Fig. 1

Physicochemical structure characterization assessment of the scaffolds. a Representative SEM images, photographs (insert), and diameter distribution analysis of P-scaffold and iTE-scaffold. b FTIR spectra of the scaffolds. c Facture strain of the fibrous scaffolds. d Ultimate tensile strength of the fibrous scaffolds. e Elastic modulus of the fibrous scaffolds. *P < 0.05, n.s. no statistical significance