Analysis about sterilization by patterned surface discharge in air

Jai Hyuk Choi, Hong Koo Baik

Research output: Contribution to journalConference article

Abstract

Atmospheric pressure plasmas are attractive for many industrial application such as ozone generation, reduction of toxic gas and sterilization etc. So atmospheric pressure plasma can be very effective to apply to air cleaner. The aim of this paper is to evaluate sterilization results after atmospheric pressure plasma treatment in air. We made 3 types of electrode with different pattern for surface discharge. We used alumina and silver paste for dielectric and electrode material respectively, and varied thickness of these materials using screen printer. For these test, AC power supply was applied to sterilize. And in many sorts of bacteria, e-coli, Pseudomonas aeruginosa and bacillus subtillus were used for this sterilization test. For analysis of the relationship between sterilization results and chemical species generated in discharge, we used optical emission spectroscopy (OES) From these results, we concluded that our atmospheric plasma system is very effective to evaluate sterilization results.

Original languageEnglish
Article number2P52
Number of pages1
JournalIEEE International Conference on Plasma Science
Publication statusPublished - 2004 Dec 1
EventIEEE Conference Record - Abstracts: The 31st IEEE International Conference on Plasma Science, ICOPS2004 - Baltimore, MD, United States
Duration: 2004 Jun 282004 Jul 1

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Surface discharges
air
Atmospheric pressure
Plasmas
Air
atmospheric pressure
Air cleaners
cleaners
Optical emission spectroscopy
Electrodes
pseudomonas
printers
Bacillus
optical emission spectroscopy
Bacilli
electrode materials
power supplies
Ozone
bacteria
ozone

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

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abstract = "Atmospheric pressure plasmas are attractive for many industrial application such as ozone generation, reduction of toxic gas and sterilization etc. So atmospheric pressure plasma can be very effective to apply to air cleaner. The aim of this paper is to evaluate sterilization results after atmospheric pressure plasma treatment in air. We made 3 types of electrode with different pattern for surface discharge. We used alumina and silver paste for dielectric and electrode material respectively, and varied thickness of these materials using screen printer. For these test, AC power supply was applied to sterilize. And in many sorts of bacteria, e-coli, Pseudomonas aeruginosa and bacillus subtillus were used for this sterilization test. For analysis of the relationship between sterilization results and chemical species generated in discharge, we used optical emission spectroscopy (OES) From these results, we concluded that our atmospheric plasma system is very effective to evaluate sterilization results.",
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Analysis about sterilization by patterned surface discharge in air. / Choi, Jai Hyuk; Baik, Hong Koo.

In: IEEE International Conference on Plasma Science, 01.12.2004.

Research output: Contribution to journalConference article

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AU - Baik, Hong Koo

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