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

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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.

Original languageEnglish
Article number5934435
Pages (from-to)2346-2347
Number of pages2
JournalIEEE transactions on plasma science
Issue number11
Publication statusPublished - Nov 2011


  • Atmospheric-pressure plasmas
  • biological interaction
  • plasma devices

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