Nano-silver biological sponge and preparation method thereof
The invention discloses a nano-silver biological sponge and a preparation method thereof. The nano-silver biological sponge comprises a biological sponge which is made of a biological material and nano silvers which are evenly distributed in the biological sponge, wherein the biological material is...
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| creator | DIAO JUNLIN XU TING LIU LIANGMING LI DONGHONG |
| description | The invention discloses a nano-silver biological sponge and a preparation method thereof. The nano-silver biological sponge comprises a biological sponge which is made of a biological material and nano silvers which are evenly distributed in the biological sponge, wherein the biological material is any one or a combination of any two or more than two of chitosan, carboxymethyl chitosan, alginate, gelatin and collagen. The preparation method for the nano-silver biological sponge comprises the following steps: dissolving the biological material such as the chitosan and the like in a solvent, adding cross linker and silver nitrate solution into the solvent, and obtaining the nano-silver biological sponge through freeze drying, heating and curing, and ultraviolet ray or cobalt 60 irradiation. The nano-silver biological sponge has the characteristics of safety and no toxicity, good biocompatibility and biodegradability and remarkable antibacterial effect, and has certain functions of stanching and promoting healin |
| format | Patent |
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The nano-silver biological sponge comprises a biological sponge which is made of a biological material and nano silvers which are evenly distributed in the biological sponge, wherein the biological material is any one or a combination of any two or more than two of chitosan, carboxymethyl chitosan, alginate, gelatin and collagen. The preparation method for the nano-silver biological sponge comprises the following steps: dissolving the biological material such as the chitosan and the like in a solvent, adding cross linker and silver nitrate solution into the solvent, and obtaining the nano-silver biological sponge through freeze drying, heating and curing, and ultraviolet ray or cobalt 60 irradiation. 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The nano-silver biological sponge comprises a biological sponge which is made of a biological material and nano silvers which are evenly distributed in the biological sponge, wherein the biological material is any one or a combination of any two or more than two of chitosan, carboxymethyl chitosan, alginate, gelatin and collagen. The preparation method for the nano-silver biological sponge comprises the following steps: dissolving the biological material such as the chitosan and the like in a solvent, adding cross linker and silver nitrate solution into the solvent, and obtaining the nano-silver biological sponge through freeze drying, heating and curing, and ultraviolet ray or cobalt 60 irradiation. The nano-silver biological sponge has the characteristics of safety and no toxicity, good biocompatibility and biodegradability and remarkable antibacterial effect, and has certain functions of stanching and promoting healin</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL |
| title | Nano-silver biological sponge and preparation method thereof |
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