Bismuth sulfite agar (BS) is a selective as well as a differential medium for isolation and presumptive identification of Salmonella spp, especially Salmonella Typhi. Salmonella spp are the...
Posts by Nisha Rijal
Chromogenic culture media are used to isolate, identify, and differentiate specific microorganisms from a heterogeneous population. The medium contains chromogenic substrate which is utilized by...
The 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 rapid and...
The spread plate technique is a viable counting method employed to plate a liquid sample to isolate or count the bacteria in that sample. A perfect spread plate technique will result in visible and...
Most Probable Number (MPN) Test: Principle, Procedure, Results
Most Probable Number (MPN) is used to estimate the concentration of viable microorganisms in a sample by means of replicating liquid broth growth in ten-fold dilutions. It is commonly used in...
Thioglycollate broth is the enrichment broth most frequently used in diagnostic bacteriology. This broth supports the growth of anaerobes, aerobes, microaerophilic, and fastidious microorganisms....