title: Dynamics of superhelical DNA and its complexes with ethidium bromide from electro-optic relaxation measurements.
mesh_terms: D001718:Birefringence; D004278:DNA, Superhelical; D004563:Electrochemistry; D004996:Ethidium; D008274:Magnesium; D009690:Nucleic Acid Conformation
chemical_list: D004278:DNA, Superhelical; D004996:Ethidium; D008274:Magnesium