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Study on the development and application of three-dimensional dye gel dosimeters for radiation therapy

Research Project

Project/Area Number 17K09072
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Medical Physics and Radiological Technology
Research InstitutionHiroshima International University

Principal Investigator

Hayashi Shin-ichiro  広島国際大学, 保健医療学部, 教授 (20238108)

Co-Investigator(Kenkyū-buntansha) 高梨 宇宙  国立研究開発法人理化学研究所, 光量子工学研究センター, 研究員 (40646692)
川村 拓  国立研究開発法人理化学研究所, 創発物性科学研究センター, 客員研究員 (80424050)
Project Period (FY) 2017-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2019: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2018: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords医学物理学 / 3次元ゲル線量計 / 光学CT / 放射線治療 / ラジオクロミック / 線量分布 / 品質保証 / 品質管理 / 医学物理 / ゲル線量計 / 色素 / 三次元線量分布 / Optical CT / ポリビニルアルコール / ヨウ素 / 再利用 / 三次元ゲル線量計 / ラジオクロミックゲル線量計 / 放射線計測 / 光学的CT
Outline of Final Research Achievements

As a tool for directly evaluating the three-dimensional dose distribution in radiotherapy, we have developed a novel radiochromic gel (RG) dosimeter whose color tone changes with radiation. The RG dosimeter reported so far had practical inadequate points in terms of dose rate dependence and spatial/temporal resolution. The dosimeter that utilizes the color development by complex formation of iodine and polyvinyl alcohol developed by us in this study was able to significantly improve their characteristics. In particular, it has been shown that our system can be initialized, being used repeatedly. In addition, although optical CT is used to read the recorded dose distribution, it was found that ready-made optical CT is not sufficient. Along with that, we also performed to develop a dedicated optical CT at the same time.

Academic Significance and Societal Importance of the Research Achievements

3次元ラジオクロミックゲル(RG)線量計の開発は、これまで欧米の研究が先行していたが、我々の開発したRG線量計は既存のRG線量計とは異なる発色機構を用いており、国産のRG線量計である。また、既存のRG線量計のいくつかの欠点が改善されており、再利用可能である点も画期的である。また、光学CT装置は他の読み取り装置に比べて小型かつ安価で作製も容易なので、光学CTで線量評価可能な新規なRG線量計は、臨床での3次元ゲル線量計の実用化へも大きく前進させることができた。

Report

(6 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (86 results)

All 2022 2021 2020 2019 2018 2017 Other

All Journal Article (30 results) (of which Int'l Joint Research: 8 results,  Peer Reviewed: 25 results,  Open Access: 18 results) Presentation (51 results) (of which Int'l Joint Research: 32 results) Remarks (5 results)

  • [Journal Article] Effects of PVA-GTA-I radiochromic gel dosimeter components on optical dose-response2022

    • Author(s)
      Hayashi Shin-ichiro、Ono Kaoru、Fujino Keisuke、Kurihara Ryosuke
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 2167 Issue: 1 Pages: 012014-012014

    • DOI

      10.1088/1742-6596/2167/1/012014

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Measurement of spatial fluence distribution of neutrons and gamma rays using MAGAT-type gel detector doped with LiCl for BNCT at Kyoto University Reactor2022

    • Author(s)
      Tanaka Kenichi、Kajimoto Tsuyoshi、Mitsuyasu Aruma、Ito Yuto、Hayashi Shin-ichiro、Sakurai Yoshinori、Tanaka Hiroki、Takata Takushi、Bengua Gerard、Endo Satoru
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 2167 Issue: 1 Pages: 012006-012006

    • DOI

      10.1088/1742-6596/2167/1/012006

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Dosimetry in high-dose-rate brachytherapy with a radio-fluorogenic gel dosimeter2022

    • Author(s)
      Inoue K.、Watanabe Y.、Maeyama T.、Mizukami S.、Hayashi S.、Terazaki T.、Muraishi H.、Gomi T.、Shimono T.
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 2167 Issue: 1 Pages: 012032-012032

    • DOI

      10.1088/1742-6596/2167/1/012032

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Three-dimensional Winston?Lutz test using reusable polyvinyl alcohol-iodide (PVA-I) radiochromic gel dosimeter2021

    • Author(s)
      Ono Kaoru、Fujino Keisuke、Kurihara Ryosuke、Hayashi Shin-ichiro、Akagi Yukio、Hirokawa Yutaka
    • Journal Title

