neutral red

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: toluylene red.

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neutral red n a basic phenazine dye used chiefly as a biological stain and acid-base indicator

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a basic red fluorochrome dye used as a pH indicator with a range of 6.8 (red) to 8 (yellow) and as a stain, particularly for supravital staining of granules and vacuoles.

Medical dictionary. 2011.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • Neutral red — IUPAC name toluylene red …   Wikipedia

  • 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

  • neutral red — noun Date: 1890 a basic dye used chiefly as a biological stain and acid base indicator …   New Collegiate Dictionary

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