Research Article

Biodegradable Polymer/TiO2 Nanotubes Loaded Roxithromycin as Nanoarray Capsules for Long-Lasting Antibacterial Properties of Titanium Implant

Figure 2

XPS spectra of different samples: (a) TNT samples, (b) PEG layer coated on the TNT surface, (c) chitosan layer coated on the TNT surface.
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(b)
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