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. 2021 Jul 29;9:266–280. doi: 10.1016/j.bioactmat.2021.07.029

Fig. 3.

Fig. 3

SEM images (a) and fiber diameter distribution (b) of PCL, PCL-DDP, PCL-AgNPs and PCL-DDP-AgNPs fiber films, respectively. Representative images (c) and statistical analyze (d) of the water contact angle. TEM image of AgNPs (e). Size distribution of AgNPs in fiber films calculated from TEM images (f). Drug release of DDP and AgNPs from different drug-loaded fiber films (g, h). Degradation behaviors of PCL, PCL-DDP, PCL-AgNPs and PCL-DDP-AgNPs in PBS (pH 7.4) or tracheal simulated fluid (TSF) (i, j). *p < 0.05, **p < 0.005, ***p < 0.0005. Scale bar, 10 nm and 200 nm.