Oliveira J. M., Kotobuki N., Marques A. P., Pirraco R. P., Benesch J., Hirose M., Costa S. A., Mano J. F., Ohgushi H., and Reis R. L.,  "Surface Engineered Carboxymethyl-chitosan/Poly(amidoamine)Dendrimer Nanoparticles for Intracellular Targeting",  Advanced Functional Materials, vol. 18, pp. 1840-1853, 2008.