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. 2019 Jun 26;7:159. doi: 10.3389/fbioe.2019.00159

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Copyright © 2019 Girão, Wieringa, Pinto, Marques, Micera, van Wezel, Ahmed, Truckenmueller and Moroni.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Surface chemical modification of PA scaffolds. (a) Chemical structure of PA block copolymers; Morphological properties of the untreated PA 300 (b) and PA 1000 (c) electrospun fibers; ATR-FTIR spectra of the UV functionalized PA 300 (d) and PA 1000 (e) electrospun fibers at several time points; changes in the peaks intensity of UV functionalized PA 300 (f) and PA 1000 (g) scaffolds relatively to the untreated samples at several time points. Scale bars = 10 μm.