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A reaction-type receptor for the multi-feature detection of Hg2+ in water and living cells

Abstract

A vital challenge in the design of optical and redox-active receptors is how to couple a specific recognition center with a valid response system aimed to facilitate the multi-feature detections. Herein, we present a reaction-type receptor incorporating ferrocenyl function into rhodamine B fluorophore via a well-defined acylthiourea bridge for the multi-model analysis of Hg2+ in water and living cells. This receptor has been successfully used to efficiently survey Hg2+ in aqueous medium by chromogenic, fluorogenic, and electrochemical assessments with a low detection limit (1.60×10-8 M) and a fast response time (<3 min). Especially, it is also competent to be a fluorescent probe for monitoring Hg2+ in living cells. A plausible sensing mechanism was proposed and rationalized on account of theoretical calculations.

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Supplementary files

Article information


Submitted
21 Apr 2020
Accepted
23 Jun 2020
First published
23 Jun 2020

New J. Chem., 2020, Accepted Manuscript
Article type
Paper

A reaction-type receptor for the multi-feature detection of Hg2+ in water and living cells

M. Zhao, G. Shao, Y. Guo, Y. Tang, J. Liu and D. Guo, New J. Chem., 2020, Accepted Manuscript , DOI: 10.1039/D0NJ01995J

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