      Physics in Medicine & Biology

      Volume: 66 Issue: 20 Pages: 205001-205001

    • DOI

      10.1088/1361-6560/ac279d

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Influence of the components of a radiochromic PVA-Iodide gel dosimeter on the thermal and spatial stability2020

    • Author(s)
      Fujino Keisuke、Ono Kaoru、Hayashi Shin-ichiro、Yasuda Hiroshi、Akagi Yukio、Hirokawa Yutaka
    • Journal Title

      Radiation Measurements

      Volume: 135 Pages: 106338-106338

    • DOI

      10.1016/j.radmeas.2020.106338

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Dosimetric impact of iodine content in a polyvinyl alcohol-iodide radiochromic gel dosimeter2020

    • Author(s)
      Ono Kaoru、Fujino Keisuke、Hayashi Shin-ichiro、Akagi Yukio、Hirokawa Yutaka
    • Journal Title

      Radiation Measurements

      Volume: 135 Pages: 106340-106340

    • DOI

      10.1016/j.radmeas.2020.106340

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Verification of dose distribution in high-dose-rate brachytherapy using a nanoclay-based radio-fluorogenic gel dosimeter2020

    • Author(s)
      Watanabe Yusuke、Maeyama Takuya、Mochizuki Anri、Mizukami Shinya、Hayashi Shin-ichiro、Terazaki Tsuyoshi、Muraishi Hiroshi、Takei Hideyuki、Gomi Tsutomu、Shimono Tetsunori
    • Journal Title

      Physics in Medicine & Biology

      Volume: 65 Issue: 17 Pages: 175008-175008

    • DOI

      10.1088/1361-6560/ab98d2

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Novel radiochromic gel dosimeter based on a polyvinyl alcohol ? Iodide complex2020

    • Author(s)
      Hayashi Shin-ichiro、Ono Kaoru、Fujino Keisuke、Ikeda Sachie、Tanaka Kenichi
    • Journal Title

      Radiation Measurements

      Volume: 131 Pages: 106226-106226

    • DOI

      10.1016/j.radmeas.2019.106226

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Effect of the glucono-δ-lactone concentration on the sensitivity and stability of PVA-GTA-I radiochromic gel dosimeter2020

    • Author(s)
      Tano Jolan E.、Hayashi Shin-ichiro、Hirota Seiko、Gonzales Chryzel Angelica B.、Yasuda Hiroshi
    • Journal Title

      Radiation Measurements

      Volume: in press Pages: 106311-106311

    • DOI

      10.1016/j.radmeas.2020.106311

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] MRI-based iPAGAT polymer gel dosimetry using fast recovery spin echo sequences2019

    • Author(s)
      Fujino K、Ono K、Hayashi S、Sasaki K、Hioki K、Miyazawa M、Akagi Y、Hirokawa Y
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 1305 Issue: 1 Pages: 012013-012013

    • DOI

      10.1088/1742-6596/1305/1/012013

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Influence of the components of a radiochromic PVA-Iodide gel dosimeter on the optical dose response2019

    • Author(s)
      Hayashi Shin-Ichiro、Ono Kaoru、Fujino Keisuke、Fujimoto Sachie
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 1305 Issue: 1 Pages: 012031-012031

    • DOI

      10.1088/1742-6596/1305/1/012031

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Development of a reusable PVA-GTA-I gel dosimeter for 3D radiation dose assessments2019

    • Author(s)
      Tano J、Hayashi S、Hirota S、Gonzales CA、Yasuda H
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 1305 Issue: 1 Pages: 012034-012034

    • DOI

      10.1088/1742-6596/1305/1/012034

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Cause of cupping artifacts from radiochromic micelle gel dosimeters used in optical CT scanner measurement2019

    • Author(s)
      Takanashi Takaoki、Hayashi Kazuya、Nemoto Mikio、Kawamura Hiraku、Hayashi Shin-Ichiro、Gotoh Hiroaki
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 1305 Issue: 1 Pages: 012020-012020

    • DOI

      10.1088/1742-6596/1305/1/012020

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Clear micelle gel dosimeter with nanoclay2019

    • Author(s)
      Hayashi K、Nemoto M、Takanashi T、Kang Y、Togo H、Kotoku J、Kobayashi T、Mihashi M、Hayashi S、Gotoh H
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 1305 Issue: 1 Pages: 012040-012040

