Selective mercury(ii) detection in aqueous solutions upon the absorption changes corresponding to the transition moments polarized along the short axis of an azobenzene chemosensor
Literature Information
Publication Date
2020-01-06
DOI
10.1039/C9AN02286D
Impact Factor
4.616
Authors
Lei Zhang, Zhenyu Tang, LiLi Hou, Yang Qu, Yawen Deng, Chenghao Zhang, Congxia Xie, Zhongtao Wu
View Original
Abstract
A completely water soluble azobenzene chemosensor 1 for selective detection of Hg2+ was synthesized. Taking advantage of the absorption changes corresponding to the transition moments polarized along the short axis of an azobenzene, 1 showed characteristic UV-Vis signal changes in the band around 240 nm for Hg2+ in wide pH ranges, which also showed good tolerance to various metal ions and photoirradiation. Upon addition of Hg2+ into the solution of 1, a favored formation of trans-1 was observed, which is attributed to an intramolecular coordination of the PEG chain and Nβ to Hg2+ confirmed by a control experiment test.
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Source Journal
Analyst
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Analyst publishes analytical and bioanalytical research that reports premier fundamental discoveries and inventions, and the applications of those discoveries, unconfined by traditional discipline barriers.
Recommended Compounds
4-Methyl-2-oxo-2H-chromen-7-yl 2-acetamido-2-deoxy-3-O-(6-deoxy-alpha-L-galactopyranosyl)-beta-D-glucopyranoside
CAS Number:
383160-12-1
Molecular Formula:
C24H31NO12
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tert-butyl 8-benzyl-2,8-diazaspiro[4.5]decane-2-carboxylate
CAS Number:
336191-16-3
Molecular Formula:
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