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자료유형
학술저널
저자정보
한영숙 (이화여자대학교 의류직물학과) 전동원 (이화여자대학교 의류직물학과)
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한국의류학회 한국의류학회지 한국의류학회지 제28권 제6호
발행연도
2004.1
수록면
807 - 818 (12page)

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초록· 키워드

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The antibacterial activities of several types of chitosan were measured against Staphylococcus aureus and evaluated for their application to antibacterial textile finishing. The % reduction of bacteria of the chitosans prepared in our laboratory were between 72 and 87%. The two water-soluble chitosans with molecular weights 1,000 and 3,000 did not show antibacterial activities. The deacetylation of chitosan was appeared to increase antibacterial activity. The % reduction in bacterial density of the 86%-deacetylated chitosan solution was 56% where that of the 76%-deacetylated chitosan solution was only 17% at 0.1% chitosan concentration. Molecular weights of the chitosans seemed not to affect antibacterial activities of chitosans. The antibacterial activity of the acid-soluble, 86%-deacetylated chitosan with 4 cps showed 98% of the % reduction at the level of 0.2% chitosan. The % reduction of bacteria of this chitosan was higher at the higher concentration of acetic acid in the chitosan-bacterial mixture. The antibacterial activity was increased with the pH change over the range of 4.0 to 6.5. The 100% of the % reduction of bacteria was achieved within 4 hour incubation of the chitosan-bacterial mixture. According to the data obtained from the above experiments, the four chitosans among the six prepared in our laboratory were proved to be valuable for antibacterial textile finishing.

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