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. 2022 Feb 22;20:91. doi: 10.1186/s12951-022-01290-3

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© The Author(s) 2022

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 7 — Fluorescence microscopic images of DAPI stained MCF-7 cells following 48 h of exposure to untreated cells (control) (a), free DOX (IC50) (b), free DOX (50 μg/mL) (c), DOX-loaded micelles (IC50) (d), and DOX-loaded micelles (50 μg/mL) (e). The percentages of apoptotic cell death in MCF-7 cells after being exposed to free DOX, and DOX-loaded micelles (f). As displayed in the diagram, DOX-loaded polymeric micelles yield highly considerable apoptosis (p < 0.01) in comparison to free DOX. Each value represents the mean value ± standard deviation (n = 3, *p < 0.05, ** p < 0.01, *** p < 0.001, ****p < 0.0001). Images were taken at magnification (×200) and (×400)