Membrane filter

Membrane Filter Technique

This post was most recently updated on September 10th, 2019Membrane filters have a known uniform porosity of predetermined size (generally 0.45 µm ) sufficiently small to trap microorganisms.Using the membrane filter technique, sample is passed through the […]

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MCQ Bacteriology

MCQ: Microbiology

This post was most recently updated on July 25th, 2016 If a scientist actively researches the frequency and distribution of the diseases, he is said to be a: a. Mycologist    b. Immunologist            c. Etiologist       d. […]


Cell Mediated Immunity

This post was most recently updated on December 3rd, 2017CELL-MEDIATED IMMUNITY: Antibody-independent immunity, mediated by TH1 cells. Examples: Type-IV Hypersensitivity responses, responses against Mycobacterium tuberculosis and other intracellular pathogens. MACROPHAGE ACTIVATION: IFN-gamma, secreted by TH1 […]