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Representative scanning electron micrographs of electrospun 12% PCL-PLGA (1:1): (A,C,E) control scaffolds contained no KGN and (B,D,F) experimental scaffolds contained 16.7 mg of KGN per gram of polymer blend. (A–D) Meshes are shown as fabricated and (E,F) after 28 days of soaking in PBS. Scale bar: (A,B) 10 μm; (C–F) 1 μm.
