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Researchers at Iowa State University (ISU) are developing a graphene-based method to transform stem cells into Schwann-like cells (cells of great importance for various nerve regeneration efforts). If successful, this process has potential to replace the complicated and expensive process used today.
The team’s method uses inkjet printers to print multi-layer graphene circuits and also uses lasers to treat and improve the surface structure and conductivity of those circuits. It turns out that mesenchymal stem cells adhere and grow well on the treated circuit’s rough 3D nanostructures. With the addition of small doses of electricity – 100 millivolts for 10 minutes per day over 15 days – the stem cells become Schwann-like cells.