FTIR spectra
(a); XRD patterns of original CM, the SF, SF-PDA,
SF/CM, and SF/CM-PDA scaffolds (b); thermogravimetric analysis results
of pure SF, pure CM, pure PDA, and SF/CM-PDA scaffolds (c); and water
contact angle assay (d) (n = 3, *p < 0.05 compared to the SF scaffold group).