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. 2022 Nov 30;10:1088823. doi: 10.3389/fchem.2022.1088823

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Copyright © 2022 Miao, Ti, Lu, Zhao, Xu, Chen and Bao.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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In vitro photothermal killing effect of CDDP@m-CuS-PEG on tumor cells. (A) Cell viability assay of MDA-MB-231 cells incubated with m-CuS-PEG at different concentrations (0, 1, 10, 20, 50, 100, 200 and 400 μg/ml) under NIR laser irradiation for 10 min every 12 h. (B) Cell viability assay of MDA-MB-231 cells incubated with m-CuS-PEG, free CDDP, m-CuS-PEG + Laser and PDD@m-CuS-PEG + Laser (100 μg/ml); (C,D) Hemolytic properties of m-CuS-PEG at different concentrations. All sample sizes are 3.