Figure 5From: Biophysiochemical properties of endothelial cells cultured on bio-inspired collagen filmsMMP-1 and MMP-2 of HUVECs. Bright field (gray), nucleus (blue), MMP-1/EGFP (green), and MMP-2/mCherry (red) images of normal (A) and abnormal HUVECs (B) cultured for 24 h. Scale bar = 100 μm.Back to article page