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A latex fixation test, also called a latex agglutination assay or test (LA assay or test), is an assay used clinically in the identification and typing of many important microorganisms. These tests use the patient's antigen - antibody immune response.
The test is usually performed using commercially available test kits which detect the reaction of heterophile antibodies in a person's blood sample with horse or cow red blood cell antigens. These test kits work on the principles of latex agglutination or immunochromatography. Using this method, the test can be performed by individuals without ...
Gravindex is an agglutination inhibition test performed on a urine sample to detect pregnancy. [1] It is based on double antigen antibody reaction. The test detects the prevention of agglutination of HCG-coated latex particles by HCG present in the urine of pregnant women. [2]
Antigen detect tests allow rapid detection of melioidosis. Examples of antigen detection tests are: latex agglutination test and ELISA. Latex agglutination uses antibodies coated on latex beads to detect B. pseudomallei antigens in solid or liquid media, although not all the assays can detect different species of Burkholderia. [29] Latex ...
The latex particle agglutination test (LAT) is a more sensitive method to detect H. influenzae than is culture. [40] Because the method relies on antigen rather than viable bacteria, the results are not disrupted by prior antibiotic use. It also has the added benefit of being quicker than culture methods.
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It is done by serological methods like latex agglutination or slide agglutination. ELISA may be performed to detect the exact titre value. To detect the titre value, by a non-ELISA method, one has to perform the above agglutination using a serial dilution technique. [citation needed]
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