Atmospheric pressure dielectric barrier discharges for sterilization and surface treatment
Journal Article
·
· AIP Conference Proceedings
- Plasma Technology Research Centre, Physics Department, Faculty of Science, University of Malaya, 50603 Kuala Lumpur (Malaysia)
- Microbiology Division, Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603 Kuala Lumpur (Malaysia)
Atmospheric pressure non-thermal dielectric barrier discharges can be generated in different configurations for different applications. For sterilization, a parallel-plate electrode configuration with glass dielectric that discharges in air was used. Gram-negative bacteria (Escherichia coli and Salmonella enteritidis) and Gram-positive bacteria (Bacillus cereus) were successfully inactivated using sinusoidal high voltage of ∼15 kVp-p at 8.5 kHz. In the surface treatment, a hemisphere and disc electrode arrangement that allowed a plasma jet to be extruded under controlled nitrogen gas flow (at 9.2 kHz, 20 kVp-p) was applied to enhance the wettability of PET (Mylar) film.
- OSTI ID:
- 22391512
- Journal Information:
- AIP Conference Proceedings, Vol. 1657, Issue 1; Conference: PERFIK 2014: National Physics Conference 2014, Kuala Lumpur (Malaysia), 18-19 Nov 2014; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BACILLUS CEREUS
DIELECTRIC MATERIALS
DIFFUSION BARRIERS
ELECTRIC DISCHARGES
ELECTRIC POTENTIAL
ELECTRODES
ESCHERICHIA COLI
GAS FLOW
GLASS
KHZ RANGE
MYLAR
PLASMA JETS
PLATES
SALMONELLA
STERILIZATION
SURFACE TREATMENTS
THIN FILMS
WETTABILITY
SUPERCONDUCTIVITY AND SUPERFLUIDITY
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BACILLUS CEREUS
DIELECTRIC MATERIALS
DIFFUSION BARRIERS
ELECTRIC DISCHARGES
ELECTRIC POTENTIAL
ELECTRODES
ESCHERICHIA COLI
GAS FLOW
GLASS
KHZ RANGE
MYLAR
PLASMA JETS
PLATES
SALMONELLA
STERILIZATION
SURFACE TREATMENTS
THIN FILMS
WETTABILITY