title: Fluorescence relaxation spectroscopy in the analysis of macromolecular structure and motion.
mesh_terms: D004996:Ethidium; D046911:Macromolecular Substances; D008968:Molecular Conformation; D012343:RNA, Transfer; D013050:Spectrometry, Fluorescence / Q000295:instrumentation
chemical_list: D046911:Macromolecular Substances; D012343:RNA, Transfer; D004996:Ethidium