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Morphology of fabricated scaffolds, PCL/PLLA (A, ×500), and PCL/PLLA/nHA (B, ×500) and (C, ×5000) nanofibers. As shown in the micrographs, electrospun scaffolds have a bead-free and oriented structure and HA nanoparticles are obvious within fibers. Thicker fibers are blends of PCL/HA and thinners are PLLA/HA.
