2330 results about "Bactericidal effect" patented technology

A composition for treating a biofilm comprises a first anchor enzyme component to degrade biofilm structures and a second anchor enzyme component having the capability to act directly upon the bacteria for a bactericidal effect.

A use in a medical device of at least one salt of organic acid(s), and preferably a benzoate or a sorbate, as an antimicrobial agent is disclosed, and in particular for the manufacturing of an antimicrobial coating for a medical device for the prevention of bacterial infection. This is very useful in medical devices having a hydrophilic coating, such hydrophilic urinary catheters. It is further preferred that the pH of the hydrophilic coating is controlled to be in the range 4.0-8.0, and preferably in the range 5.0-6.0. It is also preferred that the pH of the hydrophilic coating is controlled to be below 7.0. The pH of the hydrophilic coating could be controlled by means of a pH buffer, and preferably a citrate or phosphate buffer. Specifically, the provision of the salt of organic acid in combination with a pH buffer has proven surprisingly efficient for inhibition of bacterial growth, and for prevention of bacterial infections.

The invention discloses a washing-free antibacterial hand sanitizer and a preparation method thereof. Raw materials of the washing-free antibacterial hand sanitizer calculated at 100ml include 1-10g of chlorhexidine salt, 5-1,000ug of silver nitrate, 30-90ml of alcohol, 2-50g of skin care agent, 0.5-3g of tackifier, 0.5-3g of surfactant, 0.5-5g of p+H regulator and 15-50ml of deionized water. In the preparation method, the skin care agent and the chlorhexidine salt are added to the alcohol and dissolved under the temperature of 30-70 DEG C to form alcoholic solution; the tackifier, the surfactant and the silver nitrate are added to the deionized water to form aqueous solution; finally, the aqueous solution and the pH regulator are added to the alcoholic solution to prepare the washing-free antibacterial hand sanitizer. The washing-free antibacterial hand sanitizer contains various antibacterial components, has very strong broad-spectrum antibacterial and bactericidal effects on various bacteria and fungi, and has long-acting antibacterial effect.

A two component composition comprises an anchor enzyme complex to degrade biofilm structures and a second anchor enzyme component having the capability to act directly upon the bacteria for a bactericidal effect.

The invention discloses a phosphorus-free composite scale and corrosion inhibitor, applications thereof, and a processing method for circulating water. The phosphorus-free composite scale and corrosion inhibitor comprises dispersants, phosphorus-free corrosion inhibitors and manganese salts. The weight ratio of the dispersants, the phosphorus-free corrosion inhibitors and the manganese salts is 1:0.5-50:0.025-0.5, wherein the weight of the manganese salts is in terms of manganese ions. The phosphorus-free composite scale and corrosion inhibitor has good synergistic effects with non-oxidation-type bactericides, especially isothiazolinone, and can raise the bactericidal effects of the non-oxidation-type bactericides obviously, the bactericidal speed is rapid and the drug effect time is long. The phosphorus-free composite scale and corrosion inhibitor is environmentally friendly, has phosphorus-free and nitrogen-free characteristics, meets green environmental protection requirements, and reduces environmental burden. The phosphorus-free composite scale and corrosion inhibitor has a wide water quality adaptation range, and is easy to be popularized and applied.

The invention relates to an assembly for sterilizing surfaces and lumens of a medical device with a light source. The light source can emit light that reduces the number of or removes micro organisms from the lumen and / or surfaces of the medical device. The invention relates to an assembly comprising—a medical device for transporting fluids having a lumen and a first connector part, and—at least one light source configured to emit light having bactericidal effect which light source has a corresponding second connector part, and comprises an optical window being transparent for light from the light source allowing the light to the inlet of the lumen of the medical device and protecting the light source from liquid gaining access to the light source,—a separate non-transparent unit being provided with a first coupling part and a second coupling part, where the first coupling part of the separate non-transparent unit during use is joined to the corresponding connector part (5) of the light source and the second coupling part during use is joined to the connector part of the medical device. The first connector part of the medical device and the second corresponding connector part of the light source via the non-transparent unit can be joined such that the light source is placed outside and in extension of the lumen of the medical device before exposure to light.

