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Development of biomineral materials for strontium removal

Research Project

Project/Area Number 16K21604
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Nuclear engineering
Environmental engineering and reduction of environmental burden
Research InstitutionJapan Atomic Energy Agency

Principal Investigator

Sekine Yurina  国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 原子力科学研究所 物質科学研究センター, 研究職 (00636912)

Research Collaborator Kozai Naofumi  
Nankawa Takuya  
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Keywords吸着材 / アパタイト / 骨 / 選択的吸着 / ストロンチウム / 吸着 / 選択性 / 高分子 / ナノ粒子 / 吸着材料 / 中性子線
Outline of Final Research Achievements

Since the accident at the Fukushima-Daiichi nuclear power plant (FNPP) in 2011, there has been an immense need for novel ways to remove radioisotopes from contaminated water. In this research project, we have focused on apatite-based materials for applying as a strontium-90 (90Sr) absorbent. First, we have investigated correlation between nano-scale structure of materials and their absorptivity for target ion. As a result, it was found that there are specific sorption sites in Ca-deficient hydroxyapatite where Sr2+ is stably and preferentially immobilized. We also developed bio-apatite materials derived from livestock bones that can be applied to FNPP site as a absorbent material with low cost and high efficiency.

Academic Significance and Societal Importance of the Research Achievements

福島第一原発事故以降、放射性物質の安全な除去及び拡散防止は重要な課題の一つである。発生した放射性物質のうち、セシウム等については有用な吸着剤が見出されつつあるが、ストロンチウムについては競合するカルシウムイオンとの区別が困難であることなどから有用な除去、拡散防止法の確立について未だ発展の余地がある状態である。本研究では、ストロンチウム吸着能を有するアパタイト材料に着目して新規な吸着材料の実現を目指して研究を行ってきた。結果、ナノスケールでの結晶構造を制御することによりストロンチウムに対して選択性を有する材料を実現した。また家畜骨を利用してコスト面、性能面で優れた材料も実現した。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (7 results)

All 2019 2018 2017 2016

All Journal Article (2 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 2 results,  Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (3 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results) Patent(Industrial Property Rights) (2 results)

  • [Journal Article] Super‐Absorbent Polymer Valves and Colorimetric Chemistries for Time‐Sequenced Discrete Sampling and Chloride Analysis of Sweat via Skin‐Mounted Soft Microfluidics2018

    • Author(s)
      S. B. Kim, Y. Zhang, S. M. Won, A. J. Bandodkar, Y. Sekine, Y. Xue, J. Koo, S. W. Harshman, J. A. Martin, J. Min Park, T. R. Ray, K. E. Crawford, K. T. Lee, J. Choi, R. L. Pitsch, C. C. Grigsby, A. J. Strang, Y. Chen, S. Xu, J. Kim, A. Koh, J. Sook Ha, Y. Huang, S. W. Kim, J. A. Rogers
    • Journal Title

      Small

      Volume: 14 Issue: 12 Pages: 1703334-1703334

    • DOI

      10.1002/smll.201703334

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Calcium-deficient hydroxyapatite as a potential sorbent for strontium2017

    • Author(s)
      Yurina Sekine et al
    • Journal Title

      Scientific Reports

      Volume: 印刷中

    • NAID

      120006368157

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] コントラスト変調中性子小角散乱法による種々のナノゲルの内部構造評価2016

    • Author(s)
      関根由莉奈、遠藤仁、H. William、秋吉一成
    • Organizer
      第16回中性子科学会年会
    • Place of Presentation
      名古屋大学 豊田講堂(愛知県名古屋市)
    • Year and Date
      2016-12-01
    • Related Report
      2016 Research-status Report
  • [Presentation] Nanoscopic structure of nanogels formed from self-associating polymers2016

    • Author(s)
      Yurina Sekine
    • Organizer
      Energy Materials Nanotechnology Meeting on Hydrogel Materials
    • Place of Presentation
      Singapore
    • Year and Date
      2016-05-10
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 中性子線を利用した天然多糖・無機物由来の機能性材料開発2016

    • Author(s)
      関根由莉奈
    • Organizer
      日本原子力学会北関東支部若手研究者発表会
    • Place of Presentation
      東海会館(茨城県那珂郡東海村)
    • Related Report
      2016 Research-status Report
  • [Patent(Industrial Property Rights)] 炭酸基高含有炭酸アパタイト2019

    • Inventor(s)
      関根由莉奈、南川卓也、香西直文
    • Industrial Property Rights Holder
      関根由莉奈、南川卓也、香西直文
    • Industrial Property Rights Type
      特許
    • Filing Date
      2019
    • Related Report
      2018 Annual Research Report
  • [Patent(Industrial Property Rights)] 炭酸アパタイトの製造方法2019

    • Inventor(s)
      関根由莉奈、南川卓也、香西直文
    • Industrial Property Rights Holder
      関根由莉奈、南川卓也、香西直文
    • Industrial Property Rights Type
      特許
    • Filing Date
      2019
    • Related Report
      2018 Annual Research Report

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Published: 2016-04-21   Modified: 2021-12-27  

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