An ultra-sensitive selective fluorescent sensor based on a 3D zinc-tetracarboxylic framework for the detection and enrichment of trace Cu2+ in aqueous media. - Han, Mei-Rong; Dong, Wen-Xia; Feng, Si-Si; Lu, Li-Ping; Li, Zhong-Ping (Dalton Transactions: An International Journal of Inorganic Chemistry, 2021)