Carbol-Nachtblau Staining of Mycobacteria-Introduction, Principle, Clinical Significance, Advantage, Disadvantage, and Keynotes
Introduction Carbol-Nachtblau (Midnight Blue) staining is a modified acid-fast staining technique used for the visualization of Mycobacteria, particularly Mycobacterium tuberculosis. This method replaces the traditional counterstain (like methylene blue) with Nachtblau, producing a vivid contrast between blue background cells and bright red acid-fast bacilli (AFB), …