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. 2018 Apr 4;13:2037–2049. doi: 10.2147/IJN.S155532

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© 2018 Lu et al. This work is published and licensed by Dove Medical Press Limited

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Fluorescence microscopy of MG-63 cells cultured for 4 hours on (A) Ti substrates, (B) air-TNTs, and (C) H₂-TNTs. Actin is shown in red and cell nucleus is shown in blue.

Abbreviations: Ti, titanium; air-TNTs, air-annealed TiO₂ nanotubes; H₂-TNTs, hydrogenated TiO₂ nanotubes.