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HUVECs proliferation evaluation on different materials. (A) The optical density of different materials after culturing (*p<0.05), (B) a-b: Live cell staining photomicrograph of HUVECs (bar: 200 μm), and c: SEM images of HUVECs grown on different materials at day 4 (bar: 500 μm).
Abbreviations: PLCL, poly(L-lactide-co-ε-caprolactone); SF, silk fibroin; Hep, heparin; HUVECs, human umbilical vein endothelial cells.
