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Medical Term:

Kasten fluorescent Schiff reagents

Pronunciation: kas′tĕn

Definition: fluorescent analogs of Schiff reagent that are fluorescent basic dyes lacking acidic side groups and containing one or more primary amine groups; used in cytochemical detection of DNA in Kasten fluorescent Feulgen stain, polysaccharides in Kasten fluorescent periodic acid–Schiff stain, and proteins in the ninhydrin-Schiff stain; such analogues include acriflavine, auramine O, and flavophosphine N.