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Inactivation of Escherichia coli Cells in Aqueous Solution by Atmospheric-Pressure N2, He, Air, and O2 Microplasmas.
Zhou, Renwu; Zhang, Xianhui; Bi, Zhenhua; Zong, Zichao; Niu, Jinhai; Song, Ying; Liu, Dongping; Yang, Size.
  • Zhou R; Fujian Provincial Key Laboratory for Plasma and Magnetic Resonance, Institute of Electromagnetics and Acoustics, Department of Electronic Science, School of Physics and Mechanical and Electrical Engineering, Xiamen University, Xiamen, People's Republic of China.
  • Zhang X; Fujian Provincial Key Laboratory for Plasma and Magnetic Resonance, Institute of Electromagnetics and Acoustics, Department of Electronic Science, School of Physics and Mechanical and Electrical Engineering, Xiamen University, Xiamen, People's Republic of China.
  • Bi Z; Liaoning Key Laboratory of Optoelectronic Films and Materials, School of Physics and Materials Engineering, Dalian Nationalities University, Dalian, People's Republic of China.
  • Zong Z; Liaoning Key Laboratory of Optoelectronic Films and Materials, School of Physics and Materials Engineering, Dalian Nationalities University, Dalian, People's Republic of China.
  • Niu J; Liaoning Key Laboratory of Optoelectronic Films and Materials, School of Physics and Materials Engineering, Dalian Nationalities University, Dalian, People's Republic of China.
  • Song Y; Liaoning Key Laboratory of Optoelectronic Films and Materials, School of Physics and Materials Engineering, Dalian Nationalities University, Dalian, People's Republic of China.
  • Liu D; Fujian Provincial Key Laboratory for Plasma and Magnetic Resonance, Institute of Electromagnetics and Acoustics, Department of Electronic Science, School of Physics and Mechanical and Electrical Engineering, Xiamen University, Xiamen, People's Republic of China Liaoning Key Laboratory of Optoelectro
  • Yang S; Fujian Provincial Key Laboratory for Plasma and Magnetic Resonance, Institute of Electromagnetics and Acoustics, Department of Electronic Science, School of Physics and Mechanical and Electrical Engineering, Xiamen University, Xiamen, People's Republic of China.
Appl Environ Microbiol ; 81(15): 5257-65, 2015 Aug.
Article en En | MEDLINE | ID: mdl-26025895
ABSTRACT
Atmospheric-pressure N2, He, air, and O2 microplasma arrays have been used to inactivate Escherichia coli cells suspended in aqueous solution. Measurements show that the efficiency of inactivation of E. coli cells is strongly dependent on the feed gases used, the plasma treatment time, and the discharge power. Compared to atmospheric-pressure N2 and He microplasma arrays, air and O2 microplasma arrays may be utilized to more efficiently kill E. coli cells in aqueous solution. The efficiencies of inactivation of E. coli cells in water can be well described by using the chemical reaction rate model, where reactive oxygen species play a crucial role in the inactivation process. Analysis indicates that plasma-generated reactive species can react with E. coli cells in water by direct or indirect interactions.
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Texto completo: 1 Banco de datos: MEDLINE Asunto principal: Presión Atmosférica / Escherichia coli / Viabilidad Microbiana / Gases em Plasma Idioma: En Año: 2015 Tipo del documento: Article
Texto completo
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Texto completo: 1 Banco de datos: MEDLINE Asunto principal: Presión Atmosférica / Escherichia coli / Viabilidad Microbiana / Gases em Plasma Idioma: En Año: 2015 Tipo del documento: Article