Figure 1.

Scheme of titania nanotubes fabricated on Ti wire as a bone implant. (a) TNT layer formed on a cleaned Ti wire using electrochemical anodisation, (b) the loading drugs inside TNT structures and (c) the release of drug molecules from TNTs immersed in phosphate buffer.

Gulati et al. Nanoscale Research Letters 2011 6:571   doi:10.1186/1556-276X-6-571
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