Inactivation characteristics of bacillus thuringiensis spore in liquid using atmospheric torch plasma using oxygen

Nobuya Hayashi; Yusuke Akiyoshi; Yasuyo Kobayashi; Kouzo Kanda; Kazusato Ohshima; Masaaki Goto

doi:10.1016/j.vacuum.2012.03.023

Inactivation characteristics of bacillus thuringiensis spore in liquid using atmospheric torch plasma using oxygen

Nobuya Hayashi, Yusuke Akiyoshi, Yasuyo Kobayashi, Kouzo Kanda, Kazusato Ohshima, Masaaki Goto

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

The atmospheric plasma torch produced by a barrier discharge using air and oxygen as working gases is adopted to inactivate microorganisms in a liquid. The inactivation characteristics of bacillus spore are investigated and compared with the heat sterilization method, and sterilization factors are active species with short-lifetimes produced in water. The population of Bacillus thuringiensis spore in pure water decreases 10 ^-3 times within 20 min, and the obtained result is equivalent to the heat sterilization of 95 C.

Original language	English
Pages (from-to)	173-176
Number of pages	4
Journal	Vacuum
Volume	88
Issue number	1
DOIs	https://doi.org/10.1016/j.vacuum.2012.03.023
Publication status	Published - 2013

All Science Journal Classification (ASJC) codes

Instrumentation
Condensed Matter Physics
Surfaces, Coatings and Films

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abstract = "The atmospheric plasma torch produced by a barrier discharge using air and oxygen as working gases is adopted to inactivate microorganisms in a liquid. The inactivation characteristics of bacillus spore are investigated and compared with the heat sterilization method, and sterilization factors are active species with short-lifetimes produced in water. The population of Bacillus thuringiensis spore in pure water decreases 10 -3 times within 20 min, and the obtained result is equivalent to the heat sterilization of 95 C.",

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AU - Hayashi, Nobuya

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AU - Kanda, Kouzo

AU - Ohshima, Kazusato

AU - Goto, Masaaki

PY - 2013

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AB - The atmospheric plasma torch produced by a barrier discharge using air and oxygen as working gases is adopted to inactivate microorganisms in a liquid. The inactivation characteristics of bacillus spore are investigated and compared with the heat sterilization method, and sterilization factors are active species with short-lifetimes produced in water. The population of Bacillus thuringiensis spore in pure water decreases 10 -3 times within 20 min, and the obtained result is equivalent to the heat sterilization of 95 C.

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