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. 2020 Sep 17;10(1):2001232. doi: 10.1002/adhm.202001232

Figure 2.

Figure 2

A) Schematic principle of auxetic designs with transverse expansion under tensile load and B) implemented in a tubular MEW scaffold. C) Polypyrrole (PPy) coating of auxetic patches enhancing electroconductive properties. D) Scanning electron microscope (SEM) images of neat PCL, PPy‐coated MEW fibers and E) showing Live/dead staining of neonatal cardiac fibroblasts after 48 h on PCL and PPy‐coated PCL fibers. A,C–E) Reproduced with permission.[ 58 ] Copyright 2020, Wiley‐VCH GmbH. B) Adapted under the terms of the Creative Commons CC‐BY license.[ 25 ] Copyright 2020 The Authors. Published by Elsevier Ltd.