    • DOI

      10.1088/1742-6596/1305/1/012040

    • URL

      https://localhost/en/publications/7538c594-9668-411d-af0e-f1fe00b5d0ba

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Cause of cupping artifacts from radiochromic micelle gel dosimeters used in optical CT scanner measurement2019

    • Author(s)
      Takaoki Takanashi, Kazuya Hayashi, Mikio Nemoto, Hiraku Kawamura, Shin-ichiro Hayashi and Hiroaki Gotoh
    • Journal Title

      Journal of Physics: Conference Series

      Volume: -

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Influence of the components of a radiochromic PVA-Iodide gel dosimeter on the optical dose response2019

    • Author(s)
      Shin-ichiro Hayashi, Kaoru Ono, Keisuke Fujino, Sachie Fujimoto
    • Journal Title

      Journal of Physics: Conference Series

      Volume: -

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Development of a reusable PVA-GTA-I gel dosimeter for 3D radiation dose assessments2019

    • Author(s)
      J Tano, S Hayashi, S Hirota, CA Gonzales, H Yasuda
    • Journal Title

      Journal of Physics: Conference Series

      Volume: -

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Clear micelle gel dosimeter with nanoclay2019

    • Author(s)
      K Hayashi, M Nemoto, T Takanashi, Y Kang, H Togo, J Kotoku, T Kobayashi, M Mihashi, S Hayashi and H Gotoh
    • Journal Title

      Journal of Physics: Conference Series

      Volume: -

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] MRI-based iPAGAT polymer gel dosimetry using fast recovery spin echo sequences2019

    • Author(s)
      K Fujino, K Ono, S Hayashi, K Sasaki, K Hioki, M Miyazawa, Y Akagi and Y Hirokawa
    • Journal Title

      Journal of Physics: Conference Series

      Volume: -

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Dose distribution verification in high-dose-rate brachytherapy using a highly sensitive normoxic N-vinylpyrrolidone polymer gel dosimeter2019

    • Author(s)
      Watanabe Yusuke、Mizukami Shinya、Eguchi Kou、Maeyama Takuya、Hayashi Shin-ichiro、Muraishi Hiroshi、Terazaki Tsuyoshi、Gomi Tsutomu
    • Journal Title

      Physica Medica

      Volume: 57 Pages: 72-79

    • DOI

      10.1016/j.ejmp.2018.12.007

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] Influence of magnesium chloride on the dose-response of polyacrylamide-type gel dosimeters2018

    • Author(s)
      Shin-ichiro Hayashi, Hiraku Kawamura, Shuji Usui, Takahiro Tominaga
    • Journal Title

      Radiological Physics and Technology

      Volume: 11 Issue: 4 Pages: 375-381

    • DOI

      10.1007/s12194-018-0473-2

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Evaluation of Spatial Resolution of MRI, Optical CT and X-Ray CT Using MTF for Gel Dosimeter2018

    • Author(s)
      Takanashi Takaoki、Kawamura Hiraku
    • Journal Title

      IFMBE Proceedings book series: World Congress on Medical Physics and Biomedical Engineering 2018

      Volume: 68/1 Pages: 35-38

    • DOI

      10.1007/978-981-10-9035-6_6

    • ISBN
      9789811090349, 9789811090356
    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Computational investigation of suitable polymer gel composition for the QA of the beam components of a BNCT irradiation field2017

    • Author(s)
      Tanaka Kenichi、Sakurai Yoshinori、Hayashi Shin-ichiro、Kajimoto Tsuyoshi、Uchida Ryohei、Tanaka Hiroki、Takata Takushi、Bengua Gerard、Endo Satoru
    • Journal Title

      Applied Radiation and Isotope

      Volume: 127 Pages: 253-259

    • DOI

      10.1016/j.apradiso.2017.06.014

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Evaluation of 3D Dose Distribution and Clinical Applications Using Polymer Gel Dosimeter2017

    • Author(s)
      小野 薫、藤本 幸恵、林 慎一郎、日置 一成、宮沢 正則、赤木 由紀夫、廣川 裕
    • Journal Title

      Japanese Journal of Medical Physics (Igakubutsuri)

      Volume: 37 Issue: 3 Pages: 165-172

    • DOI

      10.11323/jjmp.37.3_165

    • NAID

      130006337866

    • ISSN
      1345-5354, 2186-9634
    • Related Report
      2017 Research-status Report
  • [Journal Article] Polymer Gel Dosimetry for the High-Dose-Rate Brachytherapy Using Ir-192 Source2017