The invention discloses a cooked lamb shashlik and a method for making the same. The cooked lamb shashlik comprises the following components in parts by weight: 9.80-10.02 parts of lamb leg, 1.982-2.036 parts of pickle and 0.6-0.82 parts of spice. The method for making the cooked lamb shashlik comprises the following steps: (1) receiving raw materials; (2) anti-catalyzing; (3) cutting; (4) pickling with ingredients; (5) cooking; (6) drying; (7) mixing with ingredients; (8) skewering; and (9) packaging to obtain the finished product. The method adopts a low-temperature cooking technology, and is operated according to the gradient cooking procedure, so that the nutrients of the lamb shashlik can be prevented from being destroyed; the cooked lamb shashlik is low in calorie, fat and sugar, and can satisfy the requirements of customers on pursuing healthy food; and the spice which is used by the cooked lamb shashlik can inhibit the smell of mutton, has stronger aroma-producing and flavor-producing functions, can improve not only the appetite but also the flavor, and also has a bactericidal effect.

A cleaning and sanitation apparatus for cleaning a liquid, the apparatus comprising ionization means to produce ions having an algaecidal or bactericidal effect into the liquid, ultrasonic cleaning means to introduce sound waves into the liquid, and electronic oxidation means to increase the oxidation reduction potential of the liquid, wherein the ionization means, the ultrasonic cleaning means and the electronic oxidation means are operated simultaneously for a period to clean and sanitize the liquid in the absence of added salt, chlorine or other chemicals.

The present invention is viscose fiber and its preparation process, belongs to the field of texture technology, and solves the problem of enabling fiber possess antiseptic and virucidal function. The technological scheme includes that the bactericidal fiber consists of fiber forming polymer in 99.0-99.9 wt% and nanometer silver grains as bactericide in 0.1-1.0 wt%, and that during the preparation of the bactericidal fiber, nanometer silver grains in nanometer silver aqua colloid form is added into the spinning solution before conventional wet spinning to obtain bactericidal viscose fiber. The obtained viscose fiber has lasting bactericidal effect and no toxic side effect.

The invention relates to an extracting and processing technique of carrageen by utilizing eucheuma, which comprises the procedures of cleaning, alkali treatment, washing, enzymatic hydrolysis, extracting, filtering, potassic alteration, dehydration, crushing and drying. By adopting enzyme biotechnology technology, the extraction rate and quality of carrageenan are improved, while the production cycle and energy consumption thereof being lowered. Colloid dissolves out of carrageen cells completely after the organization of cellulose in carrageen cell wall being destroyed during the procedure of enzymatic hydrolysis, thus improving the extraction rate of carrageenan. Meanwhile, the time of boiling procedure is shortened and the temperature thereof is lowered. The yield of products is increased and steam consumption during the process is reduced. Small molecule pigments also dissolve out of carrageen cells during the procedure of enzymatic hydrolysis, thus improving the transparency and purity of the obtained carrageenan. Since alcohol is adopted in dehydration procedure, the water content of the products is greatly reduced. Meanwhile, bactericidal effect of alcohol is favorable to inhibit the breeding of microorganisms during the process, thereby fulfilling the objective of disinfection and bacteriostasis. The above technique has the advantages of high extraction efficiency, high utilization rate of raw materials and high transparency and purity of the obtained carrageenan.

