Microbiology

Arginine dihydrolase test procedure for pseudomonas aeruginosa

Arginine is an amino acid that builds up protein. Arginine is hydrolyzed by some bacteria, which release an enzyme called…

4 years ago

Aesculin hydrolysis test principle, procedure for streptococci

Asculine is a glycoside and it is incorporated with a nutrient base a ferric salt. Aesculin hydrolysis means the breakdown…

4 years ago

Oxidation fermentation test (Hugh and Leifson test ) principle, the procedure for P.Aeruginosa

The oxidation fermentation test was first discovered by the two scientists Hugh and Leifson in 1953. Therefore oxidation fermentation test…

4 years ago

India ink stain for cryptococcus principle, procedure control

India ink stain is used for visualizing the capsule of encapsulated B. anthracis and other capsulated organisms, especially the fungus…

4 years ago

Heat fixation procedure, purpose ,factors affecting fixation microbiology

Heat fixation is the second method after the chemical fixation in histology.  what is heat fixation in microbiology? The mechanism…

4 years ago

Clinical microbiology final exam quizlet Chapter 5-6

Here is the most important Quizlet of the microbiology final exam for medical students to refresh their knowledge. Chose the…

4 years ago

Difference between gram positive and gram-negative bacteria table, chart

There are many differences between gram-positive and gram-negative bacteria. There are many differences between gram-positive and negative bacteria cell membranes…

4 years ago

Nitrate reduction test principle, procedure, purpose, result

The nitrate reduction test is an important biochemical test in microbiology. It is used to differentiate the various gram-negative rods…

4 years ago

H2S test (hydrogen sulfide test) principle, procedure, reagents

H2S test is an important test in microbiology for the identification of various enterobacteria and Brucella species. H2S test principle…

5 years ago

What is Nagler’s reaction microbiology

The Nagler reaction test is used to identify the gram-positive bacilli clostridium perfringens. Clostridium perfringens have six serotypes from A…

5 years ago

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