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. 2004 May;25(2):105–120.

Figure 1.

Figure 1

A diagrammatic representation of analyte and interfering antibody-binding substance (I) binding in a conventional two-site immunoassay. By linking the capture and signal antibodies, these multivalent substances produce an assay signal and result in a false-positive analyte value. Reproduced with the permission of Clinical Chemistry from Ref 79.