Tollen’s test is a chemical test used to distinguish reducing sugars from non-reducing sugars. It is also known as silver mirror test since free silver […]
Western blotting technique is used for the separation and identification of a specific protein in a complex mixture of proteins based on their molecular weight. […]
Principle: Optochin test is used to determine the effect of Optochin (ethylhydrocupreine hydrochloride) on an organism. Optochin is a chemical used as an antibiotic that […]
Bacitracin test is one of the antimicrobial disc tests used to determine the susceptibility of bacteria to bacitracin. It is used for distinguishing group A […]
A sugar consists of an anomeric carbon to which a functional group is attached. If the anomeric carbon consists of aldehyde as a functional group, […]
Capsule staining is a differential technique commonly used in light microscopy. A capsule is a gelatinous layer which lies immediately exterior to the cell wall […]
Acid-fast staining is one of the differential staining techniques commonly used for light microscopic examination of bacteria. It differentiates acid-fast bacteria from non-acid fast bacteria. […]
Gram staining is a differential staining technique that is used for microscopic examination of bacteria. In differential staining, specimen is subjected to a series of […]
Purpose of staining: In bright field or light microscopy, background appears bright and the microorganisms appear dark as they absorb some of the light. However, […]
The Fehling test was developed in 1848 by Herrmann Fehling. Like Benedict’s test, it is also a sensitive test for the detection of reducing sugars. […]
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