“…Amidation of carboxylic acid containing polysaccharides or their derivatives (e.g. carboxymethyl cellulose) with amines gives substituted amides; this method can be challenging since polysaccharide hydroxyl groups may also be reactive towards an activated carboxyl group (Benkaddour, Journoux-Lapp, Jradi, Robert, & Daneault, 2014;Zabivalova, Bochek, Kalyuzhnaya, Vlasova, & Volchek, 2003).…”