diazo reaction

di·a·zo re·ac·tion

the reaction of diazotized sulfanilic acid with bilirubin to form azobilirubin, which forms the basis of quantitating the amount of bilirubin in biologic fluids. See: van den Bergh test.
Synonym(s): Ehrlich diazo reaction

diazo reaction

(dī-ăz′ō)
A deep red color in urine, produced by the action of p-diazobenzene-sulfonic acid and ammonia on aromatic substances found in the urine in certain conditions.
Mentioned in ?
References in periodicals archive ?
The diazo reaction of bilirubin and bilirubin diglucuronide.
Total or neonatal bilirubin assays in the Vitros 5,1 FS: hemoglobin interference, hemolysis, icterus index
3) published a method for measuring total serum bilirubin and its fractions by use of bilirubin oxidase (BO) and the diazo reaction.
Determination of the sum of bilirubin sugar conjugates in plasma by bilirubin oxidase
3) identified novel oxidative metabolites of bilirubin in human urine as substances that are recognized by an anti-bilirubin monoclonal antibody, 24G7, but are negative in the diazo reaction.
Urine concentration of biopyrrins: a new marker for oxidative stress in vivo
05 mL), and Fast Violet B salt, 3 mg; a principle of this procedure is the diazo reaction.
Characterization of the aspartate aminotransferase-immunoglobulin M complex in a Japanese woman
To test the possibility of a diazo reaction with etoposide, we added increasing amounts of etoposide to a control urine and measured the apparent VMA.
Apparent positive interference from an etoposide metabolite, but not etoposide, in measuring urinary vanillylmandelic acid

Medical browser ?
Full browser ?