Biocompatibility and Angiogenic Effect of Chitosan/Graphene Oxide Hydrogel Scaffolds on EPCs

Figure 4

Isolation, culture, and identification of EPCs (provided by Guangdong Cord Blood Bank). Newly isolated primary cells (a) and cells cultured for 3–5 (b) and 7 (c) days. (d) Flow cytometry identification results of primary cells. (e) Matrigel tubule formation experiment of primary cells.

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