11001 results about "Antibacterial agent" patented technology

A needleless connector for medical use, adapted to facilitate the flow of fluid therethrough, includes a housing having an inlet port and an outlet port. The connector also includes a flex-tube assembly defining a fluid path between the inlet port and the outlet port. The flex-tube assembly is movable between uncompressed and compressed states. The flex-tube assembly has a first internal volume when in the uncompressed state and a second internal volume, greater than or substantially equal to the first internal volume, when in the compressed state.

This invention relates to novel macrolides, to the preparation of novel macrolides, to the use of such novel macrolides for preventing, treating, or ameliorating various conditions, and to the use of such novel macrolides as antibacterial agents.

The present invention relates to characterizing changes in mammalian gastrointestinal microbiota associated with antibiotic treatment and various disease conditions (such as obesity, metabolic syndrome, insulin-deficiency or insulin-resistance related disorders, glucose intolerance, diabetes, non-alcoholic fatty liver, abnormal lipid metabolism, short stature, osteoporosis, and other disorders of bone formation and mineralization, etc.) and related diagnostic and therapeutic methods. Therapeutic methods of the invention involve the use of probiotics, prebiotics, or narrow spectrum antibiotics/anti-bacterial agents that are capable of restoring healthy mammalian bacterial gastrointestinal microbiota.

A compound of formula (I):

An antistaling plastic film for fruit and vegetable is prepared from the air-permeable inorganic moisture penetrating agent, antibacterial agent, ethylene absorbing and decomposing agent, and resin. Its advantage is high antistaling effect.

A method is provided to produce biodiesel from algae using a two-stage, autotrophic and heterotrophic cultivations of chlorella for biodiesel production. This method includes a sequence of procedures: cultivating photoautotrophic algae, concentrating cells and then transferring them to a fermentor for heterotrophic cultivation. During the photoautotrophic cultivation stage, the culture is exposed to a light source, such as sunlight with carbon dioxide obtained from a carbon dioxide source or from air. antibacterial agents may be added to prevent contamination from undesired microorganisms. Organic carbons are added during heterotrophic cultivation stage. Fermentation conditions are optimized for maximizing lipid synthesis. High biomass is achieved to about 108 g/L with lipid content reaching about 52% of dry cell weight. After cultivation, biodiesel is made through extraction and transesterification of algae lipids.

A pharmaceutical composition comprises (a) an antibacterial agent in an antibacterially effective amount, illustratively comprising clindamycin or a pharmaceutically acceptable salt or ester thereof, and (b) an antifungal agent in an antifungally effective amount, illustratively comprising butoconazole or a pharmaceutically acceptable salt or ester thereof. The composition is adapted for application in a unit dose amount to a vulvovaginal surface and has at least one nonlipoidal internal phase and at least one lipoidal external phase that is bioadhesive to the vulvovaginal surface. The composition is useful for administration to a vulvovaginal surface to treat a mixed bacterial vaginosis and vulvovaginal candidiasis infection.

The present invention includes compositions and methods for the treatment and prevention of oral mucosal disorders and for promotion of bone health. In particular, the present invention describes new therapeutic and preventative uses for 3,3′-diindolylmethane (DIM), or a DIM-related indole, alone or in combination with anti-inflammatory agents and/or antibacterial agents, to treat oral mucosal disorders and promote bone health. The compositions of the invention are used to prevent and reverse oral mucosal disorders and bone loss (osteopenia and osteoporosis) associated with aging and chronic inflammation. Oral mucosal disorders include Periodontitis, gingivitis and related oral mucosal inflammation. Formulations of the compositions of the invention include capsules, tablets, toothpastes, oral gels, mouthwashes, mouth rinses, lozenges, chewing gum, dental floss, and dental topical formulations, and fortified foods.

Antibacterial compositions having high antibacterial effectiveness and excellent esthetic properties are disclosed. The compositions also impart skin conditioning properties and improved feel to cleansed skin. The antibacterial compositions contain a phenolic antibacterial agent, a surfactant, esthetic enhancers, skin care ingredients, and water, wherein a percent saturation of the antibacterial agent in the aqueous phase of the composition is at least 25%.

The invention discloses a clinical medication decision support system which relates to the field of medical systems. The system comprises a standard treatment medication module, a medication safety reviewing module and a prescription monitoring and warning module, wherein the standard treatment medication module is used for providing diagnosis and treatment reference information and a medication reference scheme according to pathology and physiology information of a patient, so that a doctor can make a prescription; the medication safety reviewing module is used for reviewing the medication safety condition of the patient according to the prescription and generating a reviewing log; and the prescription monitoring and warning module is used for estimating the prescription and generating warning information according to the reviewing log. The system can automatically provide the medication scheme according to the pathology and physiology information of the patient, assist in the doctor to make the prescription, review the safety of the prescription, estimate the prescription and conduct warning on the reviewing result, thus remarkably improving the security, normalization and standardization of clinical medication; and furthermore, by virtue of an antibacterial agent management module, the effective management and monitoring on antibacterial agents are realized, and thus the safety of the clinical medication is further improved.

