Hemagglutination Inhibition Test
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Immunology Practical

Hemagglutination Inhibition Test

The nucleic acids of many viruses encode surface proteins (such as hemagglutinin (HA) of influenza virus) that agglutinate red blood

Precipitin Ring Test Principle, Procedure, Result
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Immunology Practical

Ring Precipitation Test Principle, Procedure, Result

To determine the presence or absence of antigens or antibodies in a patient, many tests have been developed that use the interaction of antibodies and antigens. These tests require specificity and sensitivity. Specificity refers to the property of only binding to one antigen. Sensitivity means that the antibody can recognize and bind the antigen.

Ouchterlony Double Immunodiffusion Method
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Immunology Practical

Ouchterlony Double Immunodiffusion Method

The main reaction of immune system and immunology is the interaction between antibody and antigens. This is the reason to

Radial Immunodiffusion Principle, Procedure, Result
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Immunology Practical

Radial Immunodiffusion Principle, Procedure, Result

Single Radial Immunodiffusion also referred to as Mancini technique is a quantitative immunodiffusion technique that is used to measure the antigen's concentration by measuring the size of the precipitin-based ring created by the interaction between the antigen with the antibody at the optimal concentration. The antibody is embedded in the agarose gel, while the antigen is diffused into it in the form of a radiatal pattern.