Biotin-labelled antigen screening test for toxoplasma IgM antibody
- PMID: 2921363
- PMCID: PMC1141829
- DOI: 10.1136/jcp.42.2.206
Biotin-labelled antigen screening test for toxoplasma IgM antibody
Abstract
A method for the simple preparation of biotin-labelled toxoplasma antigen was used with avidin peroxidase in an IgM-capture enzyme linked immunosorbent assay (BAM-ELISA). Although the overall predictive value of a positive result was only 38%, its low cost and 100% sensitivity makes it a very suitable screening test. Positive results can be confirmed by an alternative assay, thus providing a more economical and effective diagnostic service than either screening all sera by a commercial test or selecting sera for IgM testing.
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