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Sodium Polyanethol Sulfonate : Introduction, Properties, Uses and Demerits
Introduction of Sodium Polyanethol Sulfonate Sodium polyanethol sulfonate (SPS) is a synthetic polymer of anetholesulfonic acid i.e. a polyanionic detergent. It is a commonly used anticoagulant in human blood culture media. Its trade name is liquoid. Its constituent in culture media uses to grow bacteria from blood samples of patients suspected of bacteremia. SPS prevents the killing of bacteria by various means like innate cellular and humoral factors. The research articles are suggestive of the effect...
Sphingobacterium Case Report: Introduction, Patient History, Lab Diagnosis and Treatment
Introduction of Sphingobacterium case report Sphingobacterium is a non-fermermenter, Gram-negative rod, catalase test positive, oxidase test positive, and a genus of the family Sphingobacteriaceae. The genus Sphingobacterium is characterized by the high concentrations of sphingophospholipids as lipid components. Sphingobacterium mizutaii does not on MacConkey agar but grows well on blood agar with evidence of yellow pigment. Other species of Sphingobacterium grow well on MacConkey agar. The above picture is showing the growth of Sphingobacterium mizutaii with yellow pigment after 48...
GeneXpert Test For Tuberculosis: Introduction, Principle, Procedure, Result Interpretation and Advantages
Introduction of GeneXpert Test GeneXpert test is a molecular test for tuberculosis diagnosis by detecting the presence of Mycobacterium tuberculosis (bacteria), as well as testing for resistance to the drug rifampicin. Principle of GeneXpert Test GeneXpert test is a highly sensitive and specific test for tuberculosis(TB) diagnosis that detects DNA sequences specific for Mycobacterium tuberculosis and rifampicin resistance i.e. rpoB gene. It is also called Gene Xpert because it works as its name. Requirements for GeneXpert Test 1. Kit contains-...