| Project/Area Number |
15K15209
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Medical Physics and Radiological Technology
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| Research Institution | Nagoya University |
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Principal Investigator |
IIJIMA Toru 名古屋大学, 現象解析研究センター, 教授 (80270396)
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| Research Collaborator |
KOBAYASHI Kazuho 名古屋大学, 大学院理学研究科, 大学院生
KRIZAN Peter 名古屋大学, 現象解析研究センター, 客員教授
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| Project Period (FY) |
2015-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Keywords | 放射線検出器 / TOF-PET / 半導体光検出器 |
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| Outline of Final Research Achievements |
TOF-PET(Positron Emission Tomography) is one of the most advanced medical imaging technology. which utilizes the TOF( Tme-Of-Fligh) difference between the two annihilation gamma's to reconstruct images with improved signal-to-noise ratio. We have studied possibility to improve the TOF-PET performance using a Cherenkov radiator instead of a scintillator to detect gamma's, as application of technology developed for recent particle physics experiments. We have demonstrated that Cherenkov-based TOF-PET provides TOF resolution of about 120ps, a few times better compared to that reported for a scintillator-based TOF-PET. Our research shows that it is possible to develop high performance TOF-PET with relatively low cost, also by using a semiconductor photodetector device with improved photo detection efficiency and improved time resolution.
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