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Investigation of dose assessments to the residents at an unique natural radiation area in Sulawesi Island, Indonesia

Research Project

Project/Area Number 18KK0261
Research Category

Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 58:Society medicine, nursing, and related fields
Research InstitutionHirosaki University

Principal Investigator

Tokonami Shinji  弘前大学, 被ばく医療総合研究所, 教授 (80247254)

Co-Investigator(Kenkyū-buntansha) 柏倉 幾郎  弘前大学, 保健学研究科, 特任教授 (00177370)
古川 雅英  琉球大学, 理学部, 教授 (40238671)
工藤 ひろみ  弘前大学, 保健学研究科, 助教 (50552684)
Project Period (FY) 2018-10-09 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥17,940,000 (Direct Cost: ¥13,800,000、Indirect Cost: ¥4,140,000)
Fiscal Year 2020: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2019: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2018: ¥8,320,000 (Direct Cost: ¥6,400,000、Indirect Cost: ¥1,920,000)
Keywordsインドネシア / 高自然放射線地域 / 内部被ばく / 外部被ばく / ラドン / トロン / 大地放射線 / 生体影響評価 / 吸入摂取 / 食品 / 飲料水 / 経口摂取 / 光刺激ルミネセンス線量計 / 個人線量当量 / 子孫核種 / 高濃度化 / 血清アルブミン / 酸化修飾 / 低線量率慢性被ばく / 血液 / 生体影響 / 低線量 / 慢性被ばく / 放射線環境 / 被ばく / 線量評価 / リスク / 生物影響
Outline of Final Research Achievements

Recently, we have found an unique area in Indonesia where naturally high radiation levels are present, resulting in chronic low dose-rate radiation exposures. We aimed to estimate the comprehensive dose due to internal and external exposures at the particularly high natural radiation area, and to discuss the biological responses to low-dose radiation. The lifetime cumulative dose estimated for the residents of study area were found to be received over 2.2 Sv as average which is much higher than the average dose of atomic bomb survivors for which risks of cancer and non-cancer diseases are demonstrated. According to the proteomic analysis of serum components based on blood samples from residents of study area, we discovered several interesting amino acids, and it can be used as a biomarker not only for the assessment of the presence or absence of radiation exposure but also for dose prediction in living organisms for chronic radiation.

Academic Significance and Societal Importance of the Research Achievements

低線量域における発がんリスクに関する情報は非常に限られており、この線量域での知見の蓄積が国内外で求められている。本研究で対象としたインドネシア・マムジュ地域は、他の高自然放射線地域と異なり、外部被ばくだけでなく内部被ばくの影響も大きい。東京電力福島第一原子力発電所事故後の一般公衆が抱いている最大の不安は、環境中に放出された放射性物質による低線量被ばくが周辺住民の健康状態にどのような影響を及ぼすのかということである。マムジュ地域で得られた知見は、放射線防護領域の研究者が直面している研究課題の解決に向けた示唆を与えるだけでなく、一般公衆が抱いている不安に対する科学的根拠を提供することにつながる。

Report

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

    (57 results)

All 2022 2021 2020 2019 2018 Other

All Int'l Joint Research (3 results) Journal Article (22 results) (of which Int'l Joint Research: 13 results,  Peer Reviewed: 22 results,  Open Access: 13 results) Presentation (30 results) (of which Int'l Joint Research: 15 results,  Invited: 5 results) Book (1 results) Patent(Industrial Property Rights) (1 results) (of which Overseas: 1 results)

  • [Int'l Joint Research] インドネシア原子力庁(インドネシア)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] 環境保護庁(アイルランド)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] インドネシア原子力庁(インドネシア)

    • Related Report
      2018 Research-status Report
  • [Journal Article] Heavy Metal Assessments of Soil Samples from a High Natural Background Radiation Area, Indonesia2022

