title: 4',5'-Dimethoxy-6-carboxyfluorescein: a novel dipole-dipole coupled fluorescence energy transfer acceptor useful for fluorescence immunoassays.
mesh_terms: D000906:Antibodies; D004735:Energy Transfer; D005452:Fluoresceins; D005455:Fluorescent Antibody Technique; D007202:Indicators and Reagents; D009020:Morphine / Q000032:analysis; D011506:Proteins / Q000032:analysis; D013050:Spectrometry, Fluorescence / Q000379:methods; D013053:Spectrophotometry
chemical_list: D000906:Antibodies; D005452:Fluoresceins; D007202:Indicators and Reagents; D011506:Proteins; C028014:4',5'-dimethoxy-6-carboxyfluorescein; D009020:Morphine