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http://dx.doi.org/10.15269/JKSOEH.2019.29.3.414

Effect of Non-thermal Dielectric Barrier Discharge Plasma by Air Volume against Mycobacterium Tuberculosis  

Son, Eun-Soon (Instrnational Tuberculosis Research Center)
Kim, Yonghee (Institute of Air Science, Shinyoung Airtech)
Paik, Namwon (Institute of Air Science, Shinyoung Airtech)
Lee, Ilyong (Institute of Air Science, Shinyoung Airtech)
Kim, Eunhwa (Institute of Air Science, Shinyoung Airtech)
Park, Hae-Ryoung (School of Bioconvergence, Kyungnam University)
Lee, Jongseok (Instrnational Tuberculosis Research Center)
Publication Information
Journal of Korean Society of Occupational and Environmental Hygiene / v.29, no.3, 2019 , pp. 414-419 More about this Journal
Abstract
Objectives: The objective of this study was to evaluate the inhibitory effect of non-thermal dielectric barrier discharge (DBD) plasma by air volume against Mycobacterium tuberculosis (MTB). Methods: Plasma generators (TB-300, Shinyoung Airtec, Seongnam-si, Korea) were operated in a 2A type biosafety cabinet. The plasma generator was set to a wind flow rate of 14 ($80m^3/h$), 18 ($110m^3/h$), and 22 ($150m^3/h$), and exposure times were set to 0 hours, 3 hours, 6 hours, 9 hours, and 24 hours. Results: The inhibitory effects of plasma at air volume 14 with prolonged exposure time of three hours was 20%, 64% at six hours, 82.3% at nine hours, and 100% after 24 hours exposure. With air volume of 18, the inhibitory effects upon plasma exposure were 36% for three hours, and 100% from 24 hours. Greater air volume resulted in greater inhibition of tuberculosis bacterial growth. In particular, the maximum inhibitory effect (100%) was shown in air volume of 22 ($150m^3/h$) after three hours of plasma exposure. Conclusions: The results showed the correlating inhibitory effects of plasma on the growth of MTB in combination with increasing plasma exposure time and air volume.
Keywords
Mycobacterium tuberculosis; plasma; Non-thermal dielectric barrier discharge;
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Times Cited By KSCI : 2  (Citation Analysis)
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