Fig. 2From: Enhanced wound repair ability of arginine-chitosan nanocomposite membrane through the antimicrobial peptides-loaded polydopamine-modified graphene oxideA SEM and AFM images of CS, CS-Arg, ly-GO/CS-Arg and ly-PDA@GO/CS-Arg nanocomposite membrane, bar lengths are 20 μm (SEM) and 5 × 5 μm (AFM). B Water contact angle and C tensile strength of CS (a), CS-Arg (b), ly-GO/CS-Arg (c) and ly-PDA@GO/CS-Arg (d) nanocomposite membrane, P < 0.05, n = 3Back to article page