The acid-fast stain is a differential stain. Ziehl Neelsen Acid-fast stain. ACID-FAST STAIN : Cell Color: ... Counterstain: Methylene blue: RED: BLUE Step 2: Smear Preparation . Add one loopful of ...

After methylene blue was found to not only stain but actually kill one of the parasites that causes malaria, the dye took on a new life as a treatment for the mosquito-borne disease, ...

Methylene blue—also known as Methylthioninium chloride and basic blue 9—is an organic chloride salt that was first synthesized in 1876 by Heinrich Caro at Germany’s BASF company for use as a ...

Comparison of the mean lymph node harvest showed a highly significant difference between methylene blue-stained and unstained resections with average lymph node numbers of 27±7 and 14±4 ...