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DNA-conjugated stimuli-responsive material for fabrication of molecular recognition gating membrane

Research Project

Project/Area Number 15K06576
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Biofunction/Bioprocess
Research InstitutionTokyo Institute of Technology

Principal Investigator

TAMAKI Takanori  東京工業大学, 科学技術創成研究院, 准教授 (80567438)

Research Collaborator KOYANAGI Fusae  
Project Period (FY) 2015-10-21 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords分子認識材料 / DNA / 核酸 / アプタマー / 感温性ポリマー / バイオセンサー / G四重鎖
Outline of Final Research Achievements

DNA-conjugated stimuli-responsive materials coordinate the molecular recognition properties of DNA and actuator properties of thermoresponsive polymer, poly(N-isopropylacrylamide) (pNIPAM). In some specific conditions, DNA-pNIPAM changes its dispersion state in response to whether conjugated DNA is single-stranded (ss) or double-stranded (ds). Under the condition where entropic repulsion controls the aggregation behavior of the conjugate, the aggregation was controlled by whether the dangling end of dsDNA had a specific structure (e.g. G-quadruplex) or not. Then, this property was combined with the molecular recognition of a DNA aptamer. The target protein, thrombin, bound to DNA-pNIPAM, and this binding changed the aggregation behavior of the conjugate.

Report

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

    (8 results)

All 2017 2016 2015

All Presentation (8 results) (of which Int'l Joint Research: 3 results,  Invited: 4 results)

  • [Presentation] バイオ燃料電池の高出力化へ向けたカーボン材料への酵素吸着特性評価2017

    • Author(s)
      西ヶ谷龍太郎、田巻孝敬、王宇楠、横井俊之、山口猛央
    • Organizer
      化学工学会第82年会
    • Place of Presentation
      芝浦工業大学 豊洲キャンパス
    • Year and Date
      2017-03-06
    • Related Report
      2016 Research-status Report
  • [Presentation] カーボン微粒子へのグラフト重合を用いた高出力密度バイオ燃料電池の開発2017

    • Author(s)
      田巻孝敬
    • Organizer
      第8回 マイクロカプセル研究会講演会 (東京大会) ~機能性材料プロセシングに関する基礎から応用まで~
    • Place of Presentation
      東京工業大学キャンパス・イノベーションセンター
    • Year and Date
      2017-01-18
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] 生体材料を用いた材料システム設計2017

    • Author(s)
      田巻孝敬
    • Organizer
      化学工学会第49回秋季大会
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Systematic Material Design of Enzymatic Biofuel Cells2017

    • Author(s)
      Takanori Tamaki
    • Organizer
      MIRAI Seminar 2017
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Systematic Material Design for Enzymatic Biofuel Cells2017

    • Author(s)
      Takanori Tamaki
    • Organizer
      2017 AIChE Annual Meeting
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Evaluation of Enzyme Adsorbed on Mesoporous Carbon for High-Power-Density Biofuel Cells2016

    • Author(s)
      Ryutaro Nishigaya, Takanori Tamaki, Yunan Wang, Toshiyuki Yokoi and Takeo Yamaguchi
    • Organizer
      12th Japan-Korea Symposium on Materials & Interfaces
    • Place of Presentation
      Gotemba Kogen Resort in Shizuoka
    • Year and Date
      2016-11-02
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] 高出力密度バイオ燃料電池の開発に向けたメソポーラスカーボンへの酵素吸着特性評価2016

    • Author(s)
      西ヶ谷龍太郎、田巻孝敬、王宇楠、横井俊之、山口猛央
    • Organizer
      化学工学会第48回秋季大会
    • Place of Presentation
      徳島大学 常三島キャンパス
    • Year and Date
      2016-09-06
    • Related Report
      2016 Research-status Report
  • [Presentation] 生体分子を用いた材料機能システム設計2015

    • Author(s)
      田巻孝敬
    • Organizer
      化学工学会群馬大会2015
    • Place of Presentation
      桐生市民文化会館
    • Year and Date
      2015-11-27
    • Related Report
      2015 Research-status Report
    • Invited

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Published: 2015-10-21   Modified: 2019-03-29  

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