alcian blue


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alcian blue

[′al·shən ′blü]
(materials)
A copper phthalocyanin derivative used as a stain for connective tissue mucins and a number of epithelial mucins and as a gelling agent for lubricating fluids.
References in periodicals archive ?
Las laminas fueron coloreadas con hematoxilina eosina y alcian blue.
PAS and Alcian blue stain were useful to differentiate adenocarcinoma, mucinous adenocarcinoma and signet ring cell carcinoma.
Also, the examination of Alcian blue stained sections showed the decreased number of goblet cells in jejuna villi of mice infected with E.
Cytoplasmic borders are difficult to identify, and special staining with Alcian blue dye will highlight the mucopolysaccharides abundant in this tumor type.
9,11) Myxoid malignant fibrous histiocytoma can stain positive for Alcian blue, like conjunctival myxomas, but it can be distinguished by its prominent vascular structures and abundant pleomorphic nuclei.
Alcian Blue stain was used for 10um-thick sections to demonstrate proteoglycan content.
Positive staining in the luminal cells for alcian blue, colloidal iron, and periodic acid-Schiff (PAS) which is diastase resistant favor the apocrine differentiation of this tumor.
In the result of the AF-AB reaction, mucous cells displayed a blue color (299C) caused by a reaction with alcian blue.
Mucous cells can be sparse or inconspicuous, but their presence is required for a diagnosis; special stains for mucin--such as mucicarmine or alcian blue (figure 3)--might be needed to identify them.
The neoplastic cells stained positively for mucicarmine (acid and neutral mucin), alcian blue (acid mucin), and alcian blue PAS (acid and neutral mucin) and exhibited a positive diastase-resistaut PAS reaction.