A competitive coordination-based immobilization-free electrochemical biosensor for highly sensitive detection of arsenic(V) using a CeO2–DNA nanoprobe

Limin Yang; Bin An; Xuehan Yin; Feng Li

doi:10.1039/D0CC01821J

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A competitive coordination-based immobilization-free electrochemical biosensor for highly sensitive detection of arsenic(v) using a CeO₂–DNA nanoprobe†

Limin Yang,^a Bin An,^a Xuehan Yin^a and Feng Li

*^a

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* Corresponding authors

^a College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, People's Republic of China
E-mail: lifeng@qau.edu.cn

Abstract

We developed a competitive coordination-based immobilization-free electrochemical biosensor for highly sensitive and selective detection of arsenic(V) using a CeO₂–DNA nanoprobe, which effectively circumvented complicated modification procedures and successfully achieved arsenic(V) determination in natural water samples.

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Article information

DOI: https://doi.org/10.1039/D0CC01821J
Article type: Communication
Submitted: 10 Mar 2020
Accepted: 02 Apr 2020
First published: 02 Apr 2020

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Chem. Commun., 2020,56, 5311-5314

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A competitive coordination-based immobilization-free electrochemical biosensor for highly sensitive detection of arsenic(V) using a CeO₂–DNA nanoprobe

L. Yang, B. An, X. Yin and F. Li, Chem. Commun., 2020, 56, 5311 DOI: 10.1039/D0CC01821J

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Chemical Communications