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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: Colloids Surf B Biointerfaces. 2010 Sep 28;82(1):173–181. doi: 10.1016/j.colsurfb.2010.08.031

Table 2.

Surface Composition as Determined by ESCA

Sample Atomic Percent Atomic Ratio
C O Ti Al V Al/Ti V/Ti V/Al
Polished 21.96 50.00 23.95 3.59 0.50 0.15 0.021 0.14
RFGD 21.04 51.72 23.26 3.41 0.58 0.15 0.025 0.17
600C 24.13 49.48 13.10 8.52 4.78 0.65 0.37 0.57

- data are reproducible to ± 12% rsd or better

- N was also detected on all samples at below 0.6 at. %