Research Article

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

Figure 4

The images of roxithromycin reacted with concentrated H2SO4 in different samples after 48 h release and the drug release profile of antibacterial drug (roxithromycin) from the samples with or without polymer coatings: (a) TNTD samples. (b) TNTDP-PEG samples, (c) TNTDP-CS samples, and (d) the drug release profile.
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