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

Figure 1.

Figure 1

Scanning electron microscope (SEM) images of poly-ε-caprolactone (PCL)-ref, PCL–COOH, and PCL–TiCaPCON nanofibers before (left column) and after biomimetic mineralization for 1, 3, 7 and 14 days.