Figure 23.

(a) GrF-PLC sample in tensile test setup; (b) GrF-PLC sample in tension showing signs of necking; (c) GrF-PLC after tensile failure, load prior to failure can be seen to be borne by a few high strength strands. (d,e) SEM images of graphene foam scaffold with human mesenchymal stem cells (hMSCs); (f,g) SEM images of graphene foam-PLC hybrid scaffold with human mesenchymal stem cells (hMSCs); (h) Fluorescence microscopy image of stem cells on graphene foam, cells appears severely stretched and thinned; (i) Fluorescence microscopy images of stem cells on graphene foam-PLC scaffold [82].