| Project/Area Number |
15K00544
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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 and chemicals
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| Research Institution | Ibaraki Prefectural University of Health Science |
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Principal Investigator |
Sato Hitoshi 茨城県立医療大学, 保健医療学部, 教授 (90285057)
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| Co-Investigator(Kenkyū-buntansha) |
五反田 留見 茨城県立医療大学, 保健医療学部, 助教 (70542281)
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| Research Collaborator |
GOTANDA Rumi 川崎医療福祉大学, 医療技術学部, 助教
NAKAJIMA Erika 茨城県立医療大学, 保健医療学部, 助教
ENDO Satoru 広島大学, 工学研究科, 教授
HOSHI Masaharu 広島大学, 平和科学研究センター, 名誉教授
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2015: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
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| Keywords | chamber / thrmal neutron / epithermal neutron / BNCT / dose monitoring / neutron / 線量モニタ / 電離箱 / 熱外中性子 / 熱外中性子線 |
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| Outline of Final Research Achievements |
Boron neutron capture therapy (BNCT) is an effective radiotherapy method to intractable cancers, such as the head and cervical region.It is important to verify temporal change of the percentage depth dose measured previously at the neutron ray irradiation field using the accelerator with which development is furthered in recent years.The radiation irradiation field in accelerator BNCT is a radiation mixture field of gamma rays ,fast neutrons , epithermal and thermal neutrons.Further ,accelerator-based neutrons are less stable compared with neutrons from nuclear reactors.Therefore, it is required to separate and measure the tissue absorbed dose of each radiation source, and to evaluate the quality of a radiation mixture field.
In this study, the ionization chamber for epithermal neutron monitoring with high precision was developed and the monitor system for the radiation irradiation field in accelerator BNCT was constructed.
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