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Measurement of caspase-3 activity in GO-AgNP-treated cells. Caprine fetal fibroblast cells (CFFCs) were treated with 0, 4, and 8 µg/mL of GO-AgNPs for 24 h. The percentage of caspase-3 activity relative to the control group (0 µg/mL) was determined. Values are presented as the mean ± SD of four independent experiments (* p < 0.05).
