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Mercury(II) Ion Detection via Pyrene‐Mediated Photolysis of Disulfide Bonds
Author(s) -
Yin BinCheng,
You Mingxu,
Tan Weihong,
Ye BangCe
Publication year - 2012
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201103348
Subject(s) - pyrene , mercury (programming language) , detection limit , chemistry , photodissociation , selectivity , fluorescence , photochemistry , ion , disulfide bond , chromatography , organic chemistry , catalysis , optics , biochemistry , physics , computer science , programming language
A novel probe design of a pyrene‐disulfide molecular assembly has been proposed and its application for the fluorescence turn‐on detection of mercury(II) ions (Hg 2+ ) has been demonstrated. By taking advantage of the pyrene‐assisted efficient photolysis of disulfide bonds, our proposed sensing system exhibits both high selectivity and sensitivity toward Hg 2+ detection with a detection limit of 5 n M (1 ppb) (see figure).
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