Concept of Bioremediation: Bioremediation is a biotechnical process which involves the removal of complex material or contamination by degrading environmental pollutants using living micro-organisms. It […]
Principle of Bile solubility test : The bile solubility test is employed to distinguish Streptococcus pneumoniae from alpha-haemolytic Streptococcus spp. The basis of bile solubility […]
Chromatin: Eukaryotic chromosomes are located within a separate cellular compartment termed as nucleus. The length of DNA must be compacted by a remarkable amount in […]
Principle of Hippurate hydrolysis test : Hippurate hydrolysis test is performed for the identification of Campylobacter jejuni, Listeria monocytogenes, Gardnerella vaginalis, and Streptococcus agalactiae. The […]
Principle: MRS broth is a medium for the cultivation of lactobacilli and is specifically useful for a number of fastidious strains which is unable to […]
Principle of Optochin susceptibility test: Streptococcus pneumoniae is found generally on respiratory tract and has a hemolytic pattern identical to other alpha-hemolytic streptococci and lactobacilli. […]
Introduction of DNA Microarray technique: Also termed as DNA chips, gene chips, DNA arrays, gene arrays and biochips. Biochips are latest generation of biosensors developed […]
Principle of MUG test: About 97% strains of Escherichia coli and organisms as such Salmonella, Shigella, and Yersinia are capable of producing enzyme β-glucuronidase. MUG […]
Principle: Salmonella-shigella (SS) agar is generally employed for the selective isolation and differentiation of Salmonella and Shigella in both clinical and nonclinical samples. However, SS […]
Principle: Haemophilus spp. typically grows on chocolate agar as smooth, flat or convex buff, or slightly yellow colonies. Chocolate agar provides hemin (X factor) and […]
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