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Gly–Gly–His tripeptide and silver nanoparticles-assisted electrochemical evaluation of copper (II) ions in aqueous environment

Abstract

Herein, we have developed a novel electrochemical sensor for the detection of Cu2+ with silver nanoparticles modified glassy carbon electrode and a tripeptide to selectively recognize target ions. Electrochemical impedance spectroscopy technique is applied to probe the electron transfer resistance of the sensing system. This method is demonstrated to be able to selectively detect Cu2+ in nanomolar range, which meets the requirements of the United States Environmental Protection Agency. It has great potential use for biological studies and environment surveys.

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Publication details

The article was received on 20 Jul 2018, accepted on 10 Aug 2018 and first published on 13 Aug 2018


Article type: Letter
DOI: 10.1039/C8NJ03625J
Citation: New J. Chem., 2018, Accepted Manuscript
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    Gly–Gly–His tripeptide and silver nanoparticles-assisted electrochemical evaluation of copper (II) ions in aqueous environment

    Y. Jiang, X. Chen, L. Lan, Y. Pan, G. Zhu and P. Miao, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8NJ03625J

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