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.

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