    • Author(s)
      渡邉 祐介、水上 慎也、江口 昂、前山 拓哉、林 慎一郎、寺崎 剛史、山本 和正、首藤 宣昭、五味 勉
    • Journal Title

      Japanese Journal of Medical Physics (Igakubutsuri)

      Volume: 37 Issue: 3 Pages: 173-176

    • DOI

      10.11323/jjmp.37.3_173

    • NAID

      130006337867

    • ISSN
      1345-5354, 2186-9634
    • Related Report
      2017 Research-status Report
  • [Journal Article] Polymer Gel Dosimeter2017

    • Author(s)
      林 慎一郎
    • Journal Title

      Japanese Journal of Medical Physics (Igakubutsuri)

      Volume: 37 Issue: 2 Pages: 89-94

    • DOI

      10.11323/jjmp.37.2_89

    • NAID

      130006943056

    • ISSN
      1345-5354, 2186-9634
    • Related Report
      2017 Research-status Report
  • [Journal Article] 25 Development and Clinical Application of Three-dimensional Gel Dosimeter for Radiotherapy Treatment2017

    • Author(s)
      Hayashi Shin-ichiro
    • Journal Title

      RADIOISOTOPES

      Volume: 66 Issue: 11 Pages: 595-600

    • DOI

      10.3769/radioisotopes.66.595

    • NAID

      130006201417

    • ISSN
      0033-8303, 1884-4111
    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] ポリマーゲル線量計による3 次元吸収線量分布評価に向けて2017

    • Author(s)
      林 慎一郎
    • Journal Title

      放射線(応用物理学会放射線分科会誌)

      Volume: 43 Pages: 9-11

    • Related Report
      2017 Research-status Report
  • [Journal Article] Optical Computed Tomography for Polymer Gel Dosimetry2017

    • Author(s)
      川村 拓、高梨 宇宙、嶋田 芳和、佐藤 裕一、阿部 慎司、原 敏
    • Journal Title

      Japanese Journal of Medical Physics (Igakubutsuri)

      Volume: 37 Issue: 2 Pages: 111-116

    • DOI

      10.11323/jjmp.37.2_111

    • NAID

      130006943053

    • ISSN
      1345-5354, 2186-9634
    • Related Report
      2017 Research-status Report
    • Open Access / Int'l Joint Research
  • [Journal Article] A comparison of the dose?response behavior of AQUAJOINT-based polymer gel and PAGAT gel dosimeters measured using Optical CT and MRI2017

    • Author(s)
      Takanashi Takaoki、Kawamura Hiraku、Fukasaku Kazuaki、Antonio Sahade Daniel、Hamada Toshimasa
    • Journal Title

      Journal of Medical Physics: Conference Series

      Volume: 847 Pages: 012013-012013

    • DOI

      10.1088/1742-6596/847/1/012013

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Effects of PVA-GTA-I radiochromic gel dosimeter components on optical dose-response2021

    • Author(s)
      Shin-ichiro Hayashi
    • Organizer
      11th International Conference on 3D and Advanced Dosimetry
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Measurement of spatial fluence distribution of neutrons and gamma rays using MAGAT-type gel detector doped with LiCl for BNCT at Kyoto University Reactor2021

    • Author(s)
      kenichi Tanaka
    • Organizer
      11th International Conference on 3D and Advanced Dosimetry
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Dosimetry in high-dose-rate brachytherapy with a radio-fluorogenic gel dosimeter2021

    • Author(s)
      K. Inoue
    • Organizer
      11th International Conference on 3D and Advanced Dosimetry
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] PVA-GTA-Iラジオクロミックゲル線量計を用いたBNCT照射場の2次元線質弁別評価に関する検討2021

    • Author(s)
      櫻井良憲
    • Organizer
      第17回日本中性子捕捉療法学会学術大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] A Study on 2D Component-Discrimination Estimation for BNCT Irradiation Field using Radiochromic Gel Dosimeter2021

    • Author(s)
      Yoshinori Sakurai
    • Organizer
      The 9th Korea-Japan Joint Meeting on Medical Physics
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] アミロース-ヨウ素錯体を利用した3Dラジオクロミックゲル線量計の開発2021

