Change of the higher order structure of DNA induced by the complexation with intercalating synthetic polymer, as is visualized by fluorescence microscopy. - Keiji Minagawa; Yukiko Matsuzawa; Kenichi Yoshikawa; Yuichi Masubuchi; Mitsuhiro Matsumoto; Masao Doi; Chitoshi Nishimura; Mizuo Maeda (Nucleic Acids Res., 1993)