    • Author(s)
      Eka Djatnika Nugraha, June Mellawati, Wahyudi, Chutima Kranrod, Makhsun, Hirofumi Tazoe, Haeranah Ahmad, Masahiro Hosoda, Naofumi Akata, Shinji Tokonami
    • Journal Title

      Toxics

      Volume: 10 Pages: 39-39

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] 222Rn and 226Ra Concentrations in Spring Water and Their Dose Assessment Due to Ingestion Intake2022

    • Author(s)
      Ryohei Yamada, Masahiro Hosoda, Tomomi Tabe, Yuki Tamakuma, Takahito Suzuki, Kevin Kelleher, Takakiyo Tsujiguchi, Yoshiki Tateyama, Eka Djatnika Nugraha, Anna Okano, Yuki Narumi, Chutima Kranrod, Hirofumi Tazoe, Kazuki Iwaoka, Yumi Yasuoka, Naofumi Akata, Tetsuya Sanada, Shinji Tokonami
    • Journal Title

      International Journal of Environmental Research and Public Health

      Volume: 19 Issue: 3 Pages: 1758-1758

    • DOI

      10.3390/ijerph19031758

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] A unique high natural background radiation area in Indonesia: a brief review from the viewpoint of dose assessments2021

    • Author(s)
      Eka Djatnika Nugraha, Masahiro Hosoda, Yuki Tamakuma, Chutima Kranrod, June Mellawati, Naofumi Akata, Shinji Tokonami
    • Journal Title

      Journal of Radioanalytical and Nuclear Chemistry

      Volume: 330 Issue: 3 Pages: 1437-1444

    • DOI

      10.1007/s10967-021-07908-4

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Comprehensive exposure assessments from the viewpoint of health in a unique high natural background radiation area, Mamuju, Indonesia2021

    • Author(s)
      Eka Djatnika Nugraha, Masahiro Hosoda, Kusdiana, Untara, June Mellawati, Nurokhim, Yuki Tamakuma, Abarrul Ikram, Mukh Syaifudin, Ryohei Yamada, Naofumi Akata, Michiya Sasaki, Masahide Furukawa, Shinji Yoshinaga, Masaru Yamaguchi, Tomisato Miura, Ikuo Kashiwakura, Shinji Tokonami
    • Journal Title

      Scientific Reports

      Volume: 11 Issue: 1 Pages: 14578-14578

    • DOI

      10.1038/s41598-021-93983-2

    • NAID

      120007170569

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Characterization of Commercially Available Active-Type Radon-Thoron Monitors at Different Sampling Flow Rates2021

    • Author(s)
      Yuki Tamakuma, Chutima Kranrod, Yuto Jin, Hiromu Kobayashi, Eka Djatnika Nugraha, Aoi Sanpei, Mizuki Kiso, Hiroki Hashimoto, Ryoju Negami, Masahiro Hosoda, Shinji Tokonami
    • Journal Title

      Atmosphere

      Volume: 12 Issue: 8 Pages: 971-971

    • DOI

      10.3390/atmos12080971

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Radon Activity Concentrations in Natural Hot Spring Water: Dose Assessment and Health Perspective2021

    • Author(s)
      Eka Djatnika Nugraha, Masahiro Hosoda, June Mellawati, Untara Untara, Ilsa Rosianna, Yuki Tamakuma, Oumar Bobbo Modibo, Chutima Kranrod, Kusdiana Kusdiana, Shinji Tokonami
    • Journal Title

      International Journal of Environmental Research and Public Health

      Volume: 18 Pages: 920-920

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] A unique high natural background radiation area ? Dose assessment and perspectives2021

    • Author(s)
      M. Hosoda, E. D. Nugraha, N. Akata, R. Yamada, Y. Tamakuma, M. Sasaki, K. Kelleher, S. Yoshinaga, T. Suzuki, C. Pornnumpa, M. Furukawa, M. Yamaguchi, K. Iwaoka, T. Sanada, T. Miura, Kusdiana, D. Iskandar, E. Pudjadi, I. Kashiwakura, S. Tokonami
    • Journal Title

