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. 2015 Jun 17;10(6):e0129577. doi: 10.1371/journal.pone.0129577

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© 2015 Garvas et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 5 — (A) Rate of sedimentation measured through the absorbance at 400 nm on a UV-VIS spectrometer up to one day. (B) Relative proportion of the remaining TiO₂-NTs in dispersion after centrifugation at 15000 rpm (r = 6.2 cm) for 20 min. (C) Average hydrodynamic diameter of the remaining small aggregates and coated single nanotubes in dispersion of the TiO₂-NTs after centrifugation.