Figure 2From: Human urine-derived stem cells in combination with polycaprolactone/gelatin nanofibrous membranes enhance wound healing by promoting angiogenesis The characteristics of PCL/GT. SEM images of electrospun PCL/GT (A: a) and PCL (A: b) membranes; (B) images of water droplets on PCL and PCL/GT scaffolds; (C) FTIR spectra of electrospun membranes; (D) Degradation behavior of PCL/GT composite mesh; (E) Stress–strain curves of the fibrous membranes. Scale bar = 5 μm.Back to article page