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

机译:大气压等离子射流辐射穿过组织体模的活性氧的二维浓度分布

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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
机译:使用KI-淀粉凝胶试剂可视化通过大气压等离子体射流辐照穿过琼脂糖膜组织体模的活性氧(ROSs)的二维浓度分布。氦中除氧可增强ROS通过膜的传输。等离子体辐照后的薄膜表面的径向ROS分布图案在穿过薄膜后变为环形的图案。 ROS的输送速度为0.14-0.2mm / min。我们建议等离子辐照膜中有两种类型的ROS传输途径:线性和圆形。大部分ROS通过循环途径转运。 ROS浓度分布随着照射距离的变化而显着变化。在等离子体辐照膜中,由于浓度梯度引起的扩散性ROS传输可以忽略不计。 (C)2016年日本应用物理学会

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  • 来源
    《Applied physics express》 |2016年第7期|076202.1-076202.4|共4页
  • 作者单位

    Nippon Bunri Univ, Dept Mech & Elect Engn, Oita 8700397, Japan;

    Nippon Bunri Univ, Dept Mech & Elect Engn, Oita 8700397, Japan;

    Nippon Bunri Univ, Dept Mech & Elect Engn, Oita 8700397, Japan;

    Nippon Bunri Univ, Dept Mech & Elect Engn, Oita 8700397, Japan;

    Nippon Bunri Univ, Dept Mech & Elect Engn, Oita 8700397, Japan;

    Nippon Bunri Univ, Dept Mech & Elect Engn, Oita 8700397, Japan;

    Osaka Univ, Joining & Welding Res Inst, Ibaraki, Osaka 5670047, Japan;

    Kyushu Univ, Grad Sch Informat Sci & Elect Engn, Fukuoka 8190395, Japan;

    Kyushu Univ, Grad Sch Informat Sci & Elect Engn, Fukuoka 8190395, Japan;

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