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Characterization of the chitosan dressing: (a) Fourier-transform infrared spectroscopy results; (b) morphology observations using scanning electron microscopy; (c) cytolysis activity measurement for biocompatibility evaluation (* p < 0.05; 24 and 48 h incubation); (d) relative abundance of most predominant bacteria identified in wound-contact chitosan and regular gauze dressings up to 6 days post-surgery (D1 = day 1, D6 = day 6). Figure is licensed under CC-BY 4.0 [125].
