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Chitosan-Gelatin Films Cross-Linked with Dialdehyde Cellulose Nanocrystals as Potential Materials for Wound Dressingshttps://www.mdpi.com/1422-0067/23/17/9700first_pagesettings Order Article ReprintsOpen AccessArticle Chitosan-Gelatin Films Cross-Linked with Dialdehyde Cellulose Nanocrystals as Potential Materials for Wound Dressings by Katarzyna Wegrzynowska-Drzymalska 1,*, Dariusz T. Mlynarczyk 2, Dorota Chelminiak-Dudkiewicz 1, Halina Kaczmarek 1, Tomasz Goslinski 2 and Marta Ziegler-Borowska 11Department of Biomedical Chemistry and Polymer Science, Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Torun, Poland2Chair and Department of Chemical Technology of Drugs, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland*In this study, thin chitosan-gelatin biofilms cross-linked with dialdehyde cellulose nanocrystals for dressing materials were received. Two types of dialdehyde cellulose nanocrystals from fiber (DNCL) and microcrystalline cellulose (DAMC) were obtained by periodate oxidation