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Effects of Atmospheric Pressure Dielectric Barrier Discharge Plasma Irradiation on Yeast Growth

Published online by Cambridge University Press:  21 May 2012

Satoshi Kitazaki ,
Kazunori Koga ,
Masaharu Shiratani  and
Nobuya Hayashi
Satoshi Kitazaki
Affiliation:
Graduate School of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
Kazunori Koga
Affiliation:
Graduate School of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
Masaharu Shiratani
Affiliation:
Graduate School of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
Nobuya Hayashi
Affiliation:
Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, 6-1 Kasuga-koen, Kasuga-shi, Fukuoka 816-8580, Japan
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Abstract

We investigated effects of atmospheric pressure dielectric barrier discharge (DBD) plasma irradiation on growth characteristics of bread yeast (Saccharomyces cerevisie). Nitric oxide of 400 ppm and O3 above 200 ppm are produce by the DBD plasmas. DBD plasma irradiation of 50 and 100 s enhances the growth of yeast in the lag phase, whereas 150 s irradiation suppresses the growth. There is an optimum duration of plasma irradiation for the growth promotion.

Keywords

biomedicalchemical reactionradiation effects
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1469: Symposium WW – Plasma Processing and Diagnostics for Life Sciences , 2012 , mrss12-1469-ww06-08
Copyright
Copyright © Materials Research Society 2012

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