Feasibility study of the sterilization of pork and human skin surfaces by atmospheric pressure plasmas

Atmospheric pressure radio frequency (rf) glow discharge characteristics were studied aiming for the plasma treatment of living tissues such as pork and human skin. Electrical and optical measurements of the plasma gave reasonable values at low current of 4 mA and gas temperature of 60 °C at 100 W....

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Bibliographic Details
Published in:Thin solid films 2009-05, Vol.517 (14), p.4272-4275
Main Authors: Moon, Se Youn, Kim, D.B., Gweon, B., Choe, W., Song, H.P., Jo, Cheorun
Format: Article
Language:English
Subjects:
Activation energy
Al 2O 3 films
Catalytic CVD
Catalyzers
Electric discharges
Escherichia coli
Exact sciences and technology
Glow
corona
HW-CVD
Oxide films
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma applications
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Summary:Atmospheric pressure radio frequency (rf) glow discharge characteristics were studied aiming for the plasma treatment of living tissues such as pork and human skin. Electrical and optical measurements of the plasma gave reasonable values at low current of 4 mA and gas temperature of 60 °C at 100 W. The colorimetric measurement of the treated pork sample demonstrated negligible thermal effect from the plasma. In addition, the sterilization efficiency of Escherichia coli inoculated on pork surface was comparable with that of a conventional UV sterilizer. The experimental results promise that the atmospheric pressure rf plasma can be safely applied to human skin treatment without electrical and thermal damage.
ISSN:0040-6090
1879-2731
DOI:10.1016/j.tsf.2009.02.018