    • Author(s)
      林慎一郎
    • Organizer
      第24回 ヨウ素学会シンポジウム
    • Related Report
      2021 Annual Research Report
  • [Presentation] A study on 2D component-discrimination estimation for BNCT irradiation field using a PVA-GTA-I radiochromic gel dosimeter2021

    • Author(s)
      Yoshinori Sakurai
    • Organizer
      19th International Congress on Neutron Capture Therapy
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] How to make a PVA-I radiochromic gel dosimeter2020

    • Author(s)
      林慎一郎、小野薫、藤野圭介、木下佳祐、栗原凌佑
    • Organizer
      第119回日本医学物理学会学術大会
    • Related Report
      2020 Research-status Report
  • [Presentation] PDD measurements of electron beams with a reusable radiochromic gel dosimeter2020

    • Author(s)
      栗原凌佑、小野薫、藤野圭介、林慎一郎、赤木由紀夫、廣川裕
    • Organizer
      第119回日本医学物理学会学術大会
    • Related Report
      2020 Research-status Report
  • [Presentation] Three-Dimensional Isocenter Verification for Real-Time Tumor-Tracking Radiotherapy System Using a Reusable PVA-I Radiochromic Gel Dosimeter2020

    • Author(s)
      K Ono, T Sera, T Shiinoki, S Hayashi, K Fujino, Y Akagi, Y Hirokawa
    • Organizer
      AAPM 2020 62th Annual Meeting & Exhibition
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] ポリマーゲル線量計の高感度化による線量不確かさと線量分解能の改善2019

    • Author(s)
      渡邉祐介,水上慎也,前山拓哉,橘英伸,林慎一郎,寺崎剛史,板野正信,上原隆三,村石浩,五味勉,下野哲範
    • Organizer
      日本放射線腫瘍学会第32回学術大会
    • Related Report
      2019 Research-status Report
  • [Presentation] ポリマーゲル線量計の輸送による線量応答特性への影響2019

    • Author(s)
      井上幹太,渡邉祐介,水上慎也,前山拓哉,橘英伸,林慎一郎,寺崎剛史,板野正信,上原隆三,村石浩,五味勉,下野哲範
    • Organizer
      日本放射線腫瘍学会第32回学術大会
    • Related Report
      2019 Research-status Report
  • [Presentation] 高線量率小線源治療におけるポリマーゲル線量計を用いた線源停留位置の検証2019

    • Author(s)
      寺﨑剛史,渡邉祐介,水上慎也,前山拓哉,橘英伸,林慎一郎,板野正信,上原隆三,村石浩,五味勉,下野哲範
    • Organizer
      日本放射線腫瘍学会第32回学術大会
    • Related Report
      2019 Research-status Report
  • [Presentation] Verification of source position for high-dose-rate brachytherapy using polymer gel dosimeter2019

    • Author(s)
      Yusuke Watanabe, Shinya Mizukami, Takuya Maeyama, Hidenobu Tachibana, Shin-ichiro Hayashi, Hideyuki Takei, Hiroshi Muraishi, Tsutomu Gomi, Tetsunori Shimono
    • Organizer
      Engineering & Physical Scientists in Medical Conference / 19th Asia Oceania Congress of Medical Physics
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Development of novel radiochromic gel dosimeter based on polyvinyl alcohol-iodide complex for clinical three-dimensional dosimetry2019

    • Author(s)
      S. Hayashi, K. Ono, K. Fujino, K. Kinoshita, K. Kurihara
    • Organizer
      The 9th International Meeting on Halogen Chemistry (HALCHEM IX)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] 増感剤を添加したPVA-Iラジオクロミックゲル線量計の再利用性の検証2019

    • Author(s)
      矢原拓弥,加藤玲和,森岡諒治,藤野圭介, 木下佳祐,栗原凌佑,小野薫,林慎一郎
    • Organizer
      第15回 中四国放射線医療技術フォーラム CSFRT2019
    • Related Report
      2019 Research-status Report
  • [Presentation] PVA-Iラジオクロミックゲル線量計におけるゲル化剤濃度の影響2019

    • Author(s)
      増永渡来,中塚勇樹,井上泰河,藤野圭介, 木下佳祐,栗原凌佑,小野薫,林慎一郎
    • Organizer
      第15回 中四国放射線医療技術フォーラム CSFRT2019
    • Related Report
      2019 Research-status Report
  • [Presentation] Improvement of the transparency in a PVA-iodide radiochromic gel dosimeter2019

