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. 2021 Feb 23;13(2):295. doi: 10.3390/pharmaceutics13020295

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

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Exemplary fluorescence microscopy images of JHH520 cells after incubation with AuPVA-FITC NPs. Image (a) shows DAPI signals of cell DNA, image (b) FITC signals corresponding to AuPVA-FITC NPs and (c) a combined DAPI and FITC image.