New series of metal complexes by amphiphilic biopolymeric Schiff bases from modified chitosans: preparation, characterization and effect of molecular weight on its biological applications - Barbosa, Hellen Franciane Gonçalves; Attjioui, Maha; Ferreira, Ana Paula Garcia; Moerschbacher, Bruno M; Cavalheiro, Eder Tadeu Gomes (International Journal of Biological Macromolecules, 2020)