Fig. 10From: Reduced graphene oxide coated alginate scaffolds: potential for cardiac patch applicationGene expression of VEGFR2 by qRT-PCR analysis after 7 days of cell culturing on the scaffolds. * (p < 0.05), ** (p < 0.01), *** (p < 0.001) and **** (p < 0.0001) indicate significant difference compared with other groups (n = 3)Back to article page