Nitric Oxide Generation with an Air Operated Non-Thermal Plasma Jet and Associated Microbial Inactivation Mechanisms

被引：65

作者：

Hao, Xiaolong ^{[1
]}

Mattson, Amber M. ^{[2
]}

Edelblute, Chelsea M. ^{[2
]}

Malik, Muhammad A. ^{[2
]}

Heller, Loree C. ^{[2
]}

Kolb, Juergen F. ^{[3
]}

机构：

[1] Jiangnan Univ, Sch Environm & Civil Engn, Wuxi 214122, Peoples R China

[2] Old Dominion Univ, Frank Reidy Res Ctr Bioelect, Norfolk, VA 23508 USA

[3] INP Greifswald eV, Leibniz Inst Plasma Sci & Technol, D-17489 Greifswald, Germany

来源：

PLASMA PROCESSES AND POLYMERS | 2014年 / 11卷 / 11期

基金：

中国国家自然科学基金;

关键词：

atmospheric-pressure plasma jet; non-thermal plasma; plasma chemistry; ATMOSPHERIC-PRESSURE PLASMA; ARGON PLASMA; DISCHARGE; STERILIZATION; BACTERIA; PEROXYNITRITE; DEACTIVATION; YEAST; HEAT; NO;

D O I：

10.1002/ppap.201300187

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Chemical species that are generated by a plasma jet in a microhollow cathode discharge geometry when operated with air and a dc voltage were investigated. Nitric oxide (NO) is found as the dominant long-lived reaction product with concentrations of several hundreds of ppm. In comparison, the concentrations observed for nitric dioxide (NO2) and ozone (O-3) are negligible. The concentrations of NO are increasing with increasing electric power but decreasing with increasing flow rates. Simultaneously, NO2 concentrations are increasing slightly. The results suggest that the observed far reaching biocidal effect of the plasma jet depends on the generation of nitric oxide.

引用

页码：1044 / 1056

页数：13

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