An antibacterial nano-class fibre material contains superfine high-molecular fibres (60-98 wt.%) and antibacterial agent (2-40 wt.%), and is prepared through dispersing or dissolving one or more high-molecular material in solvent to become transparent solution or mixture, dispersing the superfine particle of antibacterial agent (less than 20 microns) in said solution, and electric spinning. It can be used as protecting material, disinfecting filter material and tissue covering material for repairing tissue or promoting healing of tissue.

The invention discloses a porous graphene loaded cerium nano composite antibacterial agent which is compounded from porous graphene and cerium, wherein nano cerium is deposited on a porous graphene layer; the particle size of the nano cerium is within 5-20nm; the specific surface area of the porous graphene is 350-450m<2>/g; the conductivity of the porous graphene is 20-60S.m<-1>; and the weightlessness of the porous graphene within 900 DEG C is 4-6wt%. The invention further discloses a preparation method of the porous graphene loaded cerium nano composite antibacterial agent. The method comprises the preparation of the porous graphene and the preparation of the porous graphene loaded cerium. The porous graphene loaded cerium has longer antimicrobial activity, can improve the security and reduce the use cost, and has wide prospects in industrial applications.

The antibacterial polypropylene material consists of polypropylene resin 100 weight portions, stuffing 25-35 weight portions, toughening agent 5-15 weight portions, antiseptic 0.2-0.8 weight portion, dispersant 0.5-1.5 weight portions, antioxidant 0.1-0.5 weight portion and ultraviolet absorber 0.1-0.5 weight portion. The polypropylene resin is homopolypropylene, and the antiseptic is compounded with nanometer silver and organosilicon antiseptic. The present invention also provides the preparation process of the antibacterial polypropylene material with low production cost, excellent antiseptic performance.

The present invention relates to methods, systems, kits and devices that emit light to the oral cavity. The device includes a light source; a power source in electrical communication with the light source; and a bite actuated switch in electrical communication with the power source and the light source. The device is a size or shape that fits within an oral cavity of an individual. Since the device along with the light and power source are self contained, the user have their hands-free and can perform other activities while using the device. The device, methods, systems, and kits, further include the use of an agent (e.g., antibacterial agents, tooth whitening agents, cleaning agents) that assists or enhances the efficacy of the light therapy.

An alcohol based antibacterial liquid formulation with high lathering properties, containing an antibacterial agent, an anionic surfactant, moisturizers, skin conditioners, and a high level of alcohol for frequent use in disinfecting the hands and body. More specifically, the present invention relates to a mild, lathering formulation having high content of a low carbon alcohol, an antibacterial agent and at the same time, having an anionic surfactant to make it lather. The formulation is designed to be used with water to enhance the lathering of the solution, while disinfecting at the same time.

The invention discloses an anti-microbial healing-promoting hydrogel dressing and a preparation method therefor. The main ingredients of the dressing are water-soluble high-molecular polymers, functional polymers with pseudoplastic, anti-microbial agents and water. The above ingredients are dissolved into a whole after a series of technologies. The solution is poured into a mold, and the hydrogel dressing is obtained after curing and irradiation disinfection. The results of wound healing experiments and in vitro anti-microbial experiments show that the hydrogel dressing can promote wound healing effectively, and has good bacteriostatic activity to multiple bacteria (the sterilizing rate is above 70%). The anti-microbial healing-promoting hydrogel dressing is better than existing hydrogel dressings obviously, and has advantages of substantial anti-microbial curative effects, transparency, high water content, simple preparation method, pure product, nontoxicity, innocuousness, no stimulation, good biocompatibility and the like. The hydrogel dressing is suitable for large-area promotion and application.

Oral compositions are provided that comprise a propolis extract; an oral care active compound chosen from: a cationic antibacterial agent, an anti-attachment agent, a biofilm disruption agent, and an anti-inflammatory agent; and a source of fluoride ions. Further, in certain embodiments, the oral composition comprises an anionic polymeric linear polycarboxylate. The oral composition can be in a form of a mouth rinse, a dentifrice, a confectionary, a medicament, or a film. Methods of making and using the oral compositions are also provided.

