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. 2021 Mar 10;13(6):851. doi: 10.3390/polym13060851

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© 2021 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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Vertically shifted FTIR spectra for (a) untreated (U_f), distilled water (W_f), and alkali-treated (A_f) hemp fibers; (b) U_f, water + silane (WS_f) and alkali + silane (AS_f) treated hemp fibers with the wavenumbers for differences observed.