    • Author(s)
      Shin-ichiro Hayashi, Kaoru Ono, Keisuke Fujino, Keisuke Kinoshita
    • Organizer
      The 19th International Conference on Solid State Dosimetry (SSD19)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Dosimetric Impact of the Iodine Content in a Polyvinyl Alcohol-iodide Radiochromic Gel Dosimeter2019

    • Author(s)
      Kaoru Ono, Keisuke Fujino, Shin-ichiro Hayashi, Yukio Akagi, Yutaka Hirokawa
    • Organizer
      The 19th International Conference on Solid State Dosimetry (SSD19)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Influence of the Components on the Thermal and Spatial Stabilities of a Radiochromic PVA-Iodide Gel Dosimeter2019

    • Author(s)
      Keisuke Fujino, Kaoru Ono, Shin-ichiro Hayashi, Yukio Akagi, Yutaka Hirokawa
    • Organizer
      The 19th International Conference on Solid State Dosimetry (SSD19)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Three-dimensional measurement of dose distribution of PVA-I radiochromic gel dosimeter using optical CT2019

    • Author(s)
      Takaoki Takanashi, Shin-ichiro Hayashi
    • Organizer
      The 19th International Conference on Solid State Dosimetry (SSD19)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Effect of proton generator concentration and annealing temperature on the dose response of a novel radiochromic gel dosimeter2019

    • Author(s)
      Jolan E. Tano, Shin-ichiro Hayashi, Seiko Hirota, Chryzel Angelica B. Gonzales, Hiroshi Yasuda
    • Organizer
      The 19th International Conference on Solid State Dosimetry (SSD19)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Improvement of the transparency and the temporal stability using sucrose in a polyvinyl alcohol-iodide radiochromic gel dosimeter2019

    • Author(s)
      Shin-ichiro Hayashi, Kaoru Ono, Keisuke Fujino, Keisuke Kinoshita
    • Organizer
      16th International Congress of Radiation Research (ICRR2019)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Three-Dimensional Winston-Lutz Test Using a Reusable Radiochromic Gel Dosimeter2019

    • Author(s)
      K Ono, K Fujino, K Kinoshita, S Hayashi, Y Akagi, Y Hirokawa
    • Organizer
      AAPM 61th Annual Meeting & Exhibition
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] 放射線治療のための三次元ラジオクロミックゲル線量計2019

    • Author(s)
      林慎一郎
    • Organizer
      第33回固体飛跡検出器研究会
    • Related Report
      2018 Research-status Report
  • [Presentation] Improvement of the sensitivity of the radiochromic gel dosimeter based on polyvinyl alcohol-iodide complex2018

    • Author(s)
      Shin-ichiro HAYASHI, Kaoru Ono, Sachie Fujimoto, Keisuke Fujino
    • Organizer
      World Congress on Medical Physics and Biomedical Engineering (IUPESM) 2018
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Evaluation of Spatial Resolution of MRI, Optical CT and X-Ray CT Using MTF for Gel Dosimeter2018

    • Author(s)
      Takaoki Takanashi, Hiraku Kawamura
    • Organizer
      World Congress on Medical Physics and Biomedical Engineering (IUPESM) 2018
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] ポリマーゲル線量計を用いた高線量率192Ir線源周囲の線量分布測定2018

    • Author(s)
      江口昂,渡邉祐介,水上慎也,前山拓哉,林慎一郎,寺崎剛史,首藤宣昭,五味勉
    • Organizer
      日本放射線腫瘍学会・小線源治療部会 第20回学術大会
    • Related Report
      2018 Research-status Report
  • [Presentation] Investigation of the Thermal Characteristics of a Reusable Radiochromic Gel Dosimeter2018

    • Author(s)
      K Ono, K Fujino, S Hayashi, K Hioki, M Miyazawa, Y Akagi, Y Hirokawa
    • Organizer
      AAPM 60TH Annual Meeting & Exhibition
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] A Verification of High-Dose-Rate Brachytherapy Dose Distributions for Prostate Cancer with a VIPET Polymer Gel Dosimeter2018

    • Author(s)
      K Eguchi, Y Watanabe, S Mizukami, T Maeyama, S Hayashi, T Gomi
    • Organizer
      AAPM 60TH Annual Meeting & Exhibition
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] ポリビニルアルコール - ヨウ素錯体を用いた可逆的3 次元ラジオクロミックゲル線量計(II)2018

