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. 2020 May 27;25(11):2498. doi: 10.3390/molecules25112498

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© 2020 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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PTIR structural comparison of FF and Boc-FF fibrils in D₂O. Chemical structure and AFM morphology maps of (a) Boc-FF and (b) FF fibrils. (c) Comparison of the fibrils averaged PTIR spectra in the amide I (green and yellow) and C=O stretching vibration (red) spectra ranges. (d) Comparison of the second derivatives spectra in the amide band I region [72].