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Non-thermal atmospheric pressure plasma has been demonstrated to inactivate a wide range of surface-dwelling pathogenic microorganisms including airborne viral particles, vegetative bacteria and bacterial spores. This shows the promise of plasma-based decontamination procedures for broad-spectrum sterilization and disinfection and promotes the in-depth and systematic study of how plasma treatment...
The application of non-thermal plasmas for surface sterilization is of particular interest due to the increase of secondary infections in hospitals by drug resistant strains of bacteria. Traditional sterilization methods are often too harsh for sensitive equipment and surfaces, and non-equilibrium plasma has been investigated as an alternative. This work details the development and improved efficacy...
A single-electrode, 5 millimeter long, 500 micrometer-in width, helium plasma jet was generated in ambient atmosphere when the electrode was excited with 5 ns, 8 kV pulses at 500 Hz. Optical emission spectroscopy (OES) showed that the production of excited atomic oxygen increased by a factor of 2 for the 5 ns pulsed plasma jet when compared with that for a 164 ns pulsed plasma jet operating at the...
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