Fig. 1: Characterization of GO/PLLA nanofiber scaffolds.

a AFM images of GO nanosheets interacting with or without PLLA. b, c SEM images of GO/PLLA nanofiber scaffolds. d Contact angle images of GO/PLLA nanofiber scaffolds.

a AFM images of GO nanosheets interacting with or without PLLA. b, c SEM images of GO/PLLA nanofiber scaffolds. d Contact angle images of GO/PLLA nanofiber scaffolds.