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Category: Biochemical Tests

link to Biochemical Tests to identify Mycobacteria, NTM

Biochemical Tests to identify Mycobacteria, NTM

Various biochemical tests can be performed for the identification of Mycobacteria and Non-tuberculous Mycobacteria. An overview of some of these biochemical tests is mentioned in this blog post....

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link to Novobiocin Susceptibility Test: Principle, Procedure, Results

Novobiocin Susceptibility Test: Principle, Procedure, Results

Novobiocin test is used to differentiate coagulase-negative staphylococci (CONS) and presumptively identify the isolate as Staphylococcus saprophyticus  (novobiocin resistant).  It is...

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link to IMViC Tests: Principle, Procedure, Results

IMViC Tests: Principle, Procedure, Results

Each letter in "IMViC" stands for one of these tests. "I" is for indole; "M" is for methyl red; "V" is for Voges-Proskauer, and "C" is for citrate. Lowercase "i" is added for ease of...

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link to MUG (Beta-Glucuronidase) Test for E. coli

MUG (Beta-Glucuronidase) Test for E. coli

MUG is an acronym for 4-methylumbelliferyl-β-D-glucuronide. Since 97% of Escherichia coli strains produce the enzyme β-D-glucuronidase, MUG test can be used for rapid identification of E....

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link to Triple Sugar Iron (TSI) Agar: Principle, Results, and Interpretation

Triple Sugar Iron (TSI) Agar: Principle, Results, and Interpretation

Whenever you see the name of this test i.e. 'Triple Sugar Iron Agar', you have to remember that it's a test that has three sugar (lactose, sucrose, and glucose) and also iron; and it contains...

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link to Optochin Sensitivity Test: Principle, Procedure, Results

Optochin Sensitivity Test: Principle, Procedure, Results

Streptococcus pneumoniae strains are sensitive to the chemical optochin (ethylhydrocupreine hydrochloride). Optochin sensitivity allows for the presumptive identification of alpha-hemolytic...

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