Enzyme-Linked Competitive Binding Assays Based on the Biotin/Avidin Interaction

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抄録

The strong interaction between biotin and avidin is utilized for the development of enzyme-linked competitive binding assays not only for biotin itself, but also for other biomolecules. Alkaline phosphatase, a single substrate enzyme typically used for heterogeneous types of competitive binding assays, is employed also for homogeneous types. For the biotin assay, the heterogeneous protocol offers a much improved detection capability when compared to the homogeneous type. A simple approach of simulating dose-response curves is introduced. An effective analyte concentration attached to an enzyme label is determined by using the same binder, but with a different enzyme label. The analyte system adapted to the biotin/avidin-mediated homogeneous protocol is digoxin and a monoclonal anti-digoxin antibody. The detection capabilities of these assays, particularly the homogeneous types, are shown to be limited by the detectability of the enzyme conjugate employed.

収録刊行物

  • Analytical sciences : the international journal of the Japan Society for Analytical Chemistry

    Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 15(4), 343-347, 1999-04

    社団法人 日本分析化学会

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各種コード

  • NII論文ID(NAID)
    10002419361
  • NII書誌ID(NCID)
    AA10500785
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09106340
  • NDL 記事登録ID
    4712399
  • NDL 雑誌分類
    ZP4(科学技術--化学・化学工業--分析化学)
  • NDL 請求記号
    Z54-F482
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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