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Separation method of microdroplet contents for high-throughput trace analysis

Research Project

Project/Area Number 16K17503
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Nano/Microsystems
Research InstitutionTohoku University

Principal Investigator

Fukuyama Mao  東北大学, 多元物質科学研究所, 助教 (40754429)

Project Period (FY) 2016-04-01 – 2020-03-31
Project Status Discontinued (Fiscal Year 2019)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2019: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2018: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywordsマイクロ分析 / マイクロ水滴 / 自然乳化 / 界面活性剤 / Droplet microfluidics / エマルション / マイクロ液滴
Outline of Final Research Achievements

Recently, water-in-oil microdroplets have been utilized for the biochemical trace analyses. In this study, the separation method for microdorplet water-soluble contents by using spontaneous emulsification was developed. The selectivity of the separation was controlled by the activity of water in the reverse micelles in the organic phase. In addition, activity assay of 5 fmol protease was demonstrated by utilizing this method.

Academic Significance and Societal Importance of the Research Achievements

本研究で得られた知見を活用すれば、界面活性剤溶液を流すだけで、多数のマイクロ水滴の同時分離・濃縮操作が可能になる。操作の簡便さより、この手法はマイクロ水滴を用いた高スループット分析の汎用的な分離・濃縮法になると考えている。また、本手法は酵素活性の測定だけではなく、miRNAやタンパク質の計測などへも応用可能であると考えている。これらの計測が実現すれば、将来的に、再生医療における1細胞レベルでの品質管理や、バイオマーカー探索・細胞間コミュニケーションの解析が可能となり、創薬・医療分野に多大な貢献ができると期待している。

Report

(4 results)
  • 2019 Final Research Report ( PDF )
  • 2018 Annual Research Report
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (3 results)

All 2019 2018 Other

All Int'l Joint Research (1 results) Presentation (2 results) (of which Int'l Joint Research: 1 results)

  • [Int'l Joint Research] Moscow State University(ロシア連邦)

    • Related Report
      2018 Annual Research Report
  • [Presentation] Control of the molecular transfer between microdroplets and nanodroplets in microfluidics2019

    • Author(s)
      Mao Fukuyama, Yumi Yoshida, Kohji Maeda, Akihide Hibara
    • Organizer
      Colloidal Science & Metamaterials
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] マイクロ水滴濃縮操作を用いたナノ粒子-分子相互作用の観察2018

    • Author(s)
      福山真央、周林、K. Lobko、M.A. Proskurnin、火原彰秀
    • Organizer
      化学とマイクロ・ナノシステム学会第39回研究会
    • Related Report
      2018 Annual Research Report

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Published: 2016-04-21   Modified: 2021-02-19  

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