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SEM images of MG-63 cell attachment and spreading on: (a) carbon nanofibrous (CNF) scaffolds without gold nanoparticles (CNF scaffold), (b) CNF scaffolds containing 2.5 wt% of gold nanoparticles (CNF/2.5% AuNPs), and (c) CNF scaffold with 5 wt% of sprayed AuNPs. Scale bar = 10 μm. Adapted from [166], Elsevier, 2020.
