LD Bodies for Kala-azar diagnosis
Lab Diagnosis of Parasitic Disease

Giemsa Stain: Principle, Procedure, Results

Last updated on June 7th, 2021Giemsa stain is a type of Romanowsky stain, named after Gustav Giemsa, a German chemist who created a dye solution. It was primarily designed for the demonstration of malarial parasites […]

Brain Heart Infusion Broth
Culture Media

BHI Broth: Composition, Preparation, Uses

Last updated on June 11th, 2021Brain Heart Infusion (BHI) broth is a general-purpose liquid medium used for the cultivation and maintenance of a wide variety of fastidious and non-fastidious microorganisms, including aerobic and anaerobic bacteria, […]


Preparation of Gram stain Reagents

Last updated on June 1st, 2021Gram staining requires the use of different chemical reagents which can be purchased in ready-to-use forms from commercial suppliers or can be prepared at the laboratory by mixing different chemicals […]


Short Term Storage of Fastidious Bacteria

Last updated on June 11th, 2021Bacteria are often preserved in microbiology laboratories for many purposes such as to re-examine or to characterize further or to send to a national reference laboratory for confirmation etc. Selection […]

Culture Media

Selenite broth: Composition, Preparation Uses

Last updated on June 17th, 2021Selenite broth is used as an enrichment medium for the isolation of Salmonella and Shigella from stool, urine, water and food products. It is the most widely used enrichment medium […]

Bird Seed Agar
Culture Media

Bird Seed Agar: Composition, Uses

Last updated on June 14th, 2021Bird Seed Agar, also known as Staib medium, is a selective and differential medium for isolation of Cryptococcus neoformans from clinical specimens and differentiation of it from other Cryptococcus species. […]

Difference Between

Primary vs. Secondary Immune Response

Last updated on June 11th, 2021The initial encounter of a naïve immune-competent lymphocyte with an antigen induces a primary immune response; a later contact of the host with the same antigen will induce a more […]