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. 2018 Mar 16;8(3):170. doi: 10.3390/nano8030170

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© 2018 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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Confocal microscopy images of HepG2 cells incubated with Fe₃O₄@PDA@SH-βCD@DOXO at different time points. (1st row) blue-nuclei stained with Hoechst 33342; (2nd row) Red-DOXO fluorescence; (3rd row) represents column one and two combined.