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

被引：53

作者：

Kawasaki, Toshiyuki ^{[1
]}

Sato, Akihiro ^{[1
]}

Kusumegi, Shota ^{[1
]}

Kudo, Akihiro ^{[1
]}

Sakanoshita, Tomohiro ^{[1
]}

Tsurumaru, Takuya ^{[1
]}

Uchida, Giichiro ^{[2
]}

Koga, Kazunori ^{[3
]}

Shiratani, Masaharu ^{[3
]}

机构：

[1] Nippon Bunri Univ, Dept Mech & Elect Engn, Oita 8700397, Japan

[2] Osaka Univ, Joining & Welding Res Inst, Ibaraki, Osaka 5670047, Japan

[3] Kyushu Univ, Grad Sch Informat Sci & Elect Engn, Fukuoka 8190395, Japan

来源：

APPLIED PHYSICS EXPRESS | 2016年 / 9卷 / 07期

基金：

日本学术振兴会;

关键词：

MEDICINE;

D O I：

10.7567/APEX.9.076202

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

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. (C) 2016 The Japan Society of Applied Physics

引用

页数：4

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