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. 2021 Dec 9;14:22. doi: 10.1007/s40820-021-00761-w

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© The Author(s) 2021

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/.

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Fig. 4 — a CLSM results of 4T1 cells uptake toward TGC/C6 and m_eTGC/C6 at 4 h. b Flow cytometric results and c quantitative flow analysis of 4T1 cells uptake of C6-labeled different formulations. d CLSM results of 4T1 cells were swallowed by macrophages after different treatments with m_wTGC and m_eTGC. e Flow histogram analysis and f quantitative flow analysis of 4T1 cells swallowed by macrophages after treatments with m_wTGC and m_eTGC. g CLSM results of intracellular ROS level. (***p < 0.001, **p < 0.01, n = 3)