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. 2019 Dec 12;9(12):1769. doi: 10.3390/nano9121769

Figure 6.

Figure 6

Attenuated total reflection–Fourier transform infrared (ATR–FTIR) spectra of PCL, PCL–COOH, and PCL–TiCaPCON before (A) and after immersion in SBF (BD).