Special Stains
Special Stains Alcian Blue/pH 2.5: stains both sulfated and carboxylated acid mucopolysaccharides and sulfated and carboxylated sialomucins (glycoproteins). Alcian Blue/PAS: Acidic mucosubstances are stained with the alcian blue technique and neutral mucosubstances are stained by the PAS reaction. AFB (Ziehl-Neelsen): for the demonstration of acid-fast organisms. Argentaffin Granules, Fontana-Masson: for the demonstration of argentaffin substances such as melanin, argentaffin […]