Fig. 1From: Nacre-mimetic cerium-doped nano-hydroxyapatite/chitosan layered composite scaffolds regulate bone regeneration via OPG/RANKL signaling pathway(a, b) SEM images of CS scaffold; (d, e) SEM images of HA/CS scaffold; (g, h) SEM images of CeHA/CS scaffold; (c, f, i) EDS spectrumBack to article page