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. 2019 Oct 22;9(10):1501. doi: 10.3390/nano9101501

Figure 5.

Figure 5

Carbon nanotube- polycaprolactone (PCL–CNT) scaffolds used for bone regeneration (A): (a) AFM images of the surface topography of the printed PCL–MWCNT scaffolds; (b) SEM images of cell morphology at day 14 on the PCL-MWCNT scaffold. (B) Fluorescence microscopy images of (a) PCL and (b) PCL-3 wt.% MWCNTs; and (c) confocal images of cell morphology on surfaces of all PCL–MWCNT scaffolds at 14 day. (C) ALP activity of bone marrow stem cells (BMSCs) cultured on different scaffolds at 3, 7, and 10 days, * p < 0.05. Reproduced with permission from [187,189]. Elsevier, 2019, 2012.