6results about How to "Effective antibacterial" patented technology

The invention relates to the technical field of medical drugs, in particular to a traditional Chinese medicine for pressure sore rehabilitation treatment and a preparation method and application thereof.The traditional Chinese medicine composition is prepared from, by weight, 2 parts of honeysuckle flowers, 2 parts of fructus forsythiae, 2 parts of purslane, 1 part of radix isatidis, 1 part of polygonum cuspidatum, 1 part of indigo naturalis, 2 parts of rehmannia glutinosa libosch, 2 parts of prepared rehmannia roots and 1 part of donkey-hide gelatin. The traditional Chinese medicine composition further comprises the following auxiliary materials in parts by weight: 2 parts of tung oil, 1 part of alcohol and 1 part of erythromycin. According to the traditional Chinese medicine for pressure sore rehabilitation treatment and the preparation method and application thereof, inflammation can be effectively reduced, inflammation is one of important factors of pressure sore development, the medicine for clearing away heat and toxic materials can help relieve inflammatory response and improve blood circulation, and sufficient nutrition and oxygen can be provided by promoting local blood circulation; the medicine for clearing away heat and toxic materials has the antibacterial effect, infection can be prevented or controlled, the healing quality is improved, and the healing period is shortened.

This invention discloses a near-infrared light-exciteable composite nanosheet, its preparation method, and its applications, belonging to the field of biomedical technology. The method includes the following steps: mixing epigallocatechin gallate with a Ti3C2 nanosheet dispersion, ultrasonically reacting, adding silver salt, and continuing stirring in the dark; after the reaction is complete, washing and separating to obtain MXene-EGCG@Ag composite nanosheets. The composite nanosheets provided by this invention possess near-infrared light-exciteable properties and can be used to prepare medically acceptable dosage forms such as hydrogels for the treatment of periodontitis. The preparation method provided by this invention is simple, the raw materials are readily available, and it exhibits significant antibacterial and anti-inflammatory effects, enabling further widespread application.

The invention relates to the technical field of degradable tableware, in particular to degradable environment-friendly tableware and a preparation method thereof. The degradable environment-friendly tableware is prepared from the following components in parts by weight: 30 to 40 parts of polylactic acid, 20 to 30 parts of polyhydroxyalkanoate, 10 to 15 parts of modified copolyester, 20 to 30 parts of modified starch and 10 to 15 parts of deionized water. The invention further provides a preparation method of the degradable environment-friendly tableware. The prepared tableware is good in biodegradation effect, beneficial to environmental protection, good in mechanical property and flame retardance, capable of effectively inhibiting bacteria and high in water resistance.

This invention relates to a polyester with antibacterial and antiviral functions, its preparation method, and its application. The polyester with antibacterial and antiviral functions is a cationic polymer guanidine salt-supported antibacterial and antiviral polyester. The preparation method includes the following steps: modifying the cationic polymer guanidine salt with a compound containing multiple functional groups to obtain a reactive antibacterial and antiviral adjuvant; during the polymerization of the polyester, adding the reactive antibacterial and antiviral adjuvant, terephthalic acid, diol, and catalyst in a single batch to a polyester reactor to obtain an antibacterial and antiviral random copolyester; or, copolymerizing the reactive antibacterial and antiviral adjuvant with diethyl terephthalate (BHET) to obtain an antibacterial and antiviral copolyester. Compared with the prior art, the polyester obtained by this invention exhibits no dissolution of the antibacterial and antiviral components, uniform dispersion, excellent durability, and good color value in the resulting fiber product.

The invention discloses an antibacterial hand sanitizer and a preparation method thereof. The antibacterial hand sanitizer comprises water, propylene glycol, folium artemisiae argyi, purslane, honeysuckle, radix sophorae flavescentis, astragalus membranaceus, chlorhexidine acetate, potassium iodide, ginsenoside, activated carbon, tea polyphenol, hyaluronic acid and vitamin C, according to the formula, the traditional Chinese medicine liquid comprises the following components in percentage by mass: 17.1%-18.5% of water, 1%-4% of propylene glycol, 3%-6% of folium artemisiae argyi, 2%-4% of purslane, 0.5%-1.5% of honeysuckle, 0.3%-0.9% of radix sophorae flavescentis, 5%-7% of astragalus membranaceus, 0.15%-0.18% of chlorhexidine acetate, 0.45%-75% of potassium iodide, 0.06%-0.12% of ginsenoside, 0.2%-0.8% of activated carbon, 0.5%-0.8% of tea polyphenol, 0.06%-0.12% of hyaluronic acid and 3%-8% of vitamin C. The invention belongs to the technical field of antibacterial hand sanitizers, and particularly relates to an antibacterial hand sanitizer which is mild and non-irritant, has obvious sterilization and bacteriostasis effects while cleaning both hands, is extremely easy to wash after being used, and can clean and moisten hand skin after being used.

This invention discloses an injectable hydrogel for photothermal-assisted treatment of periodontitis and its preparation method, belonging to the field of polymer material preparation technology. The preparation method includes the following steps: reacting MXene dispersion with epigallocatechin gallate and MgSO4; then sequentially performing ultrasonication, centrifugation, washing, and lyophilization to obtain multifunctional nanosheets MP-Mg; adding the multifunctional nanosheets MP-Mg to an aqueous solution of oxidized gellan gum for mixing to obtain solution A; mixing equal volumes of quaternary ammonium chitosan aqueous solution and carboxymethyl chitosan aqueous solution for reaction to obtain solution B; and mixing equal volumes of solution A and solution B for further reaction. The hydrogel prepared by this invention possesses injectability, photothermal responsiveness, biofilm penetration ability, synergistic antibacterial properties, and long-lasting anti-inflammatory effects, providing an innovative and practical photothermal-assisted treatment platform for the clinical treatment of periodontitis.