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Sterilization of microorganisms in silk fabrics by microwave-induced argon plasma treatment at atmospheric pressure

 Dong Jeong Park  ;  Mi Hee Lee  ;  Yeon I Woo  ;  Dong-Wook Han  ;  Jae Bong Choi  ;  Jeong Koo Kim  ;  Soon O.Hyun  ;  Kie-Hyung Chung  ;  Jong-Chul Park 
 SURFACE & COATINGS TECHNOLOGY, Vol.202(22-23) : 5773-5778, 2008 
Journal Title
Issue Date
Silk fabrics ; Microbial contamination ; Sterilization ; Microwave-induced argon plasma ; Ultimate tensile strength
Since many old cultural assets, such as clothes, pictures and books, remain in the state of silk fabrics or papers, it is very difficult as well as important to retain their original form. Microbial contamination induces surface deformations and strength degradation of silk fabrics by invading deeply into the fibers. In this study, the sterilization effects of microwave-induced argon plasma at atmospheric pressure were investigated on the microorganisms in silk fabrics. Also, the influence of the plasma treatment was examined on the physical properties of the fabrics. Argon plasma treatment completely sterilized the silk fabrics inoculated with various strains of either bacteria or fungi. It was also found that the plasma treatment did not affect the ultimate tensile strength and surface morphology of the fabrics because it took advantage of relatively low temperature. As increase in the plasma treatment, however, the lightness of silk fabrics decreased with concomitant increased in the color intensities of green and yellow. These results suggest that microwave-induced argon plasma can be effectively used as an alternative method for sterilizing and protecting cultural assets out of silk fabrics without any deterioration of the tensile strength and surface morphology
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1. College of Medicine (의과대학) > Dept. of Medical Engineering (의학공학교실) > 1. Journal Papers
Yonsei Authors
Park, Dong Jeong(박동정)
Park, Jong Chul(박종철) ORCID logo https://orcid.org/0000-0003-0083-5991
Woo, Yeon I.(우연이)
Lee, Mi Hee(이미희) ORCID logo https://orcid.org/0000-0002-9630-7044
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