TABLE 1.

Chemical composition and relative atomic ratios^a

Atom	Atomic %
	Ti	Ti-P	Ti-P-EN
C	9.19	20.88	34.92
N	0.97	2.08	6.17
O	65.28	17.24	40.88
Si	4.77	6.38	4.81
Ti	17.92	2.94	13.23

^aAbbreviations: Ti, titanium; Ti-P, PEG-modified titanium; Ti-P-EN, PEG- and enoxacin-modified titanium.