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Table 1 Physical surface features of the experimental substrates

From: Improved in vitro angiogenic behavior on anodized titanium dioxide nanotubes

Surface

RMSa (nm)

NT diameter (nm)

NT length (nm)

Non-anodized Ti6Al4V

3.71 ± 0.68

N/A

N/A

Ti6Al4V-NTs

19.19 ± 0.22*

70 ± 6.4

361 ± 13.1

Ti6Al4V-rough

190.66 ± 2.66**

N/A

N/A

  1. The differences in RMS between the substrates illustrate an increase in surface roughness after anodization. The NT diameter and length were obtained from TEM and FE-SEM analyses respectively. Values are mean ± SD, n = 3
  2. *, ** p < 0.05 compared to non-anodized Ti6Al4V and Ti6Al4V-NTs respectively
  3. aData obtained from 4 μm2 AFM scans