calcium carbonate in 30-70 wt% and hydroxyapatite. The preparation process of the antibiotic silver-carrying modified artificial coral bone includes the following steps: 1. preparing modified artificial coral bone; 2. soaking the artificial coral bone in silver nitrate solution, heliophobic vacuum low temperature freeze drying, adding sodium chloride solution to form silver chloride precipitate on the surface of the artificial bone and heliophobic vacuum low temperature freeze drying; and 3. distilled water dialysis to prepare antibiotic silver-carrying modified artificial coral bone.

The invention discloses nano silver-containing trimolybdate and a preparation method and use thereof as an antibacterial agent. The molecular formula of the silver-containing trimolybdate is (NH4)2-xAgxMo3O10, wherein x is equal to 0.58, and the silver-containing trimolybdate is a nanowire. The silver-containing trimolybdate is prepared by reacting ammonium heptamolybdate tetrahydrate with a silver salt in water. The invention also discloses the use of the silver-containing trimolybdate nanowire as the antibacterial agent. The use of the silver-containing trimolybdate nanowire as the antibacterial agent, which is disclosed by the invention, does not require grinding. The silver content in silver-containing trimolybdate is high, so the required amount for achieving the same antibacterial effect is small; meanwhile, the molybdenum compound also has an antibacterial function, oxy-acid radicals containing a positive hexavalent molybdenum element in the solution also have certain oxidability, and thus, the molybdenum element can promote the antibacterial effect of the silver ions; therefore, the nano silver-containing trimolybdate has double antibacterial effects, and the antibacterial capacity of the nano silver-containing trimolybdate is 1,000 times that of a micrometer antibacterial agent. The preparation method disclosed by the invention is simple, has low equipment condition requirements, reduces reaction time and is suitable for large-scale production.

The invention provides a chitosan spraying film agent. The chitosan spraying film agent is prepared from the following components in percentage by weight: 0.05% to 0.5% of chitosan, 0.01% to 0.15% of lactic acid, 0.1% to 0.2% of a surfactant, 0.1% to 0.3% of a cosolvent and the balance of water. The invention further provides a method for preparing the spraying film agent and application of the spraying film agent. The prepared chitosan spraying film agent provided by the invention is little in irritation for skin wounds, and high in film-forming property, biological availability and antibacterial ability, and can effectively promote wound healing.

The invention discloses a phase-change temperature-regulating fiber blended yarn and a preparation method thereof. The preparation method comprises the following steps of firstly, mixing paraffin hydrocarbon, graphite powder and methyl-2, 4-diisocyanate, and stirring at a high speed to obtain a phase-change temperature-regulating microcapsule; adding the prepared phase-change temperature-regulating microcapsule into nano-silver hydrogel to obtain modified nano-silver hydrogel; adding chitosan into sodium alginate hydrogel to obtain modified sodium alginate hydrogel; mixing the modified nano-silver hydrogel and the modified sodium alginate hydrogel into a spinning solution, and performing electrostatic spinning to obtain composite fibers; and spirally twisting the composite fibers, wool fibers and combed cotton to obtain the phase-change temperature-regulating fiber blended yarn. According to the phase-change temperature-adjusting fiber blended yarn and the preparation method thereof, the prepared phase-change temperature-adjusting fiber blended yarn has good temperature-adjusting and antibacterial properties, is more washable, keeps good water absorption and air permeability of fabric, and has high practicability.