Figure 9From: Immobilization of pamidronic acids on the nanotube surface of titanium discs and their interaction with bone cellsAlizarin Red S staining of MC3T3-E1 osteoblasts. The cells were cultured on (a) Ti, (b) nt-TiO2, and (c) nt-TiO2-P for 15 days: the calcium-containing area was stained in red.Back to article page