Sirius Red
Sirius Red F 3B is an azo dye primarily used in staining methods for collagen and amyloid. It has the molecular formula C45H26N10Na6O21S6.
In histology, sirius red staining is used in various domains of diagnostic to observe fibrosis levels in a lot of cases of inflammation induced by cancer, vascular or metabolic pathologies.
In bright field microscopy the following can be observed:
