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Biological characteristics of carbon-ion therapy
https://repo.qst.go.jp/records/46152
https://repo.qst.go.jp/records/46152fc45a158-dd98-49c4-81c2-1748df59e719
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2011-07-26 | |||||
タイトル | ||||||
タイトル | Biological characteristics of carbon-ion therapy | |||||
言語 | ||||||
言語 | eng | |||||
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 | journal 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 |
Ando, Koichi
× Ando, Koichi× Kase, Yuuki× 安藤 興一× 加瀬 優紀 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Purpose: Radiotherapy using charged and/or high-linear energy transfer (LET) particles has a long history, starting with proton beams up to now carbon-ions. Radiation quality of particle beams is different from conventional photons, and therefore the biological effects of high-LET irradiation have attracted scientific interests of many scientists in basic and clinical fields. A brief history of particle radiotherapy in the past half-century is followed by the reviewed biological effectiveness of high-LET charged particles. Results: The latter includes 54 papers presenting 506 RBE (relative biological effectiveness) values for carbon ions and a total of 290 RBE values for other ions identified from 48 papers. By setting a selection window of LET up to 100 keV/mm, we fitted a linear regression line to an LET-RBE relation. The resulting slope of the regression line had a dimension of mm/keV, and showed different steepness for different cells/tissues and endpoints as well. The steepest regression was found for chromosome aberration of human malignant melanoma while the shallowest was for apoptosis of rodent cells/tissue. Both tumour and normal tissue showed relatively shallower slopes than colony formation. Conclusions: In general, there is a large variation of slope values, but the majority (25 out of 29 values) of data was smaller than 0.05 mm/keV. |
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書誌情報 |
International Journal of Radiation Biology 巻 85, 号 9, p. 715-728, 発行日 2009-09 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0955-3002 |