Metachromatic dye | definition of metachromatic dye by Medical dictionary
metachromatic dye A dye—e.g., methylene blue, toluidine blue, safranine—capable of staining tissues with colours that differ from the dye itself.
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References in periodicals archive
Toluidine blue which is considered a basic metachromatic dye
with high affinity towards acidic tissues, stains the nuclei dark blue and the polysaccharides violet because of its strong binding capacity towards the nuclear material (DNA) in the nucleus and (RNA) in the cytoplasm (Sridharan & Shankar, 2012).
toluidine blue, which stains nuclear material in dysplastic epithelium, is widely used for screening of potentially malignant lesions.
Toluidine blue is a metachromatic dye
, which stains basophils and is helpful in identifying the basophilic differentiation in myeloid blasts.
Toluidine blue dye is an acidophilic metachromatic dye
of the thiazine group.