- neutral stain
- neutral stain n NEUTRAL DYE
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a compound that combines an acid dye and a basic dye, the cation and anion of the resulting salt each having a different color.
Medical dictionary. 2011.
neutral stain
Look at other dictionaries:
neutral stain — noun : neutral dye 2 … Useful english dictionary
neutral dye — n a salt formed by interaction of an acid dye (as eosin) and a basic dye (as methylene blue) called also neutral stain … Medical dictionary
neutral dye — noun 1. : a dye capable of dyeing fibers (as cotton) directly in a neutral or faintly alkaline bath 2. : a salt formed by interaction of an acid dye (as eosin) and a basic dye (as methylene blue) called also neutral stain … Useful english dictionary
Neutral red — IUPAC name toluylene red … Wikipedia
stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… … Medical dictionary
neutral red — Used as an indicator (red at pH 6.8, yellow at 8.0), as a vital dye to stain granules and vacuoles in living cells, in testing the secretion of acid by the stomach (given with a test meal), and in general histologic staining. SYN … Medical dictionary
stain — 1) n. a dye used to colour tissues and other specimens for microscopical examination. In an acid stain the colour is carried by an acid radical and the stain is taken up by parts of the specimen having a basic (alkaline) reaction. In a basic… … The new mediacal dictionary
neutral red — noun Date: 1890 a basic dye used chiefly as a biological stain and acid base indicator … New Collegiate Dictionary
neutral red — noun 1. sometimes capitalized N&R : a basic phenazine dye used chiefly as a biological stain and acid base indicator 2. : a dark red to purplish red that is lighter and stronger than plum violet or sultana and paler than wild cherry … Useful english dictionary
Periodic acid-Schiff stain — Periodic acid Periodic acid Schiff (PAS) is a staining method used to detect glycogen and other polysaccharides in tissues. The reaction of periodic acid oxidizes the diol functional groups in glucose and other sugars, creating aldehydes that… … Wikipedia
