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Sensitive photoelectrochemical assay of Pb2+ based on DNAzyme-induced disassembly of the “Z-scheme” TiO2/Au/CdS QDs system

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Abstract

Herein, based on DNAzyme-induced disassembly of the “Z-scheme” TiO2/Au/CdS QDs system, a facile and sensitive photoelectrochemical biosensor was developed for lead ion assay and a low detection limit of 0.13 pM was obtained.

Graphical abstract: Sensitive photoelectrochemical assay of Pb2+ based on DNAzyme-induced disassembly of the “Z-