1.14: Acid-Fast Stain - Biology LibreTexts
Acid fast stain is a differential stain used to identify acid-fast organisms such as members of the genus Mycobacterium. Acid-fast microorganisms are characterized by wax-like, nearly impermeable cell walls; they contain mycolic acid and large …
Acid-Fast Stain- Principle, Procedure, Interpretation and Examples
2022年8月10日 · Principle of Acid-Fast Stain. When the smear is stained with carbol fuchsin, it solubilizes the lipoidal material present in the Mycobacterial cell wall but by the application of heat, carbol fuchsin further penetrates through lipoidal wall and enters into cytoplasm. Then after all …
Acid Fast Bacteria - StatPearls - NCBI Bookshelf
2023年8月7日 · Acid-fast bacteria, also known as acid-fast bacilli or simply AFB, are a group of bacteria sharing the characteristic of acid fastness. Acid fastness is a physical property that gives a bacterium the ability to resist decolorization by acids during staining procedures.
Ziehl–Neelsen stain - Wikipedia
The Ziehl-Neelsen stain, also known as the acid-fast stain, is a bacteriological staining technique used in cytopathology and microbiology to identify acid-fast bacteria under microscopy, particularly members of the Mycobacterium genus.
Acid-fastness - Wikipedia
The most common staining technique used to identify acid-fast bacteria is the Ziehl–Neelsen stain, in which the acid-fast species are stained bright red and stand out clearly against a blue background.
What is an Acid-Fast Stain Test? - Healthline
2019年1月24日 · An acid-fast stain test is a lab test performed on a sample of body fluid or skin tissue. This test can determine if you have TB or another infection.
The acid-fast stain is performed on samples to demonstrate the characteristic of acid fastness in certain bacteria and the cysts of Cryptosporidium and Isospora. Clinically, the most important application is to detect Mycobacterium tuberculosis in sputum samples to confirm or rule out a diagnosis of tuberculosis in patients. Theory .
Acid Fast Stain- Principle, Reagents, Procedure and Result Interpretation
2021年6月3日 · Principle of Acid Fast Stain. Acid-fast mycobacteria contain mycolic acid in their outer membrane, making the cells waxy and resistant to staining with aqueous based stains such as the Gram stain.
Acid-fast stain: MedlinePlus Medical Encyclopedia
2023年12月31日 · The acid-fast stain is a laboratory test that determines if a sample of tissue, blood, or other body substance is infected with the bacteria that causes tuberculosis (TB) and other illnesses.
Acid Fast Bacteria - PubMed
2023年8月7日 · Acid-fast bacteria, also known as acid-fast bacilli or simply AFB, are a group of bacteria sharing the characteristic of acid fastness. Acid fastness is a physical property that gives a bacterium the ability to resist decolorization by acids during staining procedures.