The invention provides a method for preparing a special compound biological medicine fertilizer for apple trees, which comprises the following raw materials in parts by weight: 30-40 parts of kitchen wastes, 20-30 parts of tobacco straws, 10-15 parts of plant ash, 10-15 parts of distillers' grains, 16-18 parts of potassium humate, 10-12 parts of bird feathers, 18-22 parts of modified fly ash, 12-14 parts of urea, 11-13 parts of ammonia water, 14-16 parts of diammonium phosphate, 13-15 parts of potassium sulfate, 11-13 parts of calcium superphosphate, 2-4 parts of cnidium fruit, 2-4 parts of aloe, 3-5 parts of eucalyptus leaves, 2-4 parts of pharbitis seed, 3-5 parts of cyrtomium rhizome, 0.5-0.8 part of zinc sulfate, 0.8-1.0 part of magnesium sulfate, 0.7-0.9 part of boric acid, 0.4-0.6 part of fermentation preparation and a proper amount of citronella oil. After various organic wastes are mixed and fermented to produce green organic fertilizers, the environmental pollution is reduced, the fermented organic matter is mixed with the inorganic fertilizer, the Chinese herbal medicine juice (citronella oil) with insecticide properties is added, the nutrition is more comprehensive, and the bactericidal effect is increased; the fertilizer has the advantages of obviously improved fertilizer utilization ratio, single time of application, effective slow release, reduced fertilization frequency, reduced fertilizer cost and improved economic benefit; and after the application of the fertilizer, the quality of the apple trees can be effectively improved, and the yield can be improved.

The invention relates to a bactericidal composition containing benziothiazolinone and difenoconazole based on the weight ratio of 1:80-80:1, preferably 1:10-10:1. The bactericidal composition can be prepared into water dispersible granules, wettable powder, suspension agent, water emulsion, microemulsion and emulisfying oil agent. The bactericidal composition has the advantages of rational components, treatment and protection effects, good bactericidal effect, reduced medication times, low medication cost, obvious synergistic effect rather than simple superposition of activity and bactericidal effect of the components, retarded resistance and good safety on crops, thus meeting the safety requirement for pesticide preparations; and the bactericidal composition has better prevention and treatment effects on alternaria leaf spots, scab, anthracnose, powdery mildew and leaf spots on crops such as vegetable, melon and fruit, fruit trees, flower and cereal.

The invention discloses organosilicon type marine antifouling paint binder. The structure of the paint binder is shown in the formula (1), wherein the paint binder is an organosilicon-polyurethane compound with bactericide side chain and R represents CH2CH3. The preparation method comprises the following preparation steps: 1) using chloropropylmethyldimethoxysilane and dimethyldimethoxysilicane to react and obtain chloropropyl-containing polysiloxane; 2) using chloropropyl-containing polysiloxane, tertiary amine and hydroxyl-containing tertiary amine to perform reflux reaction and generate polysiloxane with quaternary ammonium salt and hydroxyl; and 3) mixing isocyanate, butyltin dilaurate and polysiloxane with quaternary ammonium salt and hydroxyl with solvent, adding gamma-aminopropyltriethoxysilane to extend the chain and obtain prepolymer with the crosslinked group -Si(OCH2CH3), and using the prepolymer to perform crosslinking and condensation in the air and obtain the finished product. The organosilicon type binder has low surface energy performance and very good hydrophobicity; and the molecular chain has environmentally-friendly bactericide, thus the binder has very good bactericidal effect and marine antifouling effect.

The invention discloses a silver-based composite particle having bactericidal effects and a preparation method of the silver-based composite particle, and especially relates to silica / silver composite powder which has a core-shell structure, contains silver element particles or a silver-based compound having a radial concentration gradient and has strong sterilization effects, and an antibacterial agent containing the silver element particle or silver-based compound composite particles as main ingredients. The antibacterial agent has washing resistance and photochromism resistance.

The invention belongs to the fields of nanometer materials and antimicrobial packaging materials for foods, and discloses a hydrophobic nanofiber membrane containing plant essential oil and a preparation method and an application thereof. The preparation method comprises the following steps: 1, preparing cinnamon essential oil / [beta]-cyclodextrin inclusion compound; 2, preparing polylactic acid solution with the mass concentration of 5%-25%; 3, adding the cinnamon essential oil / [beta]-cyclodextrin inclusion compound with the mass concentration of 5%-20% into the solution obtained in the step 2, and stirring to obtain spinning solution; 4, sucking the spinning solution into an syringe, installing a syringe needle with the diameter of 0.6-0.8mm, adjusting the distance between the syringe needle and a receiver to be 8-20cm, spinning for 3-6h under conditions that the voltage is 7-25kV and the flow rate of the spinning solution is 1.5-4mL / h, drying and thus obtaining the hydrophobic nanofiber membrane containing plant essential oil. The hydrophobic nanofiber membrane containing plant essential oil has good bactericidal effect, and can well prolong quality guarantee periods of meat products and the like, thus being capable of serving as the packaging material for foods.

