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. 2020 Sep 2;10:14447. doi: 10.1038/s41598-020-71071-1

Figure 4.

Figure 4

In vitro cytotoxicity of (A) MSNs, MSNs-SH, MSNs-S-S-P, MSNs-CAIX and (B) DOX@MSNs, DOX@MSNs-CAIX, free DOX cultured with 4T1 cells for 6 h, 12 h, 24 h, respectively.