Characterization of Multiwalled Carbon Nanotube-Reinforced Hydroxyapatite Composites Consolidated by Spark Plasma Sintering

Figure 11

SEM images of osteoblastic cells on the sintered MWNT-reinforced HA composite after culturing for 1 day: (a1) pure HA; (b1) 1 vol%; (c1) 3 vol%; (d1) 5 vol%; and (e1) 10 vol% MWNT-reinforced HA composites, and (a2), (b2), (c2), (d2), and (e2) represent the high magnification images of (a1), (b1), (c1), (d1), and (e1), respectively.