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Toluidine Blue |
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blue (bloo)
1. a color between green and indigo, produced by energy with wavelengths between 420 and 490 nm. 2. a dye or stain with this color. aniline blue a mixture of the trisulfonates of triphenyl rosaniline and of diphenyl rosaniline. brilliant cresyl blue an oxazin dye, usually C15H16N3OCl, used in staining blood. methylene blue dark green crystals or crystalline powder with a bronzelike luster; used in the treatment of methemoglobinemia and of cyanide poisoning, and as a bacteriologic stain and an indicator. Prussian blue an amorphous blue powder, Fe4[Fe(CN)6]3, used as a stain. toluidine blue , toluidine blue O the chloride salt or zinc chloride double salt of aminodimethylaminotoluphenazthionium chloride; useful as a stain for demonstrating basophilic and metachromatic substances. Toluidine Blue A toxic metachromatic thiazine dye used to stain ‘thick’ sections for electron microscopy, which may cause haematuria due to haemorrhagic cystitis and methaemoglobulinuria. Toluidine blue should be avoided by patients with glucose-6-phosphate deficiency, given their risk of haemolytic anaemia
toluidine blue an antiheparin compound, used also as a biological stain. Called also tolonium chloride. toluidine blue test a screening test for mucopolysaccharidosis, e.g. Hurler's syndrome; filter paper impregnated with toluidine blue turns blue when moistened with urine containing excessive amounts of chondroitin sulfuric acid. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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