The invention discloses a composite organic fertilizer of waste oil residue and cake meal and its preparation method, the organic fertilizer is prepared from the following raw materials: by weight, 12-15 parts of the waste oil residue, 30-35 parts of soybean meal, 10-12 parts of medical stone powder, 10-12 parts of zeolite powder, 20-25 parts of oil shale powder, 2-3 parts of sophora flavescens powder, 1-2 parts of quisqualis powder, 10-12 parts of coleus blumei powder, 50-55 parts of manioca leaf powder, 30-35 parts of tea-leaf, 100-120 parts of vinasse, 40-50 parts of vinegar residue, 10-15 parts of edible fungus chaff, 30-35 parts of ammonium dihydrogen phosphate, 16-19 parts of potassium sulfate, 50-55 parts of ammonium bicarbonate, 3-4 parts of a multielement slow release fertilizer and 1-2 parts of an EM (Effective Microorganism) bacteria agent; according to the composite organic fertilizer, the soybean meal, the oil residue, the medical stone powder, the zeolite powder and the like contain large quantities of trace elements and plant chemical components, the contents of related beneficial components in crops can be increased by crop absorption, the nutrition and health care values can be increased, at the same time, the sophora flavescens powder and the quisqualis powder have bactericidal effects, can reduce agricultural crop diseases and insect pests, can reduce chemical pesticide application amount to promote environmental protection.

The invention discloses a coated fabric containing antibacterial peptides and the preparation method, the surface of the fabrics are coated with coating agents containing antibacterial peptides. The preparation method comprises as follows: firstly, the antibacterial peptides are dissolved or dispersed into the coating agents at normal temperature to form finishing agents, then the fabrics are coated by the conventional rolling-baking method. The coated fabric containing antibacterial peptides has the advantages of broad spectrum antibacterial and bactericidal effect because the surface of the fabrics are coated with coating agents containing antibacterial peptides; no obvious influence on the appearance of the fabrics due to the thin coating layer.

The invention discloses a pure Chinese medicine disinfectant and a process for preparing the same, which aim at providing a disinfectant with low cost, simple and convenient use and fine sterilization effect, and solve the technical problem that the existing disinfectant has strong irritation, large toxic effect and side effect and hidden using safety hazards. Selected raw medicinal materials and weight proportions thereof respectively include 20 parts of chinaberry flower, 10 parts of wrinkled gianthyssop herb, 15 parts of Chinese atractylode rhizome, 15 parts of Chinese mugwort leaf, 30 parts of tangerine peel and 30 parts of lightyellow sophora root. The process for preparing the disinfectant is selected from processes of 1, water boiling, 2, distillation, 3, reflux and 4, impregnation. The pure Chinese medicine disinfectant has strong bactericidal effect on gram-negative bacteria and gram-positive bacteria, and has the advantages of no irritation, no toxic effect or side effect, no residues, no pollution and capability of being widely applied to sterilization in environment, livestock and poultry houses and body surfaces of livestock and poultry.

The invention discloses a nano-silver peroxide composite antibacterial solution and a preparation method thereof. The antibacterial solution is characterized in that the antibacterial solution comprises following raw materials based on 1000 mL of the nano-silver peroxide composite antibacterial solution: 1-100 g of a nano-silver stabilizing agent, 1-100 g of auxiliary agents, 0.02-2 g of a silver source (based on silver), 0-20 g of a reductant, 0-50 g of a dispersion protection agent and 0.2-100 g of a peroxide, with the balance being purified water. Nano-silver particles of the antibacterial solution have a size of 1-10 nm, and show monodispersity and no agglomeration. The antibacterial solution is colorless, transparent, color change resistant, strongly stable, wide in pH controllable range, and the like. In addition, under conditions that the concentrations of the nano-silver and the peroxide are both low, the antibacterial solution can reach a high sterilizing rate in short time, and has lasting bactericidal effects. The preparation method has characteristics of simple operation, wide parameter adjustable range, low energy consumption, short period, and the like, and is suitable for large-scale production.