      Science of The Total Environment

      Volume: 750 Pages: 142346-142346

    • DOI

      10.1016/j.scitotenv.2020.142346

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] An Improved Passive CR-39-Based Direct 222Rn/220Rn Progeny Detector2020

    • Author(s)
      Hu Jun、Yang Guosheng、Kranrod Chutima、Iwaoka Kazuki、Hosoda Masahiro、Tokonami Shinji
    • Journal Title

      International Journal of Environmental Research and Public Health

      Volume: 17 Issue: 22 Pages: 8569-8569

    • DOI

      10.3390/ijerph17228569

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Natural Radioactivity of Laterite and Volcanic Rock Sample for Radioactive Mineral Exploration in Mamuju, Indonesia2020

    • Author(s)
      Rosianna Ilsa、Nugraha Eka Djatnika、Syaeful Heri、Putra Sugili、Hosoda Masahiro、Akata Naofumi、Tokonami Shinji
    • Journal Title

      Geosciences

      Volume: 10 Issue: 9 Pages: 376-376

    • DOI

      10.3390/geosciences10090376

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Dose Assessment of Radium-226 in Drinking Water from Mamuju, a High Background Radiation Area of Indonesia2020

    • Author(s)
      Eka Djatnika Nugraha, Masahiro Hosoda, Kusdiana, Ilma D Winarni, Ariska Prihantoro, Takahito Suzuki, Yuki Tamakuma, Naofumi Akata, Shinji Tokonami
    • Journal Title

      Radiation Environment and Medicine

      Volume: 9 Pages: 79-83

    • NAID

      40022329364

    • Related Report
      2020 Research-status Report 2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] The parameter sensitivity analysis of the theoretical model of a CR-39 based direct 220Rn/222Rn progeny monitor2020

    • Author(s)
      Hu Jun, Masahiro Hosoda, Shinji Tokonami
    • Journal Title

      Nukleonika

      Volume: 65 Pages: 95-98

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Exposures from radon, thoron, and thoron progeny in high background radiation area in Takandeang, Mamuju, Indonesia2020

    • Author(s)
      Miki Arian Saputra, Eka Djatnika Nugraha, Tri Purwanti, Rokhmat Arifianto, Roza Indra laksmana, Richard P. Hutabarat, Masahiro Hosoda, Shinji Tokonami
    • Journal Title

      Nukleonika

      Volume: 65 Pages: 89-94

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] The parameter sensitivity analysis of the theoretical model of a CR-39 based direct 220Rn/222Rn progeny monitor2020

    • Author(s)
      Hu Jun, Masahiro Hosoda, Shinji Tokonami
    • Journal Title

      Nukleonika journal

      Volume: -

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Lung dose esrimation of 222Rn and 220Rn progeny based on IMBA Professional Software2020

    • Author(s)
      Jun Hu, Kazuki Iwaoka, Masahiro Hosoda, Shinji Tokonami
    • Journal Title

      Radiation Environment and Medicine

      Volume: 9 Pages: 21-27

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Development of calculation tool for respiratory tract deposition depending on aerosols particle distribution2020

    • Author(s)
      Kazuki Iwaoka, Masahiro Hosoda, Shinji Tokonami, Eliza B. Enriquez, Lorna Jean, H. Palad, Reiko Kanda
    • Journal Title

      Radiation Protection Dosimetry

      Volume: 184 Issue: 3-4 Pages: 388-390

    • DOI

      10.1093/rpd/ncz074

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Comparative study on performance of various environmental radiation monitors2019

    • Author(s)
      Y. Tamakuma, R. Yamada, T. Suzuki, T. Kuroki, R. Saga, H. Mizuno, H. Sasaki, K. Iwaoka, M. Hosoda, S. Tokonami
    • Journal Title

