| Project/Area Number |
24510067
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Risk sciences of radiation/Chemicals
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| Research Institution | Niigata University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
KANO Naoki 新潟大学, 自然科学系, 准教授 (00272875)
狩野 直樹 新潟大学, 自然科学系, 准教授 (00272857)
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| Co-Investigator(Renkei-kenkyūsha) |
SAITO Masaaki 地方独立行政法人東京都立産業技術研究センター, 主任研究員 (90463083)
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2012: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
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| Keywords | トリチウム / 有機結合型トリチウム / 自由水型トリチウム / 被曝線量 / 放射線加重係数 / 水素同位体交換反応 / 移行係数 / T-for-H交換反応 / 疑似地下浸透水 / 降水 / 短期降水 / 速度論的反応解析 / 速度定数 / 実態分析 / トリチウム動態 |
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| Outline of Final Research Achievements |
In order to construct the estimation method for the effect of tritium (T) derived from nuclear power plants on the human body, the hydrogen isotope exchange reaction (the T-for-H exchange reaction) between each amino acid (or each organic compound) and HTO was observed at several temperatures and several prescribed times. Moreover, after the accident of Fukushima Daiichi Nuclear Plants, some waters in lakes around Fukushima prefecture and Niigata city were analyzed.
As the results, T in HTO was incorporated into human body as Organic Bonded T etc. It is found that considering the T-for-H exchange reaction, the effect of the exchange reaction to human body is slightly larger than the result obtained from the current method, and that the estimation method in this work is useful to calculate the Radiation Weighting Coefficient. It is also found that the effects of the accident on Niigata city is so small.
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