The invention discloses a traditional Chinese medicine acne removing essence, and belongs to the field of acne removing cosmetics. The traditional Chinese medicine acne removing essence provided by the invention comprises the following components in parts by weight: 20-30 parts of mother chrysanthemum, 20-30 parts of honeysuckle, 5-10 parts of fructus forsythia, 40-50 parts of the root of red-rooted salvia, 10-20 parts of liquorice, 10-20 parts of bletilla striata, 20-30 parts of aloe, 5-10 parts of glycerol, 2-6 parts of propylene glycol, 3-8 parts of triethanolamine, 10-20 parts of tea tree oil, 10-15 parts of water-solubility pearl powder and 100-180 parts of water. The traditional Chinese medicine acne removing essence provided by the invention has obvious bacteriostasis and bactericidal effects as well as anti-inflammatory effect, is beneficial to sebum discharge, eliminating local swelling caused by acne, fading acne marks, and resisting acne regeneration.

A two component composition comprises an anchor enzyme complex to degrade biofilm structures and a second anchor enzyme component having the capability to act directly upon the bacteria for a bactericidal effect.

The present invention for the first time discloses a method and a kit of parts for treating a periodontal disease, such as periimplantitis, gingivitis, periodontitis and / or periimplant mucositis, caused by microorganisms that colonize a tooth and / or implant surface at, above and / or below the gingival margin, and which reside in a biofilm either subgingival and / or supragingival, characterized by employing a surgical process leading to substantively removing, destroying, killing and / or disrupting and / or inhibiting growth and / or regrowth of a pathogenic biofilm at a site of a microbial infection in a patient suffering from a periodontal disease. Said method comprises, and said kit of parts comprises the means for; cleaning disinfecting and / or debriding the site of microbial infection mechanically and sequentially using first at least one cleaning and / or disinfecting agent with an immediate bactericidal effect, such as a NaClO solution, and thereafter at least one cleaning and / or disinfecting agent with a sustainable bactericidal effect, such as a CHX solution.

The invention discloses a Bdellovibrio strain for preventing and treating mastitis and applications thereof. A Bdellovibrio BDS01 is obtained by separation, and is unicellular, arced and 0.9-0.25 micrometer in size; the end of the Bdellovibrio BDS01 has flagellum which is 4 micrometers long. When cultured by a two-layer plating method at 28 DEG C for four days, the Bdellovibrio BDS01 can form transparent round plaques with the diameter of 1-2 mm. The microbial preparation prepared by using the Bdellovibrio BDS01 plastid has favorable effects for preventing cow mastitis. Compared with the telotroch, the plastid has the characteristics of convenient preparation and storage, strong environmental resistance, slightly slow sterilization action, longer sterilization action time, and the like, and does not have toxic or side effect on cows. Therefore, the microbial preparation containing the Bdellovibrio BDS01 plastid is suitable for large-size factory culture of cows, and a novel method forgreen processing and production of milk and for preventing and treating mastitis can be provided.

The invention relates to plant essential oil air freshener. The plant essential oil air freshener is prepared from, by weight, 1.5-2 parts of mint essential oil, 1-2 parts of rosemary essential oil, 1-10 parts of sandalwood essential oil, 2-15 parts of frankincense essential oil, 0.5-1 part of citrus amara essential oil, 3-5 parts of lavender essential oil, 2-20 parts of cordate telosma essential oil, 2-5 parts of geranium essential oil, 1-4 parts of arabian jasmine flower essential oil, 2-10 parts of french marigold essential oil, 1-2 parts of Cananga odorata essential oil, 2-3 parts of bergamot essential oil, 2-4 parts of rose essential oil, 2-5 parts of tea tree essential oil and 30-95 parts of solvent. Compared with the prior art, the plant essential oil air freshener is natural and free of pollution, does not harm the human body and can be used for a long time. The plant essential oil air freshener has fragrant smell, has the effects of physiotherapy, nerve soothing, pressure relieving and calming on an indoor user, has the mosquito repellent effect to avoid usage of indoor mosquito-repellent incense and culicide and has the bactericidal effect.

The invention provides a special organic-inorganic compound biological medicine fertilizer for sweet potatoes, which comprises the following raw materials in parts by weight: 50-60 parts of sweet potato vines, 10-20 parts of deciduous leaves, 10-12 parts of bone meal, 15-17 parts of poultry droppings, 18-22 parts of sodium humate, 14-16 parts of chicken feathers, 10-12 parts of monoammonium phosphate, 18-20 parts of concentrated superphosphate, 10-12 parts of ammonium bicarbonate, 8-10 parts of potassium sulphate, 10-16 parts of silkworm faeces, 8-10 parts of sepiolite, 2-3 parts of cnidium fruit, 2-3 parts of aloe, 3-4 parts of buckeye, 2-3 parts of pharbitis seed, 4-6 parts of cinnamomum burmannii, 0.02-0.04 part of sodium molybdate, 1.5-2.0 parts of magnesium sulfate, 3-5 parts of potassium chloride, 0.2-0.3 part of ferrous sulfate and 1-2 parts of EM(effective microorganisms) strain. After various organic wastes are mixed and fermented to produce the green organic fertilizer, the environmental pollution is reduced, the fermented organic matter is mixed with the inorganic fertilizer, the Chinese herbal medicine juice (gauleheria) with insecticide properties is added, the nutrition is more comprehensive, and the bactericidal effect is increased; the fertilizer has the advantages of obviously improved fertilizer utilization ratio, single time of application, effective slow release, reduced fertilization frequency, reduced fertilizer cost and improved economic benefit; and after the application of the fertilizer, the quality of the sweet potatoes can be effectively improved, and the yield is can be improved.

The invention relates to an anti-bacterial anti-corrosive coating material for the inner wall of an oilfield reinjection water pipeline, comprising solvent-free organic fluorine modified epoxy resin as base material and hybridized organic-inorganic fungicide and filling materials, etc. The coating material has good anti-bacterial performance and anti-corrosive performance, and has good self-cleaning and antisetoff performance. The coating material has good workability, and can be used on wet metal surface. The coating material has fast drying speed, good thoughness and rigidity, good adhesiveforce with the base coat,and flat and smooth film. The coating material has good bactericidal effect on sulfate reducing bacteria, iron bacteria and the like, good broad-spectrum bactericidal action,fast sterilization speed, high sterilization efficiency, no pollution to the environment, and no toxicity to human body.Thereby, the coating material has a wide application prospect.

The invention relates to a biogas liquid composite disinfectant liquid and a preparation method thereof. The biogas liquid composite disinfectant liquid belongs to the field of pesticide, and comprises a bactericidal composition and prepared biogas liquid which are compounded by a certain weight percent, wherein the bactericidal composition comprises the following ingredients by weight percent: 0.1-2% of propamidine, 5-10% of metalaxyl, and 94.9-88% of solvent and pesticide adjuvant. The bactericidal composition can be prepared into missible oil, aqueous emulsion or soluble liquor. The prepared bactericidal composition and the biogas liquid are uniformly mixed by the weight percent of 99.5-99.7% of the biogas liquid and 0.3-0.5% of the bactericidal composition. The disinfectant liquid provided by the invention has remarkable bactericidal effect on downy mildew and gray mold, has remarkably improved bactericidal activity in comparison with single dose and the bactericidal composition, has prolonged lasting period, can play a role in treating various diseases with one medicine, obviously reduces the poisonousness of the pesticide, is safe to use, has various preparation formulations, can be prepared simply, and has extremely high popularization value.