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Fig. 2 | BioMedical Engineering OnLine

Fig. 2

From: Surface functionalization of TiO2 nanotubes with minocycline and its in vitro biological effects on Schwann cells

Fig. 2

The wettability of TiO2 nanotubes prepared under different voltage. Contact angles as measured on a TiO2 nanotubes at 20 V, b TiO2 nanotubes at 30 V, c TiO2 nanotubes at 40 V, d TiO2 nanotubes at 50 V. e The contact angles for each group (mean ± SD, n = 6). Bars with dissimilar letters indicate significantly different values (p < 0.05)

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