Alcian blue
Pronunciation: al′sē-an blū
Definition: A complex phthalocyanin dye used as a stain to distinguish sulfomucins from sialomucins and uronic acid mucins, to demonstrate sulfated polysaccharides, and to detect glycoproteins in electrophoresis; often used in combination with periodic acid-Schiff or aldehyde fuchsin.
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Examples: glitazone, GI cocktail, etc.