      Radiation Protection Dosimetry

      Volume: 184 Issue: 3-4 Pages: 307-310

    • DOI

      10.1093/rpd/ncz104

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] 市販の大気中放射性エアロゾル捕集用フィルタの表面捕集効率及び流量の安定性の評価2019

    • Author(s)
      玉熊佑紀, 山田椋平, 岩岡和輝, 細田正洋, 床次眞司
    • Journal Title

      保健物理

      Volume: 54 Pages: 5-12

    • NAID

      130007701667

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Study of chemical etching conditions for alpha-particle detection and visualization using solid state nuclear track detectors2019

    • Author(s)
      Ryohei Yamada, Taiki Odagiri, Kazuki Iwaoka, Masahiro Hosoda, Shinji Tokonami
    • Journal Title

      Radiation Environment and Medicine

      Volume: 8 Pages: 21-25

    • NAID

      40021834357

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Preliminary Development of Thoron Exposure System in the Philippines2018

    • Author(s)
      Kazuki Iwaoka, Lorna Jean H. Palad, Eliza B. Enriquez, Fe M. dela Cruz, Christopher O. Mendoza, Juanario U. Olivares, Ryan Joseph Aniago, Christian L. dela Sada, Masahiro Hosoda, Shinji Tokonami
    • Journal Title

      Science Diliman

      Volume: 30 Pages: 87-95

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Thyroid equivalent doses for evacuees and radiological impact from the Fukushima nuclear accident2018

    • Author(s)
      Shinji Tokonami, Masahiro Hosoda
    • Journal Title

      Radiation Measurments

      Volume: 119 Pages: 74-79

    • DOI

      10.1016/j.radmeas.2018.09.004

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] 自然界の放射線 国内外の自然放射線レベルと高線量地域の放射線量2018

    • Author(s)
      床次眞司, 細田正洋
    • Journal Title

      公衆衛生

      Volume: 82 Pages: 809-815

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] Some Thought on New Dose Conversion Factors for Radon Progeny Inhalation2018

    • Author(s)
      床次眞司
    • Journal Title

      Japanese Journal of Health Physics

      Volume: 53 Issue: 4 Pages: 282-293

    • DOI

      10.5453/jhps.53.282

    • NAID

      130007605919

    • ISSN
      0367-6110, 1884-7560
    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] New high natural radiation background area in Indonesia2021

    • Author(s)
      Masahiro Hosoda, Eka Djatnika Nugraha, Chutima Kranrod, Yasutaka Omori, Naofumi Akata, Shinji Tokonami
    • Organizer
      Seminar Earthquake Early Warning System Trough Real Time Radon Gas Monitoring
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Radon-Thoron Measurements and the Calibration System at Hirosaki University, Japan2021

    • Author(s)
      Chutima Kranrod, Yuki Tamakuma, Takahito Suzuki, Hiroki Hashimoto, Ryoju Negami, Eka Djatnika Nugraha, Masahiro Hosoda, Shinji Tokonami
    • Organizer
      Seminar Earthquake Early Warning System Trough Real Time Radon Gas Monitoring
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Activity-weighted particle size distributions of radon/thoron progeny in the outdoor environment2021

    • Author(s)
      Mizuki Kiso, Aoi Sanpei, Chutima Kranrod, Oumar Bobbo Moudibo, Eka Djatnika Nugraha, Hiroki Hashimoto, Yuki Oda, Masahiro Hosoda, Shinji Tokonami
    • Organizer
      International Symposium Environmental dynamics of Radionuclides and Biological Effects of Low Dose-Rate Radiation
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] A unique high natural background radiation area in Indonesia2021

    • Author(s)
      M. Hosoda, E. D. Nugraha, Y. Tamakuma, C. Kranrod, N. Akata, S. Tokonami
    • Organizer
      Third National Conference (Online) on Radiation Awareness and Detection in Natural Environment (RADNET-III)
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Inhalation Dose Assessment From 222Rn & 220Rn In Extremely High Background Radiation Area, Indonesia2021

