A sputum stain for Mycobacteria is a laboratory test performed on a sample of your sputum, or phlegm. It’s also known as an acid-fast bacillus (AFB) stain or a tuberculosis (TB) smear. A doctor ...

What is a sputum Gram’s stain? A sputum Gram’s stain is a laboratory test that allows your doctor to diagnose a bacterial infection in your respiratory tract. They may order it if you have symptoms of ...

Background. Nucleic acid amplification tests are sensitive and specific for identifying Mycobacterium tuberculosis in sputum smear–positive populations, but they are less sensitive in sputum ...

A streamlined approach to tuberculosis (TB) diagnosis requiring a single sputum sample and providing rapid, accurate results to patients proved feasible in rural Uganda, according to research ...

Biological samples come in all shapes and sizes, for example, tough and fibrous plants, hard bones, soft muscles, tough and viscous sputum, or tumor or liver tissue. In addition, there are millions of ...