Eur. Phys. J. Appl. Phys.
Volume 46, Number 3, June 2009
|Number of page(s)||7|
|Section||Plasma, Discharges and Processes|
|Published online||17 April 2009|
Deactivation of yeast by dielectric barrier discharge
Physics Department, Faculty of Science (male), Al-Azhar University, Nasr
City, Cairo, Egypt
2 Microbiology Department, Faculty of Science (male), Al-Azhar University, Nasr City, Cairo, Egypt
3 Centre of Plasma Technology, Al-Azhar University, Nasr City, Cairo, Egypt
Corresponding author: firstname.lastname@example.org
Revised: 4 December 2008
Accepted: 4 March 2009
Published online: 17 April 2009
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.
PACS: 52.50.Dg – Plasma sources / 52.70.ds – Electric and magnetic measurements / 52.77.-j – Plasma applications
© EDP Sciences, 2009
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