    • Author(s)
      E. D. Nugraha, M. Hosoda, Nurokhim, Wahyudi, Kusdiana, Y. Tamakuma, S. Tokonami
    • Organizer
      The 15th International Congress of the International Radiation Protection Association
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] A unique high natural background radiation area in Indonesia2021

    • Author(s)
      Masahiro Hosoda, Eka Djatnika Nugraha, Yuki Tamakuma, Chutima Kranrod, Naofumi Akata, Shinji Tokonami
    • Organizer
      Third National Conference on Radiation Awareness and Detection in Natural Environment
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] A simple and fast method of radium-226 measurement in drinking water2020

    • Author(s)
      E. D. Nugraha, Y. Tamakuma, Wahyudi, M. Hosoda, S. Tokonami
    • Organizer
      日本保健物理学会第53回研究発表会
    • Related Report
      2020 Research-status Report
  • [Presentation] インドネシア・マムジュにおけるラドンの高濃度化の要因調査2019

    • Author(s)
      細田正洋, Eka Djatnika Nugraha, Miki Arian Saputra, 赤田尚史, 山田椋平, 佐々木道也, 玉熊佑紀, 鈴木崇仁, 岩岡和輝, 古川雅英, 真田哲也, 山口平, 吉永信治, Abarrul Ikram, 柏倉幾郎, 床次眞司
    • Organizer
      日本保健物理学会第52回研究発表会
    • Related Report
      2019 Research-status Report
  • [Presentation] Validation of Can Technique to Measure the Exhalation Rates of Radon and Thoron from Soil Sample2019

    • Author(s)
      Miki Arian Saputra, Yuki Tamakuma, Masahiro Hosoda, Shinji Tokonami
    • Organizer
      日本保健物理学会第52回研究発表会
    • Related Report
      2019 Research-status Report
  • [Presentation] Influential factor for radon/thoron measurements to inhalation dose2019

    • Author(s)
      Jun Hu, K. Iwaoka, M. Hosoda, S. Tokonami
    • Organizer
      日本保健物理学会第52回研究発表会
    • Related Report
      2019 Research-status Report
  • [Presentation] パッシブ式静電捕集型ラドンモニタに対するトロンの感度評価2019

    • Author(s)
      根上颯珠, 玉熊佑紀, 細田正洋, 床次眞司
    • Organizer
      日本保健物理学会第52回研究発表会
    • Related Report
      2019 Research-status Report
  • [Presentation] Measurement of attached radon and thoron progeny size distributions in Mamuju, Indonesia using passive detectors2019

    • Author(s)
      Chutima Kranrod, M.A. Saputra, E.D. Nugraha, Y. Tamakuma, N. Akata, M. Hosoda, S. Tokonami
    • Organizer
      日本保健物理学会第52回研究発表会
    • Related Report
      2019 Research-status Report
  • [Presentation] コンタクトレンズケースを用いた小型パッシブ型ラドンモニタ2019

    • Author(s)
      玉熊佑紀, 鈴木崇仁, 渡辺裕貴, 岩岡和暉, ミロソラフ ヤニック, ポロイクラトク タマボーン, エカ ジャトニカ ヌグラハ, 細田正洋, 床次眞司
    • Organizer
      日本保健物理学会第52回研究発表会
    • Related Report
      2019 Research-status Report
  • [Presentation] Behavior Analysis of Radon in the water in Extremely High Background Radiation Area at Indonesia2019

    • Author(s)
      Eka Djatnika Nugraha, Masahiro Hosoda, Nurokhim, Yuki Tamakuma, Ryohei Yamada, Naofumi Akata, Shinji Tokonami
    • Organizer
      日本保健物理学会第52回研究発表会
    • Related Report
      2019 Research-status Report
  • [Presentation] インドネシア高自然放射線地域における放射線線量評価-異なる地上高の線量率測定-2019

