積層型マイクロリアクターを用いた酵素免疫測定法による生体物質測定系の開発 Enzyme-Linked Immunosorbent Assay Using Vertical Micro Reactor Stack for the Detection of Biomolecules

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Microreactors and micro total analysis system (μTAS) are recognized as powerful tools for genomics, proteomics, clinical diagnostics, and environmental testing. In this paper, we describe enzyme linked immunosorvent assay (ELISA) using a new microreactor with a vertical fluid flow operation. This microreactor is composed of two reaction vessels stacked on the vertical lines through PMMA fluid filters (φ3mm). The fluid filters constructed by deep X-ray lithography possess 2,100 pores (φ 40 μm), and have valve functions, which maintain liquid layer in each reaction vessel. In addition, the liquid can be selectively transferred by air pressure from upper vessel to lower, and <i>vice versa.</i> As a model of ELISA using the microreactor, we planed to detect mouse immunoglobulin (IgG). We bound the goat anti-IgG antibody to the surface of the PMMA filters, and assayed the IgG by ELISA using anti-IgG antibody/ peroxidase conjugate. We found that the mouse IgG (100 ng/ml) was quantitatively detected within 45 min of analytical period, which was ca. 1/3 of the period required for the conventional method using micro titer plate.

収録刊行物

  • 電気学会論文誌. C, 電子・情報・システム部門誌 = The transactions of the Institute of Electrical Engineers of Japan. C, A publication of Electronics, Information and System Society

    電気学会論文誌. C, 電子・情報・システム部門誌 = The transactions of the Institute of Electrical Engineers of Japan. C, A publication of Electronics, Information and System Society 127(2), 204-209, 2007-02-01

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10018480527
  • NII書誌ID(NCID)
    AN10065950
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03854221
  • NDL 記事登録ID
    8668468
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-795
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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