DAB

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DAB

Abbreviation for 3'3-diaminobenzidine HCl; in the immunoperoxidase technique, used to produce a colored complex at the site of peroxidase activity.

diaminobenzidine

(dī″ă-mēn″ō-bĕn′zĭ-dēn″),

DAB

A chromogen, C12H14N4, used in immunocytochemistry to highlight peroxidase.
References in classic literature ?
I,' he took out his pocket-handkerchief again and dabbed his face.
Thereupon, the little dressmaker again dabbed out his eyes separately, and making a loop in the air of her thread and deftly catching it into a knot with her needle, seemed to bowstring him into the bargain.
Holmes walked across to the desk and dabbed a little ink from each bottle on to the blotting paper.