Zongzhao Sun, Shuying Li, Yao Jiang, Yuchun Qiao, Liyan Zhang, Lulu Xu, Jinghui Liu, Wei Qi, Hua Wang*, Silver Nanoclusters with Specific Ion Recognition Modulated by Ligand Passivation toward Fluorimetric and Colorimetric Copper Analysis and Biological Imaging，Nature Scientific Reports, 2016, 6, 20553.