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. 2021 Jun 25;13(13):2098. doi: 10.3390/polym13132098

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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 (https://creativecommons.org/licenses/by/4.0/).

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A frame sequence showing the accelerated electrospinning of the modified PA 6 solution driven by the sinus wave signal. The electrode with no instability (a) generated the first Taylor cone (b,c), followed by the creation of multiple cones (d,e). The efficient spinning area was characterized by a high number of thicker cones (f–h). The cones slowly diminished (i,j). The last jet (k) collapsed, thus leading to the initial state (l), which lasted for the rest of the half-wave (around 3.62 ms).

A frame sequence showing the accelerated electrospinning of the modified PA 6 solution driven by the sinus wave signal. The electrode with no instability (a) generated the first Taylor cone (b,c), followed by the creation of multiple cones (d,e). The efficient spinning area was characterized by a high number of thicker cones (f–h). The cones slowly diminished (i,j). The last jet (k) collapsed, thus leading to the initial state (l), which lasted for the rest of the half-wave (around 3.62 ms).