    • Author(s)
      林慎一郎, Jolan Tano, 小野薫, 藤野圭介, 保田浩志
    • Organizer
      第21 回ヨウ素学会シンポジウム
    • Related Report
      2018 Research-status Report
  • [Presentation] Clear micelle gel dosimeter with nanoclay2018

    • Author(s)
      K Hayashi, M Nemoto, T Takanashi, Y Kang, H Togo, J Kotoku, T Kobayashi, M Mihashi, S Hayashi and H Gotoh
    • Organizer
      10th International Conference on 3D and Advanced Dosimetry (IC3DDose2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] MRI-based iPAGAT polymer gel dosimetry using fast recovery spin echo sequences2018

    • Author(s)
      K Fujino, K Ono, S Hayashi, K Sasaki, K Hioki, M Miyazawa, Y Akagi and Y Hirokawa
    • Organizer
      10th International Conference on 3D and Advanced Dosimetry (IC3DDose2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Influence of the components of a radiochromic PVA-Iodide gel dosimeter on the optical dose response2018

    • Author(s)
      Shin-ichiro Hayashi, Kaoru Ono, Keisuke Fujino, Sachie Fujimoto
    • Organizer
      10th International Conference on 3D and Advanced Dosimetry (IC3DDose2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Development of a reusable PVA-GTA-I gel dosimeter for 3D radiation dose assessments2018

    • Author(s)
      J Tano, S Hayashi, S Hirota, CA Gonzales, H Yasuda
    • Organizer
      10th International Conference on 3D and Advanced Dosimetry (IC3DDose2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] PVA-I ラジオクロミックゲル線量計の線量応答に対する増感剤の効果2018

    • Author(s)
      林 慎一郎,小野 薫,藤野 圭介,池田 幸恵
    • Organizer
      第61回 放射線化学討論会
    • Related Report
      2018 Research-status Report
  • [Presentation] 高線量率小線源治療における高感度VIPETゲル線量計を用いた線量分布検証2018

    • Author(s)
      渡邉祐介, 江口昂, 水上慎也, 前山拓哉, 林慎一郎, 村石浩, 寺崎剛史, 五味勉
    • Organizer
      第46回 日本放射線技術学会秋季学術大会
    • Related Report
      2018 Research-status Report
  • [Presentation] Radiation quality dependence of polymer gel dosimeters in therapeutic neutron irradiation field2018

    • Author(s)
      R. Uchida, S. Hayashi, T. Takata, Y. Sakurai
    • Organizer
      18th International Congress on Neutron Capture Therapy
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] 反復利用可能ラジオクロミックゲル線量計による3次元アイソセンタ試験2018

    • Author(s)
      木下佳祐, 小野薫, 林慎一郎, 藤野圭介, 赤木由紀夫, 廣川裕
    • Organizer
      第14回 中四国放射線医療技術フォーラム CSFRT2018
    • Related Report
      2018 Research-status Report
  • [Presentation] Evaluation of Measurement-Guided 4D Dose Reconstruction with Motion as a Perturbation Using IPAGAT Polymer Gel Dosimeter2017

    • Author(s)
      Kaoru Ono, Sachie Fujimoto, Shin-ichiro Hayashi, Kazunari Hioki, Masanori Miyazawa, Yukio Akagi, Yutaka Hirokawa
    • Organizer
      AAPM 59TH Annual Meeting & Exhibition
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] ポリビニルアルコール-ヨウ素錯体を用いた可逆的3 次元ラジオクロミックゲル線量計2017

    • Author(s)
      林慎一郎, 砂川武義, 小野薫, 藤本幸恵, 若林源一郎
    • Organizer
      第20回 ヨウ素学会シンポジウム
    • Related Report
      2017 Research-status Report
  • [Presentation] Reversible radiochromic gel dosimeter based on polyvinyl alcohol-iodide complex2017

    • Author(s)
      Shin-ichiro Hayashi, Takeyoshi Sunagawa, Kaoru Ono, Sachie Fujimoto, Yoshinori Sakura), Ryohei Uchida, Kenichi Tanaka, Genichiro Wakabayashi, Toshiharu Sakura
    • Organizer
      8th Japan-Korea Joint Meeting on Medical Physics
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Estimation of Measurement-guided 4D Dose Verification System Using Customized Polymer Gel Dosimeter2017

