Membrane filter

Membrane Filter Technique

Last updated on June 11th, 2021Membrane 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 membrane […]

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Isolation and Enumeration of Bacteria

Last updated on June 11th, 2021Enumeration of microorganisms is especially important in dairy microbiology, food microbiology, and water microbiology. Direct Microscopic count/ Total cell count Direct microscopic counts are possible using special slides known as […]