nigrosine

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ni·gro·sin

, nigrosine (nī'grō-sin, -sēn), [C.I. 50420]
A variable mixture of blue-black aniline dyes; used as a histologic stain for nervous tissue and as a negative stain for studying bacteria and spirochetes; also used to discriminate between live and dead cells in dye-exclusion staining.

nigrosine

(nī′grə-sēn′, -sĭn) or ni·gro·sin (-sĭn)
n.
Any of a class of aniline dyes that vary from blue to black and are used as stains for nervous tissue and as a negative stain for bacteria and spirochetes.

ni·gro·sin

, nigrosine (nī'grō-sin, -sēn)
[CI 50420] A mixture of blue-black aniline dyes used as a histologic stain for nervous tissue and as a negative stain for studying bacteria and spirochetes; also used to discriminate between live and dead cells in dye-exclusion staining.
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