Although not necessarily needed in routine cases, capsule staining (ie, trypan blue) could be especially helpful in pseudoexfoliation syndrome (PEX). 1 Conceptually, the presence of the exfoliative ...

Recently we have done two differential stains, the Gram stain and the Acid Fast stain. Both stains differentiate between bacteria chemically. The two staining techniques of Lab 4 differentiate by ...