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Fabrication and characterization of electrospun 3D PCL scaffolds. (a) Schematic of concurrent electrospinning of PCL and PEO; (b) Macroscopic view of 3D scaffold; (c–d) SEM images of randomly oriented (c) and aligned (d) scaffold structure; (e) Quantification of average microfiber diameter (n = 3); (f) Quantification of average pore size (n = 3). Scale bar: 1 mm (b); 50 µm (c–d).
