Study on Inactivation Mechanism of an Atmospheric DBD Plasma Jet using Escherichia coli Mutants
-
- Li Jia
- Department of Energy Sciences, Tokyo Institute of Technology
-
- Sakai Natsuko
- Department of Energy Sciences, Tokyo Institute of Technology
-
- Watanabe Masato
- Department of Energy Sciences, Tokyo Institute of Technology
-
- Hotta Eiki
- Department of Energy Sciences, Tokyo Institute of Technology
-
- Wachi Masaaki
- Department of Bioengineering, Tokyo Institute of Technology
書誌事項
- タイトル別名
-
- Study on Inactivation Mechanism of an Atmospheric DBD Plasma Jet using <i>Escherichia coli</i> Mutants
この論文をさがす
抄録
Inactivation mechanism was investigated using biological method in an atmospheric pressure plasma jet with a plane-to-plane DBD structure. This plasma jet, fed by helium/oxygen gas, was operated by a sub-microsecond pulsed voltage with a repetition rate of 1-10kHz range. The electrical property of the discharge was studied by means of a classical DBD model. The optical property was analyzed by spectroscopy. Escherichia coli K-12 strains, MG1655, BW25113 and CSH26 with their mutants, totally 8 kinds of bacteria, were employed to separate various bactericidal plasma agents. Results showed that oxidative stress and charged species are playing the most significant roles in inactivation process, which was also verified by the indirect inactivation experiments with mesh insertion. Rather than the superoxide O2-, neutral reactive oxygen species like O3 and metastable state O2* were identified as dominant sources for oxidative stress.
収録刊行物
-
- 電気学会論文誌. A
-
電気学会論文誌. A 133 (4), 192-197, 2013
一般社団法人 電気学会
- Tweet
詳細情報 詳細情報について
-
- CRID
- 1390282679577331072
-
- NII論文ID
- 10031161242
-
- NII書誌ID
- AN10136312
-
- ISSN
- 13475533
- 03854205
-
- NDL書誌ID
- 024660123
-
- 本文言語コード
- en
-
- データソース種別
-
- JaLC
- NDL
- Crossref
- CiNii Articles
-
- 抄録ライセンスフラグ
- 使用不可