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Development of single particle microbeam irradiation system for radiation biology
https://repo.qst.go.jp/records/55585
https://repo.qst.go.jp/records/55585417270be-4bf7-454a-bb96-f03f28b821d4
Item type | 一般雑誌記事 / Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2008-01-08 | |||||
タイトル | ||||||
タイトル | Development of single particle microbeam irradiation system for radiation biology | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
王, 旭飛
× 王, 旭飛× 小西, 輝昭× 濱野, 毅× 安田, 仲宏× 今関, 等× 石川, 剛弘× 磯, 浩之× 酢屋, 徳啓× 湯川, 雅枝× 王 旭飛× 小西 輝昭× 濱野 毅× 安田 仲宏× 今関 等× 石川 剛弘× 磯 浩之× 酢屋 徳啓× 湯川 雅枝 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The Single Particle Irradiation to Cells (SPICE) facility has been constructed for biological cell irradiation, with the ability to deliver precisely defined numbers of ions to a small region within the area of an individual living cell. SPICE is able to provide 3.4 MeV proton and 5.1 MeV alpha particle microbeams using a mono-bloc triplet quadrupole lens (Q lens), located just prior to beam exit. We are currently adopting a scintillation counter that detects ions after passing through a biological cell, and a pair of electrostatic beam deflecting plates to realize single-ion irradiation, and a high speed (100 mum / 20 msec) stage as target mover. The output signal of the counter is fed to a computer-based scaler, and then a high voltage is applied for the deflecting plates to deflect the beam, once a defined number of protons has detected. The dosage precision of the single particle irradiation system has been tested for 3.4 MeV protons using a thin CR-39 detector. The statistics of the etched pits number on the CR-39 has demonstrated that the single-ion irradiation system is capable of quantitative irradiation with the efficiency (the probability of which the number of traversal ion is equal to the preset value) measured to be 95.1 % at high speed irradiation (50 positioning / sec). | |||||
書誌情報 |
放射線医学総合研究所技術報告書 巻 2007, 号 NIRS-M-205, p. 8-13, 発行日 2007-10 |