Fig. 2From: 3D-printed PCL/β-TCP/CS composite artificial bone and histocompatibility studyCharacterization of PCL/β-TCP/CS scaffold. A Scanning electron microscopic images of the PCL/β-TCP/CS composite scaffolds. (scale bar = 500 μm,100 μm,10 μm). B The water contact angle of composite scaffolds. C The porosity of composite scaffolds of the PCL/β-TCP/CS scaffolds. (***Compared to other groups, p < 0.001, n = 6)Back to article page