    • Author(s)
      佐々木道也, 山田椋平, Eka Nugraha, 赤田 尚史,, 床次眞司, 細田正洋, 岩岡和輝, Chanis Pornnumpa,, 工藤ひろみ, Kumar Sahoo, Iskandar Dadong, Eko Pudjadi
    • Organizer
      日本原子力学会秋の大会
    • Related Report
      2019 Research-status Report
  • [Presentation] A new portable radon progeny monitor using a silicon photodiode2019

    • Author(s)
      Yuki tamakuma, Masahiro Hosoda, Tomonori Kuroki, Rikiya Saga, Hiroyuki Sasaki, Hiroyuki Mizuno, Takahito Suzuki, Eka Djatnika Nugraha, Shinji Tokonami
    • Organizer
      The 3rd International Conference "Radon in the environment
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Exposures from radon and thoron progeny in high background radiation area in Takandeang, Indonesia2019

    • Author(s)
      Miki Arian Saptra, Tri Purweanti, Rokhmat Arifianto, Eka Djatinika, Nugraha, Ricard, Parulian Hutabarat, Masahiro Hosoda, Shinji Tokonami
    • Organizer
      The 3rd International Conference "Radon in the environment
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Preliminary survey of 222Rn concentration in dwelling & drinking water at high background radiation area Botteng, Mamuju, Indonesia2019

    • Author(s)
      Eka Djatnika Nugraha, Masahiro Hosoda, Kusdiana, Miki Arian Saputra, Eko Pudjadi, Takahito Suzuki, Yuki Tamakuma, Shinji Tokonami
    • Organizer
      The 3rd International Conference "Radon in the environment
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Development of radioactive aerosol chamber at Hirosaki University, Japan2019

    • Author(s)
      Shinji Tokonami, Yuki Tamakuma, Eka Djatnika Nugraha, Rungroj Sakulnaeramit, Takahito Suzuki, Chutima Kranrod, Supitcha Chanyotha, Masahiro Hosoda
    • Organizer
      The 3rd International Conference "Radon in the environment
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] パッシブ式静電捕集型ラドンモニタの改良と性能評価2018

    • Author(s)
      岡野杏奈, 鈴木崇仁, 玉熊佑紀, 城間吉貴, 岩岡和輝, 細田正洋, 床次眞司
    • Organizer
      日本放射線影響学会第61回大会
    • Related Report
      2018 Research-status Report
  • [Presentation] 弘前大学におけるラドン較正場の空間分布及びその応用に関する考察2018

    • Author(s)
      鈴木崇仁, フー クン, 森田祐貴, ヌグラハ エカ, サプトラ ミキ, 玉熊佑紀, 岩岡和輝, 細田正洋, 床次眞司
    • Organizer
      日本放射線影響学会第61回大会
    • Related Report
      2018 Research-status Report
  • [Presentation] 放射性エアロゾルの吸入にともなう線量評価のための基礎研究2018

    • Author(s)
      浅野喬, 鈴木崇仁, 玉熊佑紀, 岩岡和輝, 細田正洋, 床次眞司
    • Organizer
      日本放射線影響学会第61回大会
    • Related Report
      2018 Research-status Report
  • [Presentation] Measurement of radon-222 concentration in groundwater from the Ra spa in Hokkaido using liquid scintillation counter, Japan2018

    • Author(s)
      T. Sanada, N. Akata, T. Suzuki, Y. Tamakuma, M. Hosoda, Y. Shiroma, S. Tokonami, K. Iwaoka
    • Organizer
      9th International Conference on High Level Environmental Radiation Areas - For Understanding Chronic Low-Dose-Rate Radiation Exposure Health Effects and Social Impacts
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] High indoor radon concentration observed in Yomitan-son, Okinawa Prefecture, southwestern part of Japan2018