    • Author(s)
      Kaoru Ono, Sachie Fujimoto, Shin-ichiro Hayashi, Kazunari Hioki, Masanori Miyazawa, Yukio Akagi, Yutaka Hirokawa
    • Organizer
      8th Japan-Korea Joint Meeting on Medical Physics
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Investigation of 6Li compound suitable for beam component measurement using polymer gel detector for BNCT2017

    • Author(s)
      Kenichi Tanaka, Yuto Murakami, Rion Maruta, Shin-ichiro Hayashi, Tsuyoshi Kajimoto, Yuka Shigetake, Yoshinori Sakurai, Hiroki Tanaka, Satoru Endo
    • Organizer
      8th Japan-Korea Joint Meeting on Medical Physics
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Survey on nuclide enhancing sensitivity of gel detector to epithermal neutrons for neutron capture therapy2017

    • Author(s)
      Yuto Murakami, Kenichi Tanaka, Tsuyoshi Kajimoto, Yoshinori Sakurai, Shin-ichiro Hayashi, Hiroki Tanaka, Satoru Endo
    • Organizer
      8th Japan-Korea Joint Meeting on Medical Physics
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Parameter optimization for polymer gel dosimetry using 0.2T magnetic resonance imaging2017

    • Author(s)
      Nobuyoshi Tanki, Shin-ichiro Hayashi, Tatsuhiro Gotanda, Rumi Gotanda, Tadao Kuwano, Koutaro Iwasaki, Shinya Imai, Haruyuki Watanabe, Atsushi Noguchi, Toshizo Katsuda, Yoshihiro Takeda
    • Organizer
      8th Japan-Korea Joint Meeting on Medical Physics
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] リチウムを添加したポリマーゲル線量計による中性子線量分布測定に向けた基礎的検討2017

    • Author(s)
      内田良平,林慎一郎,櫻井良憲,田中憲一,若林源一郎
    • Organizer
      第14回日本中性子捕捉療法学会学術大会
    • Related Report
      2017 Research-status Report
  • [Presentation] ポリマーゲル線量計を用いた前立腺癌高線量率小線源治療の線量分布測定2017

    • Author(s)
      江口昂,渡邉祐介,水上慎也,前山拓哉,林慎一郎,寺崎剛史,首藤宣昭,大類優奈,五味勉
    • Organizer
      第45回 日本放射線技術学会秋季学術大会
    • Related Report
      2017 Research-status Report
  • [Presentation] フラットベッドスキャナによる色素ゲル簡易線量解析システムの構築2017

    • Author(s)
      藤野圭介,小野 薫,藤本幸恵,林 慎一郎,赤木由紀夫,廣川 裕
    • Organizer
      第45回 日本放射線技術学会秋季学術大会
    • Related Report
      2017 Research-status Report
  • [Presentation] Investigation of applicability of polymer gel dosimeters with Li compounds to dosimetry in boron neutron capture therapy2017

    • Author(s)
      Ryohei Uchida, Shin-ichiro Hayashi, Atsushi Sakon, Genichiro Wakabayashi, Kenichi Tanaka, Yoshinori Sakurai
    • Organizer
      The 9th Young Researchers' BNCT Meeting
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] INVESTIGATION OF RECONSTRUCTED FILTERS OF OPTICAL COMPUTED TOMOGRAPHY FOR POLYMER GEL DOSIMETER.2017

    • Author(s)
      Hiraku Kawamura, Takaoki Takanashi, Yoshikazu Shimada, Yuichi Sato, Shinji Abe
    • Organizer
      17th Asia Oceania Congress of Medical Physics & 38th Annual Conference of Association of Medical Physicists of India
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Remarks] 広島国際大学 DOSGEL group (兼 3Dゲル線量計研究会事務局)

    • URL

      http://www.hirokoku-u.net/hr/dosgel/index-j.html

    • Related Report
      2021 Annual Research Report
  • [Remarks] 広島国際大学 DOSGEL group

    • URL

      http://www.hirokoku-u.net/hr/dosgel/index-j.html

    • Related Report
      2020 Research-status Report
  • [Remarks] 広島国際大学 DOSGEL group

    • URL

      http://www.hirokoku.jp/hr/dosgel/index-j.html

    • Related Report
      2019 Research-status Report
  • [Remarks] 広島国際大学 DOSGEL Group

    • URL

      http://www.hirokoku.jp/hr/dosgel/index-j.html

    • Related Report
      2018 Research-status Report
  • [Remarks] 広島国際大学 DOSGEL group

    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2023-01-30  

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