Figure 6

ROS level of A549 cell after incubated with 75 μg ml−1 pristine nAg, CA-nAg, FA-nAg and TA-nAg for 24 h (The significant difference were signed with different letters).

ROS level of A549 cell after incubated with 75 μg ml−1 pristine nAg, CA-nAg, FA-nAg and TA-nAg for 24 h (The significant difference were signed with different letters).