Schiff's reagent

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Schiff's reagent

 (shĭfs)
n.
An aqueous solution of a rosaniline dye and sulfurous acid used as a biological stain and in testing for the presence of aldehydes.

[After Hugo Schiff (1834-1915), German chemist.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Patel, JS, Harshad, A, "Study on Novel Epoxy Based Poly (Schiff Reagent)s." Int.
After electrophoresis, gels were stained either with Coomassie brilliant blue (CBB) to detect total proteins or with Schiff reagent to detect glycoproteins as described previously (Neville Jr and Glossmann, 1974.).
Tissue glycoproteins of the gut diverticula and the ducts of silk glands were resistant to diastase digestion and required periodic acid hydrolysis to localize reaction products with the Schiff reagent for aldehydes.