Two new reversible naphthalimide‐based fluorescent chemosensors for Hg 2+ | Zendy

Li Gongchun | Zendy; Gao Guangqin | Zendy; Cheng Junye | Zendy; Chen Xiaopo | Zendy; Zhao Yufen | Zendy; Ye Yong | Zendy

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Two new reversible naphthalimide‐based fluorescent chemosensors for Hg 2+

Author(s) -

Li Gongchun,

Gao Guangqin,

Cheng Junye,

Chen Xiaopo,

Zhao Yufen,

Ye Yong

Publication year - 2016

Publication title -

luminescence

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.428

H-Index - 45

eISSN - 1522-7243

pISSN - 1522-7235

DOI - 10.1002/bio.3063

Subject(s) - fluorescence , chemistry , imidazole , naked eye , ion , amide , photochemistry , stereochemistry , detection limit , organic chemistry , chromatography , physics , quantum mechanics

Naphthalimide‐based fluorescent probes 1 and 2 were synthesized, and were designed to form probe–Hg complexes through Hg 2+ ions coordinated to the amide group and imidazole group. They showed high sensitivity and were selective ‘naked‐eye’ chemosensors for Hg 2+ in phosphate buffer. The fluorescence of compounds 1 and 2 could be quenched up to 90% by the addition of Hg 2+ . Reversible probes can detect Hg 2+ ions over a wide pH range (7.0–10.0). Copyright © 2015 John Wiley & Sons, Ltd.

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