Bacteriologist Interview Question:

Tell us what Is Polychrome Methylene Blue?

Submitted by: Muhammad

LoetTler's methylene blue solution treated with Potassium hydroxide turns into Polychrome methylene blue after prolonged storage with shaking. Used in McFadyean's reaction for Bacillus anthracis in blood films and demonstration of metachromatic granules of Corynebacterium diphtheriae.
Submitted by: Muhammad