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. 2017 Apr 12;12:2995–3007. doi: 10.2147/IJN.S128775

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© 2017 Li et al. This work is published and licensed by Dove Medical Press Limited

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FTIR spectra of (A) TNTs with no absorption wave; (B) MNA-TNTs with a wave number at 1,534.5 cm⁻¹ attributed to the −NO₂ peak from MNA; (C) GL13K-TNTs with amide peaks at 1,630 and 1,540 cm⁻¹ from GL13K.

Abbreviations: FTIR, Fourier transform infrared spectroscopy; MNA, metronidazole; MNA-TNTs, MNA-immobilized TNTs; TNTs, TiO₂ nanotubes.