Month: March 2024

Serological Tests Used In Microbiology

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Serology is the study of serum (singular) or sera (plural). Serum, the fluid obtained when blood clots are removed contains antigens and antibodies. Serology may be used in detection, identification and classification of microorganism. The reactions in vitro between antigens and antibodies (antisera) form the basis of serological tests (techniques). A range of methods are … Read more

Techniques Used In Staining Microbial Cells

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Unstained bacterial cells are nearly always transparent when observed under the light microscope and hence are difficult to see. In wet preparations, due to the closeness of the refractive indices of glass, water anq bacteria, the problem is compounded. To increase the contrast between the bacterium and its surroundings therefore, staining is employed. Most bacteria … Read more