nigrosin, nigrosine

nigrosin, nigrosine
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.

Medical dictionary. 2011.

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  • Nigrosine —   [zu lateinisch niger »schwarz«], Singular Nigrosin das, s, schwarze Gemische von Phenazinfarbstoffen (Azinfarbstoffe), die aus Nitrobenzol und Anilin in Gegenwart von Eisen(II) chlorid und Salzsäure hergestellt werden. Die fettlöslichen… …   Universal-Lexikon

  • nigrosine — /nuy greuh seen , sin/, n. Chem. any of the class of deep blue or black dyes obtained by the oxidation of aniline, used as coloring agents in inks and shoe polishes and for dyeing leather, wood, textiles, and furs. Also, nigrosin /nuy greuh sin/ …   Universalium

  • nigrosin — noun see nigrosine …   Useful english dictionary

  • nigrozini — nigrozíni m mn <N nigròzīn, G nigrozína> DEFINICIJA kem. grupa crnih ili sivih indulina koji se rabe pri bojenju vune, svile, kože itd. ETIMOLOGIJA njem. Nigrosin engl. nigrosine ≃ lat. niger: crn, taman + oza + in …   Hrvatski jezični portal

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