Research Article

Facile Synthesis, Characterization, and Cytotoxic Activity of Europium-Doped Nanohydroxyapatite

Figure 6

Optic microscope images of oral fibroblast (HGF-1) treated with (a) HAP and (b) HAPEu10% nanoparticles. After their treatment, no changes in morphology and size are appreciated; however, a decreased viability was observed. Treatment conditions are the same as those describe in Section 2.3.1.
(a)
(b)