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. 2014 Jan 8;15(1):774–786. doi: 10.3390/ijms15010774

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© 2014 by the authors; licensee MDPI, Basel, Switzerland

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 5. — Compatibility investigation: ATR-FTIR spectra of the components (APAP, EC and PVP) and their electrospun nanofibers F1 (prepared by single fluid electrospinning) and F3, F4 (prepared by coaxial electrospinning) and the molecular structures of PAP, EC and PVP.