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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 8
BKCSDE 34(8)
August 20, 2013 

Influence of Acetylation on the Antimicrobial Properties of Chitosan Non-Woven Fabrics
Hye Kyoung Shin, Mira Park, Hak-Yong Kim*, Fan-Long Jin, Heung Soap Choi, Keziah H. Kim, David S. Kim, Soo-Jin Park*
Chitosan, Non-woven fabrics, Active chlorine content, Antimicrobial activity, Surface properties
Chitosan non-woven fabrics were acetylated to improve their antimicrobial properties. The active chlorine content, antimicrobial properties, storage stability, and surface properties of acetylated chitosan non-woven fabrics were investigated. The active chlorine content of the fabrics increased upon reduction of the degree of the acetylation or increase in sodium hypochlorite concentration. Acetylated chitosan non-woven fabrics showed powerful antimicrobial activity by efficiently killing Escherichia coli and forming a growth inhibition zone for Staphylococcus aureus. Furthermore, scanning electron microscopy observations demonstrated that the acetylated chitosan non-woven fabrics were not damaged in sodium hypochlorite solution.
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