title: Flavin adenine dinucleotide as a label in homogeneous colorimetric immunoassays.
mesh_terms: D003124:Colorimetry / Q000379:methods; D005182:Flavin-Adenine Dinucleotide; D006801:Humans; D007118:Immunoassay / Q000379:methods; D013806:Theophylline / Q000097:blood
chemical_list: D005182:Flavin-Adenine Dinucleotide; D013806:Theophylline