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 incapable of causing agglutination […]
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 caused by a Spirochetes, Treponema pallidum. Based […]
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 Salmonella enterica […]
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 requires a veritable zoo […]
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 test name: Rapid: Its […]
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 agglutination test for the qualitative […]
This post was most recently updated on December 3rd, 2019Venereal disease research laboratory (VDRL) test is a nonspecific flocculation test which is used for the screening of syphilis. VDRL test is easy to perform and […]
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 “markers” or combinations of markers are used to […]
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 electrical current. Most bacterial antigens […]
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 latex particle) and cause the formation of […]
This post was most recently updated on August 26th, 2019 Enzyme-linked immunosorbent assay (ELISA) is extremely sensitive test that is used to detect specific antibodies or antigens. The direct ELISA is a test for the […]
This post was most recently updated on August 26th, 2019 Enzyme-linked immunosorbent assay (ELISA) test is the most widely used type of immunoassay. ELISA is a rapid test used for detecting or quantifying antibody (Ab) against viruses, […]
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