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(A) Scheme of the Nanospider technology: 1—steel wire as the positive electrode, 2—steel orifice with a polymer solution reservoir, 3—fiber formation, 4—nanofiber layer collected on a supportive textile material, 5—steel wire as the negative electrode. (B) SEM images of an electrospun PCL layer: magnification bars—100, 10, and 3 μm.
