Figure 4
From: Graphene based scaffolds effects on stem cells commitment
Immunostaining of neurospheres deriving from NSCs seeded on graphene films up to14 days. Cells are stained with DAPI (blue) and beta-tubulin (green) at day 1 (A), day 3 (B), day 7 (C), and day 14 (D). NSCs differentiated on graphene substrates display neurites growing to various directions and distances, indicating the development of neural networks [29].