Time-resolved fluoroimmunoassay of plasma daidzein and genistein11Abbreviations: Daidzein (Da), genistein (Gen), gas-liquid chromatography (GC), high performance liquid chromatography (HPLC), mass spectrometry (MS), radioimmunoassay (RIA), time-resolved fluoroimmunoassay (TR-FIA), enzymeimmunoassay (EIA), fluoroimmunoassay (FIA), bovine serum albumin (BSA), N,N′-dicyclohexylcarbodiimide (DCC), N-hydroxysuccinimide (NHS), isotope dilution gas chromatography-mass spectrometry in the selected ion monitoring mode (ID-GC-MS-SIM), coefficients of variation (CVs). B = Binding of tracer to antibody in the presence of unlabeled analyte. B0 = Binding of tracer to antibody in the absence of unlabeled analyte. T = Total amount of tracer added. Estradiol = estradiol-17β.