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Micrometer-sized Analytical System Using Self-Propelled Droplets

Research Project

Project/Area Number 25620105
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Analytical chemistry
Research InstitutionThe University of Tokyo

Principal Investigator

TOYOTA Taro  東京大学, 総合文化研究科, 准教授 (80422377)

Project Period (FY) 2013-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywordsエマルション / マイクロ流路デバイス / 自己駆動 / 非平衡系
Outline of Final Research Achievements

The future plan of this study is construction of highly portable microfluidic analytical system. For this goal, we have aimed at using self-propelled oil droplets in the system. When this analytical device is constructed with full comprehension about the mechanism of the self-propelled motion, it is worthwihle for the application of highly portable analytical device with less (or almost zero) external electric power. We found that the derivatives of water-insoluble benzaldehyde formed micrometer-sized oil droplets in a cationic surfactant solution which filled with a microfluidic chip and it exhibited self-propelled motion over 1 h. Moreover, the oil droplets had a potential to response to a gradient of the cationic surfactant concentration or chemical conversion of reactive surfactants.

Report

(3 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • Research Products

    (4 results)

All 2014 2013

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Acknowledgement Compliant: 1 results) Presentation (3 results) (of which Invited: 1 results)

  • [Journal Article] pH-Induced Motion Control of Self-Propelled Oil Droplets Using a Hydrolyzable Gemini Cationic Surfactant2014

    • Author(s)
      Shingo Miura, Taisuke Banno, Taishi Tonooka, Toshihisa Osaki, Shoji Takeuchi, Taro Toyota
    • Journal Title

      Langmuir

      Volume: 30 Issue: 27 Pages: 7977-7985

    • DOI

      10.1021/la5018032

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Autonomous Motion of Oil-in-Water Droplets in Solution of Biodegradable Cationic Surfactants2014

    • Author(s)
      Taisuke Banno, Shingo Miura, Taro Toyota
    • Organizer
      1st Asian Conference on Oleo Science
    • Place of Presentation
      Royton Sapporo Hotel (札幌,北海道)
    • Year and Date
      2014-09-08 – 2014-09-09
    • Related Report
      2014 Annual Research Report
  • [Presentation] カチオン界面活性剤水溶液中で駆動する油滴の運動制御2013

    • Author(s)
      三浦真吾, 伴野太祐, 豊田太郎
    • Organizer
      第64回コロイドおよび界面化学討論会
    • Place of Presentation
      名古屋工業大学
    • Related Report
      2013 Research-status Report
  • [Presentation] 水中を駆動する細胞サイズの分子集合体の運動モード2013

    • Author(s)
      豊田太郎, 伴野太祐
    • Organizer
      第64回コロイドおよび界面化学討論会
    • Place of Presentation
      名古屋工業大学
    • Related Report
      2013 Research-status Report
    • Invited

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Published: 2014-07-25   Modified: 2019-07-29  

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