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Feasibility Studies on Inactivation of Staphylococcus aureus with a High Voltage DCDC Atmospheric Plasma Source
- Authors
- Choi, HG; Kim, Sang-You; Bae, Min Keun; Kang, In Je; Hong, Suk-Ho; Lho, Taewoo; Choi, Y. -S.; Chung, Ki-Seok
- Issue Date
- Nov-2017
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- Inactivation of Bacteria; Atmospheric Pressure Air Plasma; Smart Device Power Supply; Portable Plasma Source
- Citation
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.17, no.11, pp.8446 - 8449
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
- Volume
- 17
- Number
- 11
- Start Page
- 8446
- End Page
- 8449
- ISSN
- 1533-4880
- Abstract
- Inactivation of pathogenic bacteria, Staphylococcus aureus by a high voltage DCDC atmospheric pressure air plasma (APAP) generated by a AC adapter of smart devices such as mobiles and tablets has been performed. 4 kV DC is developed from 5VDC-2A by a high voltage (HV) DCDC converter to be utilize for generation of an arc discharge. This is applied to a coaxial pin with a nozzle configuration, which leads to generate a small APAP. Fourier transform infrared (FT-IR) analysis shows little generation of ozone (O-3) due to conversion of O-3 in high temperature arc discharge region. Current and voltage characteristics, and optical diagnostics are to be detailed along with inactivation test of bacteria. This non-jet air plasma weakly inactivates Staphylococcus aureus.
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