An Atmospheric-Pressure Low-Temperature Plasma Jet for Growth Inhibition of Escherichia Coli

被引：3

作者：

Wagenaars, Erik ^{[1
]}

van der Woude, Marjan ^{[2
,3
]}

Vann, Roddy ^{[1
]}

机构：

[1] Univ York, Dept Phys, York YO10 5DD, N Yorkshire, England

[2] Univ York, Hull York Med Sch, York YO10 5DD, N Yorkshire, England

[3] Univ York, Dept Biol, York YO10 5DD, N Yorkshire, England

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2011年 / 39卷 / 11期

基金：

英国生物技术与生命科学研究理事会; 英国工程与自然科学研究理事会;

关键词：

Atmospheric-pressure plasmas; biological interaction; plasma devices; MICROPLASMAS;

D O I：

10.1109/TPS.2011.2153881

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Time-resolved imaging of an atmospheric-pressure low-temperature plasma jet showed the development of a "plasma bullet" during the discharge cycle, moving at velocities up to 2 x 10(4) m/s. This plasma jet is applied to the bacterium Escherichia coli, and viability is assessed. The region of nonviability is circular with a diameter of about 8 mm, which is much larger than the diameter of the plasma jet (similar to 1 mm). Further investigations are needed to fully understand the plasma bullet discharge behavior and the mechanisms rendering E. coli nonviable due to exposure to the plasma jet.

引用

页码：2346 / 2347

页数：2

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