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. 2017 Oct 12;9(10):503. doi: 10.3390/polym9100503

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© 2017 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 (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Curve fitting of the data in Figure 10 for the miscible PTyr-TPA/P4VP blends for the: (A) amide I absorption; (B) pyridine unit absorption; and (C) fraction of hydrogen-bonded pyridine units upon increasing the content of PTyr-TPA.