title: Characterization of excitation spectra for Tb3+ luminescence from nucleic acids: calcium binding environs in icosahedral viruses.
mesh_terms: D002118:Calcium; D008163:Luminescent Measurements; D009029:Mosaic Viruses / Q000648:ultrastructure*; D011131:Polyribonucleotides; D012313:RNA; D013056:Spectrophotometry, Ultraviolet; D013329:Structure-Activity Relationship; D013725:Terbium
chemical_list: D011131:Polyribonucleotides; D013725:Terbium; D012313:RNA; D002118:Calcium