Turn-On Fluorescent Sensor\nfor Selective Detection\nof Zn<sup>2+</sup>, Cd<sup>2+</sup>, and Hg<sup>2+</sup> in Water
Meng Li (79487)Hai-Yan Lu (1837363)Rui-Li Liu (2096071)Jun-Dao Chen (2096074)Chuan-Feng Chen (654212)
Abstract
A new fluorescent chemosensor based on a helical imide\nas fluorophore\nand a cyclen moiety as ionophore was synthesized, which not only showed\nenhanced fluorescent responses in the presence of Zn<sup>2+</sup>,\nCd<sup>2+</sup>, and Hg<sup>2+</sup> but also could simultaneously\nand selectively distinguish the three cations in a simulated physiological\ncondition with the help of cysteine as an auxiliary reagent.
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