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. 2020 Sep 2;5(3):43. doi: 10.3390/biomimetics5030043

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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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SEM images of (A) the pristine PLA, (B) the modified PLA with 1% HAP, (C) the modified PLA with 2% HAP (D) the modified PLA with 1% MWCNTs and (E) the modified PLA with 2% MWCNTs, together with histograms providing the fiber diameter distribution (red curves: fiber distribution curves).

SEM images of (A) the pristine PLA, (B) the modified PLA with 1% HAP, (C) the modified PLA with 2% HAP (D) the modified PLA with 1% MWCNTs and (E) the modified PLA with 2% MWCNTs, together with histograms providing the fiber diameter distribution (red curves: fiber distribution curves).