Surplus biotin provides falsely reduced results in sandwich immuno- 65 assays because the assay sign is directly proportional to the analyte concentration. In competitive immunoassays, extra biotin causes falsely elevated outcomes because the assay signal is inversely proportional to your analyte focus. Certain aspects of biotin interference have been described https://www.alpersismanoglu.com/en/tag/missed-period-pregnancy-test/