Fig. 3

a Zeta potentials of GA-Ag NPs, DT, and DT-Ag. b Infrared spectra of GA-Ag NPs, DT, and DT-Ag. c Survey X-ray photoelectron spectra of DT and DT-Ag. d Ag 3d spectrum of DT-Ag. e Water contact angles of DT and DT-Ag. f Calcein staining images of fibroblast growth on culture dish, DT, and DT-Ag surfaces. g–i Stress–strain curves, limit stresses, and failure strains of NT, DT, and DT-Ag