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. 2022 Apr 19;14(9):1634. doi: 10.3390/polym14091634

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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

Schematic illustration of the mechanism of siRNA delivery by tFNA nanomaterial. Reprinted with permission from Ref. [134]. Copyright 2021, American Chemical Society.