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. 2017 Mar 9;7:131. doi: 10.1038/s41598-017-00278-6

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© The Author(s) 2017

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(a) Quantification of Au₂₅P1₉ uptake by A549 cells (b) CLSM images of A549 cells treated with 800 µM of Au₂₅P1₉ for 48 h and the cell nuclei were stained with Hoechst 33342. (c) GPx-1 activity suppressed by Au₂₅P1₉ in a dose dependent manner in A549 cells. (d) CLSM images of cellular ROS level of A549 cells treated with Au₂₅P1₉ for 48 h, Scale bar is ~11 µm.