Reprint of: Sterilization of small vial using electron cyclotron resonance plasma

Tatsuya Nishikawa, Norihito Abe, Akira Yonesu, Nobuya Hayashi

Research output: Contribution to journalArticle

Abstract

The sterilization of a small vial using electron cyclotron resonance (ECR) plasma was investigated. The ECR plasma was generated throughout the inside of the small vial, which was sealed with nonwoven fabric, by using magnetic configuration in which the ECR point was located inside the small vial. Moreover, it was demonstrated that the temperature of the small vial was finely controlled by the pulse width and pulse frequency of the pulsed microwave power. A biological indicator (BI), Geobacillus Stearothermophilus, containing 1 × 105 spores present inside the small vial was successfully inactivated in a total treatment time of about 14 min while maintaining treatment temperature of less than 65 °C.

Original languageEnglish
Pages (from-to)586-590
Number of pages5
JournalVacuum
Volume167
DOIs
Publication statusPublished - Sep 1 2019

Fingerprint

Electron cyclotron resonance
electron cyclotron resonance
Plasmas
stearothermophilus
spores
Nonwoven fabrics
pulse duration
Microwaves
microwaves
Temperature
temperature
configurations
pulses

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films

Cite this

Reprint of : Sterilization of small vial using electron cyclotron resonance plasma. / Nishikawa, Tatsuya; Abe, Norihito; Yonesu, Akira; Hayashi, Nobuya.

In: Vacuum, Vol. 167, 01.09.2019, p. 586-590.

Research output: Contribution to journalArticle

Nishikawa, Tatsuya ; Abe, Norihito ; Yonesu, Akira ; Hayashi, Nobuya. / Reprint of : Sterilization of small vial using electron cyclotron resonance plasma. In: Vacuum. 2019 ; Vol. 167. pp. 586-590.
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