Silva J. M., Caridade S. G., Costa R. R., Alves N. M., Groth T., Picart C., Reis R. L., and Mano J. F.,  "pH Responsiveness of Multilayered Films and Membranes Made of Polysaccharides",  Langmuir, vol. 31, issue 41, pp. 11318?11328, doi:10.1021/acs.langmuir.5b02478, 2015.