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Schematic used by Wu T. et al. [104] to create a three-layered graft. (A) Aligned PLCL/collagen fibers were collected on a rotating mandrel. (B) A customized electrospinning set up was used to generated PLGA/SF yarns comprised the middle layer by twining on the inner layer. (C) A thin outer layer of random electrospun PCLC/collagen nanofibers was used to bind the construct together. Reproduced with permission of Elsevier.
