Agglutination Tests: Types, principle and uses
This post was most recently updated on August 26th, 2019When the specific antibodies (agglutinins) bind to surface antigens of bacteria/virus or any antigens immobilized in particulate matter (such as...
View ArticleCounterimmunoelectrophoresis (CIE): Principle, Procedure and Uses
This post was most recently updated on September 27th, 2019 Counterimmunoelectrophoresis (CIE) is a modification of Ouchterlony method that speeds up migration of an antigen and antibody by applying an...
View ArticleInterpretation of Hepatitis B Serologic Test Results
This post was most recently updated on August 26th, 2019 Hepatitis B serologic testing involves measurement of several hepatitis B virus (HBV)-specific antigens and antibodies. Different serologic...
View ArticleVDRL Test: Principle, procedure, results and interpretation
This post was most recently updated on August 26th, 2019Venereal disease research laboratory (VDRL) test is a nonspecific flocculation test which is used for the screening of syphilis. VDRL test is...
View ArticleAnti Streptolysin O (ASO) Test: Principle, Procedure and Interpretation
This post was most recently updated on August 26th, 2019The test principle, procedure and interpretation presented here are based on Latex Anti-Streptolysin O (ASO) test. It is a rapid latex...
View ArticleRapid Plasma Reagin (RPR) Test: Principle, Procedure and Interpretations
This post was most recently updated on August 26th, 2019The rapid plasma reagin (RPR) test is a macroscopic, nontreponemal flocculation card test used to screen for syphilis. Let’s first analyze the...
View ArticleComplement Fixation Test: Principle, Procedure and Results
This post was most recently updated on August 26th, 2019The complement fixation test is one of the major traditional tests for the demonstration of presence of specific antigens or antibodies. It...
View ArticleWidal test: Principle, Procedure, Results, Interpretation, Significance and...
This post was most recently updated on August 26th, 2019Widal test is a milestone invention in medicine. This test was devised by Frank Widal in 1896. Widal originally described the test to diagnose...
View ArticleTPHA: principle, procedure, results and interpretations
This post was most recently updated on August 26th, 2019Treponema pallidum Hemagglutination Assay (TPHA) is a treponemal test for the serologic diagnosis of syphilis, a sexually transmitted infection...
View ArticleCoombs Test: Types, Principle, Procedure and Results
This post was most recently updated on August 26th, 2019Coombs test (antiglobulin test) is used to detect the presence of ‘incomplete’ Rh antibodies i.e. IgG antibodies capable of sensitising RBCs but...
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