Your doctor can order this test to find out if you have tuberculosis (TB) or another type of bacterial infection. TB was very common at one time. However, it’s now rare in the United States. According ...

Cover the smear with carbolfuchsin dye. Carbolfuchsin a potential carcinogen. Please wear gloves and work with the stain in the hood. Place a piece of paper towel on top of the dye. Be sure the paper ...

Your doctor may use an acid-fast bacteria (AFB) stain test to see if you have a lung disease like tuberculosis (TB). In addition to showing tuberculosis, an AFB stain can also show if you have another ...

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 ...