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. 2020 Nov 13;10(11):1549. doi: 10.3390/biom10111549

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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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Scanning electron microscopy (SEM) images, at different magnification (300x and 1600x) of some of the composites investigated: (a,b) PLA_10, (c,d) PLA_10_E, (e,f) PLA_25, (g,h) PLA_25_E.

Scanning electron microscopy (SEM) images, at different magnification (300x and 1600x) of some of the composites investigated: (a,b) PLA_10, (c,d) PLA_10_E, (e,f) PLA_25, (g,h) PLA_25_E.