Volume 14, Issue 4-5 1600113
Full Paper

Chemical Kinetics and Reactive Species in Normal Saline Activated by a Surface Air Discharge

Zhi Chao Liu

Zhi Chao Liu

State Key Lab of Electrical Insulation and Power Equipment, Center for Plasma Biomedicine, Xi'an Jiaotong University, Shaanxi, P R China

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Li Guo

Li Guo

State Key Lab of Electrical Insulation and Power Equipment, Center for Plasma Biomedicine, Xi'an Jiaotong University, Shaanxi, P R China

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Ding Xin Liu

Corresponding Author

Ding Xin Liu

State Key Lab of Electrical Insulation and Power Equipment, Center for Plasma Biomedicine, Xi'an Jiaotong University, Shaanxi, P R China

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Ming Zhe Rong

Ming Zhe Rong

State Key Lab of Electrical Insulation and Power Equipment, Center for Plasma Biomedicine, Xi'an Jiaotong University, Shaanxi, P R China

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Hai Lan Chen

Hai Lan Chen

Frank Reidy Center for Bioelectrics, Old Dominion University, Norfolk, Virginia, 23508 USA

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Michael G. Kong

Corresponding Author

Michael G. Kong

State Key Lab of Electrical Insulation and Power Equipment, Center for Plasma Biomedicine, Xi'an Jiaotong University, Shaanxi, P R China

Frank Reidy Center for Bioelectrics, Old Dominion University, Norfolk, Virginia, 23508 USA

Department of Electrical and Computer Engineering, Old Dominion University, Norfolk, Virginia, 23529 USA

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First published: 05 October 2016
Citations: 55

Abstract

Normal saline is a common biological solution which provides much better living environment for Staphylococcus aureus than deionized water, but the plasma-activated normal saline is found to have a stronger bactericidal effect than the plasma-activated deionized water. A model is developed for the explanation, from which various kinds of reactive chlorine/oxy-chlorine species (RCS), such as HClO, are found to be generated in the plasma-activated normal saline. The production pathways of RCS are elucidated, in which O3 plays as an important intermediate species. Compared to the plasma-activated deionized water, the concentrations of reactive oxygen/nitrogen species are lower, but the bactericidal effect is higher, implying that the RCS play a crucial role for the sterilization.ppap201600113-gra-0001

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