Last updated on February 1st, 2020Voges-Proskauer is a double eponym, named after two microbiologists working at the beginning of the 20th century. They first observed the red color reaction produced by appropriate culture media after […]
Last updated on February 16th, 2021CLED (cysteine-, lactose-, and electrolyte-deficient) agar is a differential culture medium for use in isolating and enumerating bacteria in urine from the suspected cases of Urinary Tract Infection. CLED agar […]
Last updated on April 14th, 2018Decarboxylases are a group of substrate specific enzymes that are capable of reacting with the carboxyl (COOH) portion of amino acids, forming alkaline-reacting amines and byproduct carbon dioxide. Increased pH of […]
Last updated on May 2nd, 2019Hippurate is the glycine conjugate of benzoic acid. When hippurate is hydrolysed by an organism glycine and benzoic acid are formed. In the classical test (48 hours), The benzoic acid […]
Last updated on December 13th, 2020Streptococci are Gram positive cocci either diplococci (lanceolate shaped; S. pneumoniae) or in chains. They are catalase negative (An important test which differentiate it from another cocci, Staphylococci). This fastidious […]
Last updated on May 3rd, 2021Monospot test is a form of the heterophile antibody test which is used for the rapid screening of infectious mononucleosis (mono). Epstein–Barr virus (EBV) causes the disease infectious mononucleosis. Blood, […]
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