fast green FCF
Pronunciation: fast grēn
Definition: An acid arylmethane dye widely used in histology and cytology and less subject to fading than light green FCF that it has replaced in many procedures; used as a quantitative cytochemical stain for histones at alkaline pH after acid extraction of DNA, and also in electrophoresis as a protein stain.
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Examples: glitazone, GI cocktail, etc.