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(A) The electrospinning setup for generating scaffolds consisting of radially aligned nanofibers. (B) Electric field strength vectors calculated for the region between the spinneret and the collector. (C) Photograph of a scaffold of radially aligned nanofibers directly deposited on the ring collector. (D) SEM image showing the radial alignment for the nanofibers in the scaffold. The circular features behind the nanofibers were dents on the conductive carbon tape.
