latex agglutination test


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latex

 [la´teks] (L. “fluid”)
1. any of various white viscid fluids secreted by certain plants; the variety from Hevea brasiliensis, the rubber tree, was formerly the main source of commercial rubber. Allergic reactions to natural latex are an important cause of type IV hypersensitivity reactions. See also latex allergy.
2. any of several synthetic fluids resembling natural latex, including polystyrene and polyvinyl chloride; these are not causes of latex allergy.
latex agglutination test (latex fixation test) a diagnostic study used to detect certain antibodies in body fluids; latex particles are used as passive carriers, and particles clump together following the addition of the antibody. One use is as a serologic test for rheumatoid factor in diagnosis of rheumatoid arthritis.

la·tex ag·glu·ti·na·tion test

a passive agglutination test in which antigen is adsorbed onto latex particles which then clump in the presence of antibody specific for the adsorbed antigen.
Synonym(s): latex fixation test

latex agglutination test

Latex fixation test Lab medicine An assay that uses visible agglutination as an end-point, to detect a reaction between derivatized particles and an analyte
References in periodicals archive ?
Rapid detection of mecA positive and mecA negative coagulase negative staphylococci by an anti-penicillin binding pritein 2a slide latex agglutination test. J Clin Microbiol 2000; 38 : 2051-4.
capripneumoniae capsular polysaccharide- specific antigen detection latex agglutination test. J.
Sero epidemiological study of toxoplasmosis among different groups of population in Duhok city by using LATEX agglutination test and indirect hemagglutination test.
Serotypes VI, VII, VIII and IX were not detected using the latex agglutination test. The distributions agree with the reports from other African countries where the above serotypes were found in clinical isolates.
The collected sera samples were screened for antiToxoplasma gondii antibodies by Latex agglutination test using commercially available kit (Global invitro(R) LLP UK).
Latex agglutination test has been the method of choice in the development of a rapid test kit in many fields including clinical and veterinary medicines [16-20].
In this study we have used Pastorex[R] Rotavirus (Biorad, France) Latex agglutination test kit for the direct detection of Rotavirus antigen from stool samples in HIV sero-positive and HIV sero-negative patients with diarrhea.
A latex agglutination test works in this manner: beads are coated with plasma antibodies unique to a particular pathogen.
Human rotavirus detection in stool specimens using enzyme-linked immunosorbent assays and latex agglutination test. Boll Ist Sieroter Milan 1988; 67(3):241-4.
Keywords: Latex agglutination test, Sensitivity, Specificity, Trichomonas vaginalis
PCR as well as a latex agglutination test (developed in-house at RMRC, Port Blair, unpublished) showed positive reactions on this sample also thereby lending support to the diagnosis.