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. 2020 Jan 14;25(2):333. doi: 10.3390/molecules25020333

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© 2020 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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Cell proliferation after exposure for 24 h to (a) free doxorubicin (μM) and (b) unloaded nanoparticles (NP) and nanoparticles loaded with DOX (NP + DOX; μM), for all cell lines. Shown are arithmetic means ± SEM (n = 6). (a) * significantly different from control (p < 0.05; Student’s t test). (b) * significantly different from control; ^# significantly different from each other (p < 0.05; ANOVA + Student-Neuman–Keuls test); ^ns not significant (p < 0.05; ANOVA + Student-Neuman–Keuls test).