Introduction of Microbial Diagnostic Disks Microbial Diagnostic Disks make it easy to presumptive identification of organisms. They are simple and…
Introduction of Bile Solubility Test Bile solubility test uses for presumptive identification of Streptococcus pneumoniae. Principle of Bile Solubility Test Bile salts,…
Introduction of Gram Positive Cocci 'Gram Positive Cocci (GPC)' bacteria retain crystal violet dye and stain blue or purple on…
Introduction of Streptococcus pneumoniae and Viridans streptococci Streptococcus pneumoniae is also called pneumococcus and pneumococcus is the commensals of the…
History and Introduction of Mueller-Hinton Agar (MHA) The name Mueller- Hinton agar(MHA) is from the surname of co-developers microbiologist John Howard Mueller…
Introduction of Coagulase Test The coagulase test is an enzymatic assay that is applied to differentiate Staphylococcus aureus (positive) from coagulase-negative staphylococci…
Introduction of Catalase Test The catalase test is the most common in bacteriology and is commonly used to differentiate those…
Introduction of Staphylococcus and Micrococcus Staphylococci are Gram-positive bacteria, with diameters of 0.5 – 1.5 µm and non-motile, non-spore-forming facultative…