    • Author(s)
      M. Furukawa, Y. Omori, R. Shingaki, N. Masuda, M. Obata, Y. Tamakuma, T. Suzuki, S. Nakasone, A. Ishimine, M. Hosoda, N. Akata, S. Tokonami
    • Organizer
      9th International Conference on High Level Environmental Radiation Areas - For Understanding Chronic Low-Dose-Rate Radiation Exposure Health Effects and Social Impacts
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Evaluation of a radon air monitor as a measurement of radon concentration in water in comparison with a liquid scintillation counter2018

    • Author(s)
      S. Higuchi, Y. Kamishiro, M. Ishihara, Y. Yasuoka, Y. Mori, M. Hosoda, K. Iwaoka, S. Tokonami, M. Janik, J. Muto, H. Nagahama, T. Mukai
    • Organizer
      9th International Conference on High Level Environmental Radiation Areas - For Understanding Chronic Low-Dose-Rate Radiation Exposure Health Effects and Social Impacts
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Development of a passive radon and thoron exhalation rate monitor for long-term and large-scale survey2018

    • Author(s)
      T. Suzuki, M. Hosoda, N. Akata, W. Zhuo, K. Iwaoka, K. Yamanouchi, Y. Tamakuma, Y. Shiroma, M. Furukawa, S. Tokonami
    • Organizer
      9th International Conference on High Level Environmental Radiation Areas - For Understanding Chronic Low-Dose-Rate Radiation Exposure Health Effects and Social Impacts
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Calibration experiment of Passive type radon-thoron discriminative monitor using radon and thoron calibration facilities at Hirosaki University2018

    • Author(s)
      Takahito Suzuki, Hu Jun, Yuki Morita, Chanis Pornnumpa, Yuki Tamakuma, Kazuki Iwaoka, Masahiro Hosoda, Shinji Tokonami
    • Organizer
      The 44th European Radiation Research Congress
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] シリコンフォトダイオードを用いた静電捕集型ラドンモニタの実用化に向けた検討2018

    • Author(s)
      細田正洋, 館山福樹, 玉熊佑紀, 鈴木崇仁, 山田椋平, 岩岡和輝, 床次眞司
    • Organizer
      日本保健物理学会第51回研究発表会
    • Related Report
      2018 Research-status Report
  • [Presentation] ラドン・トロンの環境中での空間分布と散逸率評価への応用2018

    • Author(s)
      鈴木崇仁, 赤田尚史, 岩岡和輝, 山内可南子, 工藤ひろみ, 玉熊佑紀, 山田椋平, 城間吉貴, 古川雅英, 細田正洋, 床次眞司
    • Organizer
      日本保健物理学会第51回研究発表会
    • Related Report
      2018 Research-status Report
  • [Presentation] 弘前大学のトロンガス曝露装置開発技術の活用2018

    • Author(s)
      岩岡和輝, LJ Parad, E Enriquez, F dela Cruz, 細田正洋, 床次眞司
    • Organizer
      日本保健物理学会第51回研究発表会
    • Related Report
      2018 Research-status Report
  • [Book] 知の散歩シリーズ2 福島に学ぶ 放射線総合科学の展開を目指して(第一章 被ばくを調べるための放射線計測技術)2020

    • Author(s)
      細田正洋, 床次眞司
    • Total Pages
      170
    • Publisher
      弘前大学出版会
    • Related Report
      2019 Research-status Report
  • [Patent(Industrial Property Rights)] 放射性微粒子製造システムおよび放射性微粒子製造方法2018

    • Inventor(s)
      床次眞司
    • Industrial Property Rights Holder
      弘前大学
    • Industrial Property Rights Type
      特許
    • Filing Date
      2018
    • Related Report
      2019 Research-status Report
    • Overseas

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Published: 2018-10-12   Modified: 2023-01-30  

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