Sterilization of dielectric containers using a fore-vacuum pressure plasma-cathode electron source

D. Zolotukhin, V. Burdovitsini, E. Oks, A. Tyunkov, Yu Yushkov

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We describe our work on sterilization of 10 ml glass and 60 ml plastic cylindrical containers using a fore-vacuum pressure, plasma-cathode, electron beam source. Beam plasma is formed inside the vessel by injection of a low-energy electron beam at 3 - 6 keV energy and current of 50 mA, at a working gas (air) pressure of 8 Pa. The gas composition was tracked by a quadrupole gas analyzer type RGA-100. As a test biological object for sterilization we used E. coli ATCC 25922 bacteria, the inner surface of each vessel was inoculated with a bacterial suspension. We find a smooth dependence of the degree of sterilization on the total energy density injected into the vessel. The efficacy of sterilization of container inner surfaces using a fore-vacuum pressure, plasma-cathode e-beam source of relatively low energy (a few keV) electrons is thus demonstrated.

Original languageEnglish
Article number012044
JournalJournal of Physics: Conference Series
Volume652
Issue number1
DOIs
Publication statusPublished - 5 Nov 2015

Fingerprint

plasma pressure
electron sources
containers
cathodes
vessels
vacuum
electron beams
gas composition
gases
bacteria
energy
analyzers
plastics
flux density
quadrupoles
injection
glass
air
electrons

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Sterilization of dielectric containers using a fore-vacuum pressure plasma-cathode electron source. / Zolotukhin, D.; Burdovitsini, V.; Oks, E.; Tyunkov, A.; Yushkov, Yu.

In: Journal of Physics: Conference Series, Vol. 652, No. 1, 012044, 05.11.2015.

Research output: Contribution to journalArticle

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