Fig. 7From: Laser-modified titanium surfaces enhance the osteogenic differentiation of human mesenchymal stem cellsCalcium deposition assay. Alizarin Red S staining of hUC-MSCs on Ti control and laser-processed titanium (LPT) after 7 and 14 days of culture in (a) basal medium and (b) osteogenic medium.***Statistically significant differences between Ti surfaces at p < 0.001. N = 3 ± SD. Ti titaniumBack to article page