title: Isotope dilution assay for biotin: use of [3H]biotin.
mesh_terms: D000818:Animals; D001360:Avidin; D001710:Biotin / Q000032:analysis*; D007553:Isotope Labeling / Q000379:methods; D007700:Kinetics; D011485:Protein Binding; D014316:Tritium
chemical_list: D014316:Tritium; D001360:Avidin; D001710:Biotin