Research Article

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

Figure 1

The nanostructure of surface topography of samples showed in SEM images: (a) Ti foil with the treatment of mechanically polishing, (b) TNT samples without drug loading, (c) PEG layer coated on the TNT surface, (d) chitosan layer coated on the TNT surface, (e) cross-sectional image of PEG layer coated on the TNT surface, (f) cross-section of chitosan coating.
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