Atmospheric Pressure Plasma Generation System Based on Pulsed Volume Discharge for the Biological Decontamination of a Surface


  • A. V. Ponomarev Ural Branch of the Russian Academy of Sciences, Institute of Electrophysics, Amundsen Str. 106, Ekaterinburg
  • A. V. Spyrina Ural Branch of the Russian Academy of Sciences, Institute of Electrophysics, Amundsen Str. 106, Ekaterinburg
  • Y. I. Mamontov Ural Branch of the Russian Academy of Sciences, Institute of Electrophysics, Amundsen Str. 106, Ekaterinburg
  • V. N. Volkhina Ural State Medical University, Repina str. 3, Ekaterinburg
  • T. V. Zakirov Ural State Medical University, Repina str. 3, Ekaterinburg
  • E. S. Ioshchenko Ural State Medical University, Repina str. 3, Ekaterinburg



pulsed volume discharge, corona discharge, damping oscillations pulse generator, optical emission spectrum, bio-decontamination


The research introduces a system for pulsed volume discharges ignition at atmospheric pressure within gaps reaching 125 mm. The corona discharge is used for the volume discharge initiation. A damping oscillations pulse generator is used as a high-voltage power supply. The pulse repetition rate reaches 1 kHz, while the rate of damping high-frequency harmonic oscillations can reach megahertz units. The volume discharge electric and spectral characteristics were analyzed. The study revealed that O2+ emission spectrum dominates in the UV region. The potential of using pulsed volume discharge for cleaning biological surfaces was demonstrated in the research. The survival rate for E. coli under the influence of 15 seconds long pulsed volume discharge has decreased by 30 times.


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