The stain used to detect amyloid is?
Ans. (b) Congo redRef: Robbin's pathology 9th ed. 1257* In biochemistry and histology, Congo red is used to stain microscopic preparations especially as a cytoplasm and erythrocyte stain.* Apple-green birefringence of Congo red stained preparations under polarized light is indicative for the presence of amyloid fibrils.* Additionally, Congo Red is used in microbiological epidemiology to rapidly identify the presence of virulent serotype 2A ShigellaFlexneri, where the dye binds the bacterium's unique lipopolysaccharide (LPS) structure
Grams stain
Congo red
Oil red O
Reticulin stain
Histo Pathology