Congo red stain

Congo red stain

English-Korean animal medical dictionary. 2013.

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  • Congo red — IUPAC name sodium sodium 3,3 ([1,1 biphenyl] 4,4 diyl)bis(4 aminonaphthalene 1 sulfonate) …   Wikipedia

  • Congo red — An acid direct cotton dye, it is absorbed by amyloid and induces green fluorescence to amyloid in polarized light; used as a laboratory aid in the diagnosis of amyloidosis, as a histologic stain, and as an …   Medical dictionary

  • Congo red — Chem. a water soluble powder, C32H22O6N6S2Na2, one of the Congo colors that is not acid fast or lightfast: used chiefly as a dye, biological stain, and chemical indicator. [1880 85] * * * ▪ dyestuff       first of the synthetic dyestuffs of the… …   Universalium

  • Congo red — noun Etymology: Congo, territory in Africa Date: 1885 an azo dye C32H22N6Na2O6S2 that is red in alkaline and blue in acid solution and that is used especially as an indicator and as a biological stain …   New Collegiate Dictionary

  • Congo red — Naphthalene dye that is pH sensitive (blue violet at pH 3, red at pH 5). Used as vital stain, also in staining for amyloid …   Dictionary of molecular biology

  • Congo red — a dark red or reddish brown pigment that becomes blue in acidic conditions. It is used as a histological stain. Amyloidosis is indicated if over 60% of the dye disappears from the blood within one hour of injection …   The new mediacal dictionary

  • Congo red — Con′go red′ n. chem. a water soluble powder, C32H22O6N6S2Na2, used chiefly as a dye, biological stain, and chemical indicator • Etymology: 1880–85 …   From formal English to slang

  • 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

  • red — One of the primary colors, occupying the lower extremity of the spectrum at the other end from violet. For individual r. dyes, see specific name. [A.S. reád] * * * radiation experience data; rapid erythrocyte degeneration; repeat expansion… …   Medical dictionary

  • Oil Red O — Identifiers CAS number 1320 06 5 …   Wikipedia

  • Neutral red — IUPAC name toluylene red …   Wikipedia

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