Pixantrone anticancer drug as a DNA ligand: Depicting the mechanism of action at single molecule level C. H. M. Lima, J. M. Caquito, R. M. de Oliveira and M. S. Rocha Eur. Phys. J. E, 42 10 (2019) 130 Published online: 03 October 2019 DOI: 10.1140/epje/i2019-11895-6