title: Isotope dilution assay for biotin.
mesh_terms: D000818:Animals; D001360:Avidin; D001665:Binding Sites; D001710:Biotin / Q000032:analysis*; D002250:Carbon Radioisotopes; D005069:Evaluation Studies as Topic; D005612:Freeze Drying; D007553:Isotope Labeling; D008099:Liver / Q000032:analysis; D008433:Mathematics; D008722:Methods; D008832:Microchemistry; D011485:Protein Binding; D011865:Radioisotope Dilution Technique; D051381:Rats; D013053:Spectrophotometry; D013997:Time Factors; D014461:Ultracentrifugation
chemical_list: D002250:Carbon Radioisotopes; D001360:Avidin; D001710:Biotin