A thioether-rich crown-based highly selective fluorescent sensor for Hg(2+) and Ag(+) in aqueous solution

Dalton Transactions : an International Journal of Inorganic Chemistry
Tao ChenXuhong Qian

Abstract

A new fluorescent sensor 1, based on the naphthalimide chromophore and thioether-rich crown receptor, exhibited dual signaling behaviors for Hg(2+) and Ag(+) in aqueous solution. Upon addition of Hg(2+), the fluorescence intensity enhanced in a linear fashion with a quantum yield increase of about 5-fold. Moreover, with the 1-Hg(2+) complex, Ag(+) was easily recognized by a marked fluorescence quenching. The living cells image experiments demonstrate the value of sensor 1 in fluorescent visualization of Hg(2+) ions in biological systems.

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Citations

Feb 19, 2011·Journal of Fluorescence·Yamin LiJilin Yan
Sep 27, 2013·Inorganic Chemistry·Ajit Kumar MahapatraChitrangada Das Mukhopadhyay
Mar 13, 2012·Photochemistry and Photobiology·Hannah W MbatiaShawn C Burdette
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Nov 5, 2013·Bioorganic & Medicinal Chemistry·Ponnaboina Thirupathi, Keun-Hyeung Lee
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Dec 21, 2011·Chemical Society Reviews·Ha Na KimJuyoung Yoon
Jun 28, 2016·Journal of Colloid and Interface Science·Yao TangWeiping Zhu
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Aug 6, 2014·Organic & Biomolecular Chemistry·Ponnaboina ThirupathiKeun-Hyeung Lee
May 11, 2012·Dalton Transactions : an International Journal of Inorganic Chemistry·Lin XuXuhong Qian
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Nov 10, 2018·ACS Omega·Chinna Ayya Swamy PDuraisamy Chellappa

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