Nonlinearity-induced conformational instability and dynamics of biopolymers S. F. Mingaleev, Y. B. Gaididei, P. L. Christiansen and Y. S. Kivshar Europhys. Lett., 59 3 (2002) 403-409 Published online: 01 September 2002 DOI: 10.1209/epl/i2002-00209-3