Martins A. M., Eng G., Caridade S. G., Mano J. F., Reis R. L., and Vunjak-Novakovic G.,  "Electrically conductive chitosan/carbon scaffolds for cardiac tissue engineering",  Biomacromolecules, vol. 15, issue 2, pp. 635-643, doi:10.1021/bm401679q, 2014.