“A single-molecule assessment of the protective effect of DMSO against DNA double-strand breaks induced by photo-and g-ray-irradiation, and freezing”, Masami Noda, Yue Ma, Yuko Yoshikawa, Tadayuki Imanaka, Toshiaki Mori, Masakazu Furuta, Tatsuaki Tsuruyama, Kenichi Yoshikawa, Scientific Reports, in press.