Research Article

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

Figure 1

Features of CS/GO hydrogel scaffolds (from left to right: the hydrogel scaffolds with 0, 0.1, 0.5, and 1.0 wt.%GO): (a) CS/GO hydrogel scaffolds directly spread on a 12-well plate. (b) CS/GO hydrogel scaffolds crosslinked for 24 h. (c) Front view of the hydrogel scaffolds. (d) Side view of the hydrogel scaffolds. (e) CS/GO hydrogel scaffolds after vacuum freeze-drying.
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