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Introduction Blood Grouping and Rh Typing are used to determine the blood group and Rh factor of a sample of blood. ABO blood grouping and Rh typing are the most common blood group systems. There are nearly 300 blood group systems so far discovered. Other …
Introduction of Coagulase Test The coagulase test is an enzymatic assay that is applied to differentiate Staphylococcus aureus (positive) from coagulase-negative staphylococci (CoNS). Coagulase is an enzyme formed by S. aureus which changes soluble fibrinogen of plasma to insoluble fibrin. S. aureus produces two forms of coagulase. One is bound coagulase …
Introduction of Simmons and Koser’s citrate Simmons citrate medium is a solid medium due to having agar. It is also an indicator medium due to the presence of phenol red. To say test positive, there should be growth and color change of the medium. Koser’s …
Introduction A citrate utilization test is the most commonly used routine biochemical test for Gram-negative rods in bacteriology for the identification of bacteria on the basis of citrate utilization. Klebsiella pneumoniae is the citrate utilization-positive organism while Escherichia coli is negative. Principle of Citrate Utilization Test …
Introduction of Common Formulae of Diagnostic Laboratory The ‘Common Formulae of Diagnostic Laboratory’ title is really useful who are involved in the Department of Pathology and Laboratory Medicine tests reporting as well as students who are related to this branch of health science. The author …
Introduction of Blood and Tissue DNA Extraction Advances in DNA technology have been created in the increased application of DNA tests. From paternity determination to criminal investigations and even disease diagnosis the accuracy and data provided mean that millions of people are now shifting to …
Introduction of SOP for pH Meter Calibration and Performing Measurements A standard operating procedure (SOP) for pH Meter Calibration and Performing Measurements is really useful since we have to face numerous tests in Research as well as Diagnostic laboratories. e.g. Buffer preparation, maintaining a buffer …
Introduction of Catalase Test The catalase test is the most common in bacteriology and is commonly used to differentiate those bacteria that produce this enzyme, such as staphylococci, from non-catalase producing bacteria such as streptococci. It is two types depending on the testing methods and they …