Editorial on the Special Issue “Chitosan Functional Hydrogels: Synthesis and Applications”

Chitin, a polysaccharide composed of β-(1–4)-linked 2-deoxy-2-acetamido-d-glucose units, is found in cell walls different organisms, including crustaceans, fungi, insects, some algae, microorganisms, and invertebrate animals, its deacetylation into chitosan confers it with incredible chemical versatility allowing to be processed numerous products [...]