1 State Key Lab of Metal Matrix Composites, School of Materials Science an Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China. ktao@sjtu.edu.cn.
2 Department of Neurology, Shanghai 5th People's Hospital, Fudan University, Shanghai, 200240, P. R. China. danhongwu@fudan.edu.cn.
Phototoxicity is an undesirable consequence of photodynamic and most sonodynamic therapies. In the current work, we showed that Er2O3 nanoplates can avoid being cytotoxic when exposed to light and could be an effective sonosensitizer.