Fig. 4From: Laser-modified titanium surfaces enhance the osteogenic differentiation of human mesenchymal stem cellsScanning electron microscopy micrographs after culture for 7 days. hUC-MSCs on Ti control (a) and laser-processed titanium (LPT) (b, c) surfaces. CHO-k1 cells on Ti control (d) and LPT (e, f) surfaces. a x1000, b x500, c x800, d x600, e x400, f x800Back to article page