Two-dimensional concentration distribution of reactive oxygen species transported through a tissue phantom by atmospheric-pressure plasma-jet irradiation

Toshiyuki Kawasaki, Akihiro Sato, Shota Kusumegi, Akihiro Kudo, Tomohiro Sakanoshita, Takuya Tsurumaru, Giichiro Uchida, Kazunori Koga, Masaharu Shiratani

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The two-dimensional concentration distribution of reactive oxygen species (ROSs) transported through an agarose-film tissue phantom by atmospheric-pressure plasma-jet irradiation is visualized using a KI-starch gel reagent. Oxygen addition to helium enhances ROS transportation through the film. A radial ROS distribution pattern at the plasma-irradiated film surface changes into a doughnut-shaped pattern after passing through the film. The ROS transportation speed is 0.14-0.2mm/min. We suggest that there are two types of ROS transportation pathways in the plasma-irradiated film: linear and circular. The majority of ROSs are transported through the circular pathway. ROS concentration distributions changed markedly with irradiation distance. Diffusive ROS transportation due to a concentration gradient is negligible in plasma-irradiated films.

Original languageEnglish
Article number076202
JournalApplied Physics Express
Volume9
Issue number7
DOIs
Publication statusPublished - Jul 1 2016

Fingerprint

Plasma jets
plasma jets
Atmospheric pressure
atmospheric pressure
Irradiation
Tissue
irradiation
Oxygen
oxygen
Plasmas
starches
distribution (property)
Starch
Helium
reagents
Gels
helium
gels
gradients

All Science Journal Classification (ASJC) codes

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

Cite this

Two-dimensional concentration distribution of reactive oxygen species transported through a tissue phantom by atmospheric-pressure plasma-jet irradiation. / Kawasaki, Toshiyuki; Sato, Akihiro; Kusumegi, Shota; Kudo, Akihiro; Sakanoshita, Tomohiro; Tsurumaru, Takuya; Uchida, Giichiro; Koga, Kazunori; Shiratani, Masaharu.

In: Applied Physics Express, Vol. 9, No. 7, 076202, 01.07.2016.

Research output: Contribution to journalArticle

Kawasaki, Toshiyuki ; Sato, Akihiro ; Kusumegi, Shota ; Kudo, Akihiro ; Sakanoshita, Tomohiro ; Tsurumaru, Takuya ; Uchida, Giichiro ; Koga, Kazunori ; Shiratani, Masaharu. / Two-dimensional concentration distribution of reactive oxygen species transported through a tissue phantom by atmospheric-pressure plasma-jet irradiation. In: Applied Physics Express. 2016 ; Vol. 9, No. 7.
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