A highly selective and sensitive rhodamine-derived fluorescent probe for detection of Cu 2

Linlin Lv, Quanping Diao
Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy 2017 May 15, 179: 221-226
A novel water-soluble and reversible fluorescent probe was designed and synthesized based on a rhodamine B derivative. It was used for detection of Cu2+ in drinking water and in living cells with high sensitivity and excellent selectivity. The tested concentration range and the limit of detection (LOD) of the probe were 0-15.00μmolL-1 and 0.085μmolL-1 , respectively. In addition, the mode of binding and mechanism of interaction between the probe and Cu2+ were analyzed by density functional theory (DFT) calculations.

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