Fig. 2
From: Silver Nanoparticles Induce HePG-2 Cells Apoptosis Through ROS-Mediated Signaling Pathways
6-coumarin-labeled AgNPs in HePG-2 cells. The HePG-2 cells were treated with 6-coumarin-marked AgNPs for different periods of time and stained with Lyso Tracker Red (lysosome) and DAPI (nucleus) under fluorescent microscope