Detection and Imaging of L-Glutamate Released from Mouse-Brain Slices with an Enzyme-Based Membrane

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A new and simple method for detecting and color imaging of <font size=-2>L</font>-glutamate released in mouse-brain slices is described based on an enzyme-coupling reaction. The method utilizes <font size=-2>L</font>-glutamate oxidase (GluOx) and horseradish peroxidase (HRP) immobilized in a bovine serum albumin (BSA)-glutaraldehyde matrix on a poly-<font size=-2>L</font>-lysine-coated glass cover slip. The enzymes are spontaneously and continuously supplied from the membrane into an extracellular solution of the brain slice placed on the membrane after dipping in a redox substrate (DA-64). The Bindschedler's Green (BG) converted from the DA-64 by the enzyme reaction gives green signals in the brain slice, which are related to the concentration of <font size=-2>L</font>-glutamate released in its regions. The first examples of color images for the spatial distribution of <font size=-2>L</font>-glutamate in the regions of adult mouse brain slices are demonstrated. The regions where the intense green signals were observed matched the reported distribution of mRNAs encoding the NMDA receptor in the mouse-brain slice.

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

    Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 16(1), 25-29, 2000-01-10

    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)
    10004704558
  • 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
    4966588
  • 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  CJP引用  NDL  J-STAGE 
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