Conformational assignments and dynamic dependence of chitosan with variable degrees of acetylation and molecular weight by high and low-field SSNMR techniques - Facchinatto, William Marcondes; Fiamingo, Anderson; Bernardes Filho, Rubens; Santos, Danilo Martins dos; Garcia, Rodrigo Henrique dos Santos; Campana Filho, Sergio Paulo; Azevêdo, Eduardo Ribeiro de; Colnago, Luiz Alberto (International Society of Magnetic Resonance Conference - ISMAR, 2019)