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Fluorescence microscopy images of hBMSCs on S5 scaffold after 1 day (A), 3 days (B), 5 days (C), and 7 days (D) of culture.
Notes: The live cells were stained green and dead cells were stained red. S5, PEEK–10 wt% nano-HAP–0.2 wt% GNSs–0.8 wt% CNTs.
Abbreviations: hBMSCs, human bone marrow mesenchymal stem cells; CNTs, carbon nanotubes; GNSs, graphene nanosheets; HAP, hydroxyapatite; PEEK, polyethere-therketone.
