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Development of Nano-sized calcium molybdate synthesis using liposome as a template

Research Project

Project/Area Number 15K18315
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Nuclear engineering
Research InstitutionUniversity of Tsukuba

Principal Investigator

YAMASAKI Shinya  筑波大学, 数理物質系, 助教 (70610301)

Research Collaborator KURITA Saori  
Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywordsリポソーム / ナノ粒子 / テクネチウムジェネレーター / モリブデンナノ粒子 / 卵黄ホスファチジルコリン / モリブデン / 結晶成長 / ミネラリゼーション / モリブデン酸カルシウム / 昇華法
Outline of Final Research Achievements

The CaMoO4 nanocrystals on the liposome interface was successfully formed by adding the calcium ion. The CaMoO4 formation process was examined using liquid phase analysis and solid phase analysis. The CaMoO4 formation on the liposome was also confirmed by negative staining TEM images. The calcium ion concentration controlled the liposome aggregation. The liposome aggregation may results in the enhancement of CaMoO4 crystal growth at the interface of the liposome aggregates. The reaction time is also important for the formation of smaller CaMoO4 particles. Accordingly, it is better to shorten the reaction time to make a small particle on liposome interface (<5 minutes), and to use lower calcium concentration for prevention of liposome aggregation (<2.5 mmol dm-3). The particle size of obtained CaMoO4 was about 10 nm and this particle can be used for the neutron irradiation to make technetium efficiently.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (9 results)

All 2018 2017 2016 2015

All Journal Article (3 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 3 results,  Open Access: 3 results,  Acknowledgement Compliant: 2 results) Presentation (6 results) (of which Int'l Joint Research: 2 results,  Invited: 2 results)

  • [Journal Article] Effect of flavin compounds on uranium(VI) reduction- kinetic study using electrochemical methods with UV-vis spectroscopy.2017

    • Author(s)
      Shinya Yamasaki, Kazuya Tanaka, Naofumi Kozai, Toshihiko Ohnuki
    • Journal Title

      Applied Geochemistry

      Volume: 78 Pages: 279-286

    • DOI

      10.1016/j.apgeochem.2017.01.014

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Electrochemical Control of Bioluminescence by Blocking the Adsorption of the Bacterial Luciferase Using a Mercaptobipyridine Self-assembled Monolayer2017

    • Author(s)
      S Yamasaki, S Yamada, H Takemura, K Takehara
    • Journal Title

      Analytical Sciences

      Volume: 33 Pages: 307-311

    • NAID

      130005439437

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Radioactive Cs in the estuary sediments near Fukushima Daiichi Nuclear Power Plant2016

    • Author(s)
      S Yamasaki, J Imoto, G Furuki, A Ochiai, T Ohnuki, K Sueki, K Nanba, R C. Ewing, S Utsunomiya
    • Journal Title

      Science of the Total Environment

      Volume: 551 Pages: 155-162

    • DOI

      10.1016/j.scitotenv.2016.01.155

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Presentation] リポソームをテンプレートに用いたモリブデン酸カルシウムの合成とその反応機構2018

    • Author(s)
      栗田 紗緒里; 山﨑 信哉; 坂口 綾; 末木 啓介; 宇都宮 聡
    • Organizer
      日本化学会第98春季年会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 球状リン脂質二重膜を用いた核医学診断用99Mo材料の合成法の検討と物性評価2017

    • Author(s)
      栗田 紗緒里; 山﨑 信哉; 落合 朝須美; 宇都宮 聡; 坂口 綾; 末木 啓介
    • Organizer
      2017年放射化学会年会・第61回放射化学討論会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 天然水中のヨウ素の存在状態解明に向けた電気化学的手法の基礎的検討2016

    • Author(s)
      山﨑 信哉; 田中 万也; 本多 真紀; 末木 啓介
    • Organizer
      2016年度日本地球化学会年会
    • Place of Presentation
      大阪府大阪市 大阪市立大学
    • Year and Date
      2016-09-14
    • Related Report
      2016 Research-status Report
  • [Presentation] Effect of redoxactive organic compounds on extraceller uranium (VI) reduction by using electrochemical methods2016

    • Author(s)
      Shinya Yamasaki, Naofumi Kozai, Kazuya Tanaka, Toshihiko Ohnuki
    • Organizer
      Goldschmidt2016
    • Place of Presentation
      神奈川県横浜市 パシフィコ横浜
    • Year and Date
      2016-06-26
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Effect of redoxactive organic compounds on extraceller uranium (VI) reduction by usin g electrochemical methods2016

    • Author(s)
      SHINYA YAMASAKI, NAOFUMI KOZAI, KAZUYA TANAKA, TOSHIHIKO OHNUKI
    • Organizer
      Goldschmidt2016
    • Place of Presentation
      パシフィコ横浜(神奈川県横浜市)
    • Year and Date
      2016-06-26
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 汚染土壌からの放射性セシウム脱離に対する低分子量有機物の影響2015

    • Author(s)
      山﨑 信哉; 末木 啓介; 宇都宮 聡
    • Organizer
      2015年度日本地球化学会第62回年会
    • Place of Presentation
      横浜国立大学(神奈川県横浜市)
    • Year and Date
      2015-09-16
    • Related Report
      2015 Research-status Report

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Published: 2015-04-16   Modified: 2019-03-29  

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