@article {15573, title = {Transport of small anionic and neutral solutes through chitosan membranes: Dependence on cross-linking and chelation of divalent cations}, journal = {Biomacromolecules }, volume = {9}, year = {2008}, month = {2008-11-13}, pages = {2132-2138}, author = {da Silva, R. M. P. and Caridade, S. G. and SanRamon, J. and Mano, J. F. and Reis, R. L.} }