Spontaneous condensation in DNA-polystyrene- b-poly(l-lysine) polyelectrolyte block copolymer mixtures V. Castelletto, I. W. Hamley, S. L. H. Kerstens, S. Deacon, C. D. Thomas, A. Lübbert and H. -A. Klok Eur. Phys. J. E, 20 1 (2006) 1-6 Published online: 27 April 2006 DOI: 10.1140/epje/i2005-10074-x