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2008 Fiscal Year Final Research Report

Development of a highly sensitive sensing technique using a nanoparticle hybrid array

Research Project

  • PDF
Project/Area Number 19350043
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Analytical chemistry
Research InstitutionOsaka Prefecture University

Principal Investigator

TSUTOMU Nagaoka  Osaka Prefecture University, 産学官連携機構, 教授 (00172510)

Co-Investigator(Renkei-kenkyūsha) SHIIGI Hiroshi  大阪府立大学, 産学官連携機構, 准教授 (70335769)
Project Period (FY) 2007 – 2008
Keywords金ナノ粒子 / DNA / 脱蛍光技術 / 電気抵抗検出 / ナノ粒子アレイ
Research Abstract

金ナノ粒子を1 nm程度の間隔で配列した2次元アレイを作製し, 電流検出型DNAセンサに応用した。50 nmの金ナノ粒子からなるアレイを作製し, その上にDNAを修飾した2 nmプローブ金ナノ粒子を配置した。このアレイで起こるDNAのハイブリッド化を電流測定により検討した。その結果, 50 fmolまでのDNA量の検出が可能であり, 1塩基ミスマッチも高選択的に検出することができた。

  • Research Products

    (9 results)

All 2008 2007 Other

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (2 results) Book (2 results) Remarks (1 results)

  • [Journal Article] Label-Free DNA Detection Based on Opening Bridge Structured Gold-Nanoparticle Array2008

    • Author(s)
      S. Tokonami, H. Shiigi, T. Nagaoka
    • Journal Title

      Anal. Chem 80

      Pages: 8071-8075

    • Peer Reviewed
  • [Journal Article] Label-free DNA Detection of Nano-Gapped Gold Nanoparticle Array Electrode2008

    • Author(s)
      S. Tokonami, H. Shiigi, T. Nagaoka
    • Journal Title

      J. Electrochem. Soc 155

      Pages: J105-J109

    • Peer Reviewed
  • [Journal Article] Praparation of Nano-Gapped Gold Nanoparticle Array For DNA detection2008

    • Author(s)
      S. Tokonami, H. Shiigi, T. Nagaoka
    • Journal Title

      Electroanalysis 20

      Pages: 355-360

    • Peer Reviewed
  • [Journal Article] 「金ナノ粒子を利用する増感化学センサー技術」2007

    • Author(s)
      長岡勉
    • Journal Title

      分析化学 56

      Pages: 201-212

    • Peer Reviewed
  • [Presentation] Electrical DNA detection with gold nanoparticle arrays2008

    • Author(s)
      T. Nagaoka
    • Organizer
      REMSEA 2008
    • Place of Presentation
      Singapore
    • Year and Date
      2008-08-05
  • [Presentation] A nanoparticle-array detector based on optical and conductivity observation2007

    • Author(s)
      T. Nagaoka
    • Organizer
      14th International Conference on Flow Injection Analysis
    • Place of Presentation
      Berlin
    • Year and Date
      2007-09-06
  • [Book] 「産学官連携活動の実際第13章」2008

    • Author(s)
      長岡勉(分担執筆)
    • Total Pages
      177-188
    • Publisher
      中央経済社
  • [Book] " Gold Nano Films Synthesis, Characterization, and Potential Biomedical Applications," Nanomaterials for the Life Sciences,(Ed. Dr. Challa S. S. Rl. Kumar)

    • Author(s)
      S. Tokonami, H. Shiigi, T. Nagaoka
    • Publisher
      Wiley-VCH(in press)
  • [Remarks]

    • URL

      http://tokachi.riast.osakafu-u.ac.jp/%7Esentan1/home.html

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Published: 2010-06-10   Modified: 2016-04-21  

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