Controlling feeding gas temperature of plasma jet with Peltier device for experiments with fission yeast

Shinji Yoshimura, Mitsutoshi Aramaki, Yoko Otsubo, Akira Yamashita, Kazunori Koga

Research output: Contribution to journalArticle

Abstract

The suitable temperature condition for fission yeast growth is around 30 °C, whereas the gas temperature of commonly used atmospheric-pressure helium plasma jets tends to increase with discharge time. To avoid the damage of fission yeast from heat, a Peltier device was used to control the feeding gas temperature of low-frequency helium plasma jet. The temperature of a thermistor directly irradiated by the plasma jet plume remained almost constant at the acceptable temperature to fission yeast for more than 200 s. The morphology of fission yeast cells exposed to the gaserature-controlled plasma jet plume was examined. Some of the cells in the proximal of the plasma irradiation point showed elongated shape, which is not seen in wild-type fission yeast cells under normal conditions.

Original languageEnglish
Article numberSEEG03
JournalJapanese Journal of Applied Physics
Volume58
Issue numberSE
DOIs
Publication statusPublished - Jan 1 2019

Fingerprint

Plasma jets
yeast
gas temperature
Yeast
plasma jets
fission
helium plasma
Gases
Experiments
plumes
Helium
Temperature
Cells
Thermistors
thermistors
Atmospheric pressure
temperature
atmospheric pressure
Irradiation
low frequencies

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Controlling feeding gas temperature of plasma jet with Peltier device for experiments with fission yeast. / Yoshimura, Shinji; Aramaki, Mitsutoshi; Otsubo, Yoko; Yamashita, Akira; Koga, Kazunori.

In: Japanese Journal of Applied Physics, Vol. 58, No. SE, SEEG03, 01.01.2019.

Research output: Contribution to journalArticle

Yoshimura, Shinji ; Aramaki, Mitsutoshi ; Otsubo, Yoko ; Yamashita, Akira ; Koga, Kazunori. / Controlling feeding gas temperature of plasma jet with Peltier device for experiments with fission yeast. In: Japanese Journal of Applied Physics. 2019 ; Vol. 58, No. SE.
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