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Deactivation of yeast by dielectric barrier discharge

Published online by Cambridge University Press:  17 April 2009

N. N. Morgan ,
M. A. Elsabbagh ,
S. Desoky  and
A. A. Garamoon
N. N. Morgan
Affiliation:
Physics Department, Faculty of Science (male), Al-Azhar University, Nasr City, Cairo, Egypt
M. A. Elsabbagh
Affiliation:
Physics Department, Faculty of Science (male), Al-Azhar University, Nasr City, Cairo, Egypt
S. Desoky
Affiliation:
Microbiology Department, Faculty of Science (male), Al-Azhar University, Nasr City, Cairo, Egypt
A. A. Garamoon*
Affiliation:
Centre of Plasma Technology, Al-Azhar University, Nasr City, Cairo, Egypt
*
[email protected]
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Abstract

Saccharomyces Cerevisiae (S. Cerevisiae) and Mrakia Frigida (M. Frigida) were deactivated using alternative current dielectric barrier discharge (DBD). The deactivation was done in argon and oxygen plasma under different discharge currents. It has been found that ozone and atomic oxygen play a significant role in the deactivation of S. Cerevisiae and M. Frigida when using DBD discharge, while argon ions are less important in the deactivation of the same microorganisms in argon DBD.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 46 , Issue 3: Metamaterials , June 2009 , 31001
Copyright
© EDP Sciences, 2009

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