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  • Title: Evaluation of three immunoassays for detection of Toxoplasma-specific immunoglobulin G and M.
    Author: Bacigalupo MA, Bazzini P, Farina L, Ius A.
    Journal: Eur J Clin Chem Clin Biochem; 1996 Jun; 34(6):503-5. PubMed ID: 8831053.
    Abstract:
    A time-resolved immunofluorometric assay of the IgG specific for Toxoplasma gondii has been compared with two commercial methods, one automated enzyme linked fluorescent assay (VIDAS) and one automated colorimetric enzyme immunoassay (BEIA). The coefficients of variation were 3.4% and 7.4% within-assay (n = 12), and 9.2% and 8.1% between-assay (n = 10) for two sera at low and high concentrations of specific IgG. The regression lines obtained with 96 samples were y = 1.04x + 2.1 and y = 0.98x - 1.1. We also compared a time-resolved capture fluoroimmunoassay for Toxoplasma-specific IgM with a commercial immunoenzymatic assay (BEIA TOXO-M). The sensitivity and specificity were 100%, calculated from assays of 78 samples.
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