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トリチウムの生物効果と今後の研究展望
https://doi.org/10.15099/00006430
https://doi.org/10.15099/00006430e7cc7663-e38a-4c5c-91bb-fc50e88ddb03
名前 / ファイル | ライセンス | アクション |
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annual_report17-2.pdf (780.6 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2007-10-03 | |||||
タイトル | ||||||
タイトル | トリチウムの生物効果と今後の研究展望 | |||||
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 | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15099/00006430 | |||||
ID登録タイプ | JaLC | |||||
著者 |
小松, 賢志
× 小松, 賢志 |
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著者別名 | ||||||
姓名 | Komatsu, Kenshi | |||||
その他(別言語等)のタイトル | ||||||
その他のタイトル | Tritium Biological Effects and Perspective of the Biological Study | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Since tritium is an emitter of weak β-ray (5.7keV) and is able to bind to DNA, i.e., the most important genome component, the biological effects should be expected to be more profound than that of X-rays and γ-rays. When carcinogenesis, genetic effects and the detriments for fetus and embryo were used as a biological endpoint, most of tritium RBE (relative biological effectiveness) ranged from 1 to 2. The tritium risk is man could be calculated from these RBEs andγ-ray risk from human exposure, which are obtained mainly from the data on Atomic Bomb survivors. However, the exposure modality from environmental tritium should be a chronic irradiation with ultra low dose rate or a fractionated irradiation. We must estimate the tritium effect in man based on biological experiments alone, due to lack of such epidemiological data. Low dose rate experiment should be always accompanied by the statistical problem of data, since their biological effects are fairy low, and they should involve a possible repair system, such as adaptive response (or hormesis effect) and “Kada effect” observed in bacteria. Here we discuss future works for the tritium assessment in man, such as (1) developing a high radiation sensitive assay system with rodent hybrid cells containing a single human chromosome and also (2) study on mammal DNA repair at molecular levels using a radiosensitive disease, Nijmegen Breakage Syndrome. | |||||
書誌情報 |
富山大学水素同位体機能研究センター研究報告 巻 17, p. 13-25, 発行日 1997 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0916-8486 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10443060 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | 富山大学水素同位体機能研究センター | |||||
資源タイプ(DSpace) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article |