Fig. 13

a Representative photographs of wound healing mice skin at different times (day 0, day 3, day 7, day 9, and day 12) for untreated wound (no dressing), NaAlg/PVPI and Product A (A commercial Povidone Iodine Non-Adherent Dressing product) as control sample are shown (scale bar 5 nm) b Days of wound healing in mice untreated (white bars), and treated with the NaAlg/PVPI (black bars) or with Product A dressing (grey bars). *p < 0.05 and ***p < 0.001, compared to the untreated mice [117]. Summa, M., et al., A biocompatible sodium alginate/povidone iodine film enhances wound healing. European Journal of Pharmaceutics and Biopharmaceutics. 2018, 122:17–24. Copyright (2020)