A Diazo Coupling Method for the Electron Microscopic Localization of Cholinesterase

نویسندگان

  • Gerard M. Lehrer
  • Leonard Ornstein
چکیده

The presence of cholinesterase at the myoneural junction of intercostal muscle has been demonstrated in both light and electron microscopic preparations. A new simultaneous diazo coupling technique using alpha-naphthyl acetate as substrate and "hexazonium pararosanilin" as coupler has been applied to cold formalin-fixed tissues. After postfixation in buffered osmium tetroxide the sites of esterase activity are faithfully demonstrated at a high level of resolution. The details of cholin-esterase distribution and some technical aspects of the procedure are discussed.

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عنوان ژورنال:
  • The Journal of Biophysical and Biochemical Cytology

دوره 6  شماره 

صفحات  -

تاریخ انتشار 1959