Fig. 1From: The effect of nano-hydroxyapatite/chitosan scaffolds on rat calvarial defects for bone regenerationFourier transform infrared (FTIR) spectra of synthesized hydroxyapatite nanoparticles (nHAp), chitosan (CS), and nHAp/CS scaffolds (a). X-ray diffraction patterns of nHAp and nHAp/CS scaffolds (b). High resolution SEM images of nHAp in powder form (c) or embedded in the chitosan matrix of nHAp/CS scaffolds (d)Back to article page