The Widal test is an agglutination test that determines any antibodies present in the patient's serum that are generated against the causal agents of the enteric febrile illness (Salmonella Typhi, and Salmonella paratyphi B, A as well as C).
A real-time polymerase chain reaction (real-time PCR) is a conventional polymerase chain reaction (PCR) based laboratory technique used in molecular biology for real-time monitoring of the amplification of a targeted DNA molecule during the PCR, not at its end, as the conventional PCR do.
The forerunner of the present pour-plate method was developed in the laboratory of the famous bacteriologist, Robert Koch. In normally microbial population exists as a mixture of many other cell types, this laboratory technique is used to produce pure culture from these population. This method also used to count the number of viable organisms in
Whittaker’s Five Kingdom Classification brings evolutionary changes in classification system of organisms. Since the centuries, biologists are trying to classify organisms in different ways. Even, Greek philosopher and polymath Aristotle tried to classify organisms on the basis of their habitats, such as whether they lived on land, water, or air. Then Carolus Linnaeus proposed a
A traditional simple microscope creates a murky and fuzzy image of 3-dimensional objects, because light from all areas of the object, not just the plane of focus, enters the microscope. This problem has been solved by the confocal scanning laser microscope (CSLM), or simply, confocal microscope. Confocal Microscope Confocal Microscope also called confocal laser scanning
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