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. Author manuscript; available in PMC: 2014 Jun 18.
Published in final edited form as: Biomaterials. 2010 Nov 5;32(1):10–18. doi: 10.1016/j.biomaterials.2010.08.073

Fig. 1.

Fig. 1

(a) Representative XPS spectrum of the HeartMate II Ti inner surface (14 % Ti, 43 % O2, 41 % C, 2 % N). (b) XPS spectrum of Ti-coated slides prepared according to the Materials and Methods (22 % Ti, 52 % O2, 23 % C, 2 % N). The carbon atom peaks and small nitrogen atom peaks in the XPS spectra reflect contaminations from the environment on the surfaces [10]. (c) Atomic force microscopy image of our Ti surface topography.