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Survival fractions in logarithmic scale of the colony formation assays at different X-ray doses (0–10 Gy) with AuNPs 1 (red), AuNPs 7 (green), and without AuNPs (blue) incubation. Single colony formation assays (CFAs) with DMSO are shown at 2 Gy for AuNPs 1 (light red) and AuNPs 7 (light green) and at 0 Gy in absence of AuNP (light blue).
