Fig. 4From: Enhanced wound repair ability of arginine-chitosan nanocomposite membrane through the antimicrobial peptides-loaded polydopamine-modified graphene oxideA Cell proliferation, B area fraction and C morphology of NH3T3 cells cultured on CS (a), CS-Arg (b), ly-GO/CS-Arg (c) and ly-PDA@GO/CS-Arg (d) nanocomposite membrane, Scale bar lengths are 200 μm, P < 0.05, n = 3Back to article page