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New Pyridine-Bridged Ferrocene-Rhodamine Receptor for the Multifeature Detection of Hg2+ in Water and Living Cells.


ABSTRACT: A challenge in the design of optical and redox-active receptors is how to combine a specific recognition center with an efficient responsive system to facilely achieve multifeature detection in biological and environmental analyses. Herein, a novel ferrocene-rhodamine receptor conjugated with a pyridine bridge was designed and synthesized. This receptor can sensitively sense Hg2+ in aqueous media via chromogenic, fluorogenic, and electrochemical multisignal outputs with a low detection limit and fast response time. Moreover, it can be qualified as a fluorescent probe for effectively monitoring Hg2+ in living cells. A plausible recognition mode was proposed and rationalized with theoretical calculations.

SUBMITTER: Guo YS 

PROVIDER: S-EPMC7377637 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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New Pyridine-Bridged Ferrocene-Rhodamine Receptor for the Multifeature Detection of Hg<sup>2+</sup> in Water and Living Cells.

Guo Yu-Shuang YS   Zhao Mei M   Wang Qiong Q   Chen Yu-Qin YQ   Guo Dian-Shun DS  

ACS omega 20200707 28


A challenge in the design of optical and redox-active receptors is how to combine a specific recognition center with an efficient responsive system to facilely achieve multifeature detection in biological and environmental analyses. Herein, a novel ferrocene-rhodamine receptor conjugated with a pyridine bridge was designed and synthesized. This receptor can sensitively sense Hg<sup>2+</sup> in aqueous media via chromogenic, fluorogenic, and electrochemical multisignal outputs with a low detectio  ...[more]

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