Fig. 4From: Magnetic-driven dynamic culture promotes osteogenesis of mesenchymal stem cellCharacterization of scaffolds. A FTIR spectra of chitosan, laponite, Fe3O4 and scaffolds. B XRD spectra of chitosan, laponite, Fe3O4 and scaffolds. C EDS of scaffolds. D SEM images of scaffolds. Scale bar: 200 μmBack to article page