Influence of metal ion complexation on the metastable fragmentation of DNA hexamers Andreas Piekarczyk, Ilko Bald, Helga D. Flosadóttir, Benedikt Ómarsson, Anne Lafosse and Oddur Ingólfsson Eur. Phys. J. D, 68 6 (2014) 146 Published online: 23 June 2014 DOI: 10.1140/epjd/e2014-40838-7