In pathology, the Alcian blue stain is a popular staining method in histology. It is used to look for goblet cells. More specifically Blue Alcian stain will put sulfate or carboxyl acid mucopolyssacharides and sulfate or carboxyl sialomucines (or glycoprotiens) in evedance. It those this with a ionic link between itself and with rather a carboxyl or sulfate (as mentioned earlier) in a cell at the exception of the nuclei, certain theories have ben put into place to explain this but none have been proven. [1] The name Alcian is "probably coined by contraction (and slight alteration) of phthalocyanine."[2]
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