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The ratio of Bcl2/Bax mRNA in V79 cells. Cells were exposed to DMSA/Ag2S QDs at the dosages of 0, 125, 250, 500, and 1000 μg/mL for 24 h. *Significant difference as compared to the negative control (p<0.05). Negative control (1% PBS)
Ag2S: Silver sulfide, QDs: Quantum dots, DMSA: Meso-2,3-dimercaptosuccinic acid, PBS: Phosphate buffered saline
