Stem Cells International / 2018 / Article / Fig 3

Research Article

The Efficacy of Graphene Foams for Culturing Mesenchymal Stem Cells and Their Differentiation into Dopaminergic Neurons

Figure 3

Material characterization of the graphene foam coated with collagen coating and cross-linked with genipin. (a) Scanning electron microscopy (SEM). (b) Current-voltage (-) characteristics. (c) Raman and (d) XRD spectra, respectively.