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Sterilization of Escherichia coli and MRSA using microwave-induced argon plasma at atmospheric pressure

Authors
 Kwon-Yong Lee  ;  Bong Joo Park  ;  Dong Hee Lee  ;  In-Seop Lee  ;  Soon O. Hyun  ;  Kie-Hyung Chung  ;  Jong-Chul Park 
Citation
 SURFACE & COATINGS TECHNOLOGY, Vol.193(1~3) : 35-38, 2005 
Journal Title
 SURFACE & COATINGS TECHNOLOGY 
ISSN
 0257-8972 
Issue Date
2005
MeSH
Sterilization ; Escherichia coli ; Methicillin-resistant Staphylococcus aureus ; Microwave-induced argon plasma ; Atmospheric pressure
Keywords
Sterilization ; Escherichia coli ; Methicillin-resistant Staphylococcus aureus ; Microwave-induced argon plasma ; Atmospheric pressure
Abstract
The use of microwave plasma for sterilization is a relatively new method. The advantages of this method include relatively low temperature, time-saving and nontoxicity compared to the known techniques, such as dry heat, steam autoclave and ethylene oxide (EtO) gas. The aim of this study was to investigate the sterilization effects on Escherichia coli and methicillin-resistant Staphylococcus aureus (MRSA) using self-designed, low-cost and reliable, 2.45 GHz, wave guide-based applicator to generate microwave plasma at atmospheric pressure. The results of this study confirmed that the sterilization effect of microwave-induced argon plasma at atmospheric pressure was caused by free radicals and UV light generated during the plasma treatment and the etching process. The microwave plasma system used in this study required much less exposure time than the previous study on bacterial strains of E. coli and MRSA, because of the high plasma density, the large number of free radicals, and the strong UV intensity.
Full Text
http://www.sciencedirect.com/science/article/pii/S0257897204005328
DOI
10.1016/j.surfcoat.2004.07.034
Appears in Collections:
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Medical Engineering (의학공학교실) > 1. Journal Papers
Yonsei Authors
Park, Bong Joo(박봉주)
Park, Jong Chul(박종철) ORCID logo https://orcid.org/0000-0003-0083-5991
Lee, Dong Hee(이동희)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/147302
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