Transportation of reactive oxygen species in a tissue phantom after plasma irradiation

Toshiyuki Kawasaki; Gouya Kuroeda; Ryuhei Sei; Masaaki Yamaguchi; Reishi Yoshinaga; Riho Yamashita; Hikaru Tasaki; Kazunori Koga; Masaharu Shiratani

doi:10.7567/JJAP.57.01AG01

Transportation of reactive oxygen species in a tissue phantom after plasma irradiation

Toshiyuki Kawasaki, Gouya Kuroeda, Ryuhei Sei, Masaaki Yamaguchi, Reishi Yoshinaga, Riho Yamashita, Hikaru Tasaki, Kazunori Koga, Masaharu Shiratani

Electronic Devices

Research output: Contribution to journal › Article › peer-review

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Abstract

The transportation of reactive oxygen species (ROSs) in a tissue phantom after plasma irradiation was studied using a two-layered target consisting of a KI-starch gel reagent and an agarose tissue phantom. The two-layered target can visualize the two-dimensional concentration distribution of ROSs after passing through the tissue phantom. ROSs were accumulated in the tissue phantom by the plasma irradiation, and they continued to be transported in the depth direction with the standing time after the plasma irradiation. The amount of ROS after passing through the tissue phantom increased in proportion to both plasma irradiation time and standing time. In this case, the ROS distribution patterns did not depend on these times. The ROS transportation speed after plasma irradiation was 0.05 mm/min in the tissue phantom. The ROS penetration rate depended on the standing time, not on the plasma irradiation time, and it was less than 1%.

Original language	English
Article number	01AG01
Journal	Japanese Journal of Applied Physics
Volume	57
Issue number	1
DOIs	https://doi.org/10.7567/JJAP.57.01AG01
Publication status	Published - Jan 1 2018

All Science Journal Classification (ASJC) codes

Engineering(all)
Physics and Astronomy(all)

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Transportation of reactive oxygen species in a tissue phantom after plasma irradiation. / Kawasaki, Toshiyuki; Kuroeda, Gouya; Sei, Ryuhei; Yamaguchi, Masaaki; Yoshinaga, Reishi; Yamashita, Riho; Tasaki, Hikaru; Koga, Kazunori ; Shiratani, Masaharu.

In: Japanese Journal of Applied Physics, Vol. 57, No. 1, 01AG01, 01.01.2018.

Research output: Contribution to journal › Article › peer-review

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abstract = "The transportation of reactive oxygen species (ROSs) in a tissue phantom after plasma irradiation was studied using a two-layered target consisting of a KI-starch gel reagent and an agarose tissue phantom. The two-layered target can visualize the two-dimensional concentration distribution of ROSs after passing through the tissue phantom. ROSs were accumulated in the tissue phantom by the plasma irradiation, and they continued to be transported in the depth direction with the standing time after the plasma irradiation. The amount of ROS after passing through the tissue phantom increased in proportion to both plasma irradiation time and standing time. In this case, the ROS distribution patterns did not depend on these times. The ROS transportation speed after plasma irradiation was 0.05 mm/min in the tissue phantom. The ROS penetration rate depended on the standing time, not on the plasma irradiation time, and it was less than 1%.",

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AU - Tasaki, Hikaru

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AU - Shiratani, Masaharu

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