The invention relates to anti-bacterial water-based paint and a preparation method thereof. The paint comprises the following components in parts by weight: 0.2-11 parts of anti-bacterial agent, 8-33 parts of nano material, 23-64 parts of water-based resin dispersoid and 0.75-18 parts of adhesive resin or plasticizer. The preparation method comprises the following steps: firstly preparing a nano silver anti-bacterial agent; mixing deionized water, the anti-bacterial agent, a wetting agent, a dispersing agent and a defoaming agent and uniformly mixing, adding the nano material, uniformly dispersing to obtain the water-based dispersoid; adding the obtained water-based dispersoid to the mixed emulsion or water-based resin dispersoid, then adding the adhesive resin or plasticizer and various conventional assistants, stirring and dispersing evenly; adding pigments or colorant; and supplementing water to obtain the anti-bacterial water-based paint. The long-acting broad-spectrum antibacterial water-based paint has high fungicidal efficiency (more than 99%) on escherichia coli, staphylococcus aureus, black varietas of bacillus subtilis and the like and can reduce the high concentrate of organic matters of formaldehyde to the range of specified concentration index.

The invention discloses a 3D printing material having a self-cleaning antibacterial function as well as a preparation method and an application of the 3D printing material. The 3D printing material consists of the following components: 70-85 parts of a high-molecular polymer, 1-5 parts of pigment powder, 1-5 parts of inorganic filler, 0.5-1.5 parts of a nanometer antibacterial agent and 10-20 parts of a binding material. The 3D printing material having the self-cleaning antibacterial function is prepared by the following steps: uniformly mixing the components; adding the uniformly mixed materials to a single-screw plastic extruder, extruding, cooling and shaping, drying, drawing and winding. The 3D printing material disclosed by the invention is excellent in toughness and mechanical property, and furthermore the 3D printing material is good in self-cleaning and antifouling properties; and the 3D printing material has high application potential.

The invention discloses an antibacterial polyethylene film and a method for preparing the same. The film consists of an outer layer, a middle layer and an inner layer; the outer layer consists of low-density polyethylene and linear low-density polyethylene; the middle layer consists of low-density polyethylene and linear low-density polyethylene; and the inner layer comprises low-density polyethylene, linear low-density polyethylene, metallocene linear low-density polyethylene, a slipping agent and an antibacterial agent. Compared with the prior art, the antibacterial polyethylene film has the characteristics of broad-spectrum sterilization, lasting antibacterial effect, good safety, no toxicity, no side effects and uneasy discoloration, thereby really achieving the protective function on packaged foods.

The invention discloses wallpaper with an air purifying function and a preparation method. The wallpaper comprises a wallpaper base layer, wherein the wallpaper base layer is printed with a coating and the coating comprises film-forming resin, an inorganic porous powder, a photocatalyst, an antibacterial agent, an organic aldehyde removing agent and an organic deodorant. In the wallpaper with the air purifying function, the inorganic porous powder is capable of quickly adsorbing harmful gases in air, the organic aldehyde removing agent and the organic deodorant are capable of removing formaldehyde and deodorizing quickly and efficiently, the antibacterial agent is capable of preventing mildew and sterilizing efficiently, and the photocatalyst is capable of decomposing indoor volatile organic contaminants everlastingly, and therefore, the capability of purifying the air of the wallpaper for a long time is improved. The wallpaper has the functions of removing the formaldehyde, deodorizing and sterilizing quickly and efficiently at the beginning of home decoration, and purifying the air everlastingly in daily life.

A system and method for reducing or preventing bacterial contamination in food includes application of a bacteriophage treatment to any type of food product at any stage of processing the food product. The bacteriophage treatment may also be applied to non-food surfaces and water systems, which may be susceptible to bacterial contamination and subsequent spread of bacteria. The bacteriophage treatment comprises at least one bacteriophage in a concentration sufficient to reduce or prevent bacterial contamination from pathogenic bacteria and/or spoilage bacteria. In some embodiments, the bacteriophage is able to reduce or eliminate bacteria introduced to a food product after the bacteriophage treatment was applied to the food product. In some embodiments, the bacteriophage treatment includes a buffering agent to maintain the bacteriophage at a pH level that sustains the bacteriophage. In some embodiments, the bacteriophage treatment includes a surfactant and/or a thickener to aid in applying the bacteriophage. Additional adjuvants and enhancers may be used in some embodiments to stabilize the bacteriophage or enhance its performance as an antibacterial agent.

This invention relates to the field of polymeric materials that can be used in combination with a wide variety of substrates, such as textiles, metal, cellulosic materials, plastics, and the like, and to the field of active agents including, for example, antimicrobial, antibacterial, and antifungal materials. This invention further relates to latex polymer coatings that comprise at least one active component as well as methods for making and using such latex compositions.