Effects of Surface Nanotopography and Calcium Chemistry of Titanium Bone Implants on Early Blood Platelet and Macrophage Cell Function

Table 1

Chemical composition of investigated surfaces by X-ray photoelectron spectroscopy (atomic %).

Group	Ti2p	O1s	C1s	Ca2p	Na1s	N1s
Ti	18.4	53.7	25.1		1.7	1.1
Nano	22.2	55.4	21.7		< 0.1	0.7
Nano/Ca	12.2	51.3	22.1	12.8	0.8	0.8