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. 2021 Apr 23;22(9):4436. doi: 10.3390/ijms22094436

Figure 2.

Figure 2

Survival of MDA-MB-231 and T47D cells, as determined by clonogenic assays. The surviving fractions of each cell line and each condition were plotted against the radiation dose. (A) Cells were exposed to 0.5 mM PtNPs for 6 h; irradiated at 2, 4, or 6 Gy; and cultured for 14 days (MDA-MB-231, 5 replicates) or 28 days (T47D, two independent sets of 5 replicates). (B) Cells were exposed to 0.5 mM PtNPs for 24 h; irradiated at 1, 2, 4, or 6 Gy; and cultured for 14 days (MDA-MB-231, 5 replicates) or 28 days (T47D, 5 replicates).