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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 4. — Physical status characterization: XRD patterns of the raw materials (ethyl cellulose (EC), poly(vinyl pyrrolidone) (PVP), and acetaminophen (APAP)) and the drug-loaded nanofibers: F1 (prepared by single fluid electrospinning), F3 and F4 (prepared by coaxial electrospinning).