Introduction of Enterobacteriaceae The family Enterobacteriaceae was first proposed by Rahn in 1936 and it is a very large group…
Fig. Lactose Fermenter (LF)-Pink colony-Right side and Non-Lactose Fermenter (NLF)-pale or no color change-Left side Gram-Negative Bacteria on MacConkey agar…
Introduction of India Ink Preparation Cryptococcal meningitis occurs in immunodeficient patients and when meningitis is clinically suspected, for example, patients…
Introduction of Blood Agar Blood agar is an enriched medium for the cultivation of bacteria. Fastidious organisms, such as streptococci, do not…
Introduction of Nutrient Agar Nutrient agar is a simple medium which uses to grow bacteria. It is devoid of indicators,…
Introduction of String Test String test is a special test of bacteria to identify Vibrio cholerae (String test positive) from…
Triple Sugar Iron Agar Test The triple Sugar Iron (TSI) Agar test is a combo test and is useful for…
Introduction Methylene Blue Stain, also known as methylene blue aqueous is an ordinary stain. It is used for capsule stain…