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. 2022 Dec 9;13(4):289. doi: 10.3390/jfb13040289

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© 2022 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/).

PMC Copyright notice

Side-by-side electrospinning. (A) (a) In vitro drug release curve and (b) mechanism by which Janus fibers provide a biphasic release curve (reprinted with permission from [199]. Copyright©2020, Elsevier). (B) Drug release mechanism diagram (reprinted with permission from [200]). (C) In vitro release curve of CIP from drug−-loaded fibers and pure drug granules (reprinted with permission from [201]. Copyright©2020, Elsevier B.V. All rights reserved.). (D) (a) Phase II drug release curve and (b) Janus fiber release drug mechanism (reprinted with permission from [202]. Copyright©2015, Elsevier B.V. All rights reserved.).