Bluing Reagent (BRT500, BRT999, BRT3800)

Summary Protocol:
Stain with hematoxylin according to protocol. Place in Bluing Reagent until nuclei are blue (1-2 minutes).

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Description

Bluing Reagent may be used following hematoxylin to “blue” or alter the shade of hematoxylin from a purple to blue. Nuclei: Purple. Nuclei after Bluing: Blue. Blue nuclei after Eosin: Blue to Violet. A pH-controlled solution for complete and effective bluing of hematoxylin in histological and cytological procedures. Hematoxylin is a nuclear stain that is used as a counterstain for immunohistochemistry. Together with eosin, it forms the hematoxylin stain (H&E stain), one of the most commonly used stains in histology.