Chemical durability and anti-microbial property of silver-doped colloi…
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작성자 관리자 조회 161회 학술자명 Solid State Phenomena 권/호 Vol. (124-126) 개재년도 2007 작성일 23-10-24 14:49본문
Chemical durability and anti-microbial property of silver-doped colloidal silica
Byung Bae Mun, Ho Kun Kim, Jin Koo Park
Silver-doped silica gel was prepared by the reaction of colloidal silica and AgNO3. In the synthetic process, aluminum ions promote the chemical durability of silver-doped silica gel with dramatically decreasing the elusion of silica ions at the aqueous solution. Especially, aluminum ions induce slow release silver ion of silver-doped silica gel over a long period of time. Also, antimicrobial effects evaluated using a shake flask method resulted in a disinfection ratio of Staphylococcus aureus(ATCC 6538) and Escherichia coli(ATCC 25922) of over 99.9%, indicating high anti-microbial properties.
Keywords : Antimicrobial Effect, Chemical Durability, Colloidal Silica, Silver, Sol-Gel Method |
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