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A novel ferrocenyl−naphthalimide as a multichannel probe for the detection of Cu(II) and Hg(II) in aqueous media and living cells

Abstract

A novel multichannel probe 1 ferrocenyl−naphthalimide was designed and synthesized by using an easy method. The color of the solution containing probe 1 changed from yellow to colorless upon the addition of Cu2+ and Hg2+, respectively. Interestingly, probe 1 exhibited highly selective fluorescent turn-on for Cu2+ and turn-off for Hg2+ in aqueous solution. The probe 1 was a electrochemical Cu2+ and Hg2+ ion sensor in which the Fc/Fc+ redox couple was significantly shifted (ΔE1/2= 178 mV and ΔE1/2= 53 mV) on complexation, respectively. Therefore, probe 1 can act as a naked-eye chemosensor, electrochemical and a fluorescent probe for Cu2+ and Hg2+, respectively. Furthermore, this is the first reported that the probe can bifunctional fluorescent detect intracellular Cu2+ and Hg2+ by fluorescent imaging studies. These superiorities make this probe a great potential for the study and analysis of Cu2+ and Hg2+ in complex biosystems.

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Publication details

The article was received on 23 Oct 2017, accepted on 06 Dec 2017 and first published on 07 Dec 2017


Article type: Paper
DOI: 10.1039/C7DT03982D
Citation: Dalton Trans., 2017, Accepted Manuscript
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    A novel ferrocenyl−naphthalimide as a multichannel probe for the detection of Cu(II) and Hg(II) in aqueous media and living cells

    J. dong, J. hu, H. Baigude and H. Zhang, Dalton Trans., 2017, Accepted Manuscript , DOI: 10.1039/C7DT03982D

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