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. 2022 Jan 17;14(1):214. doi: 10.3390/pharmaceutics14010214

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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/).

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Representative TEM images for (A–C) PLGA@Ag₂S_R1 NPs obtained by route 1. (D–F) PLGA@Ag₂S_R2 NPs obtained by route 2, and (G–I) PLGA@Ag₂S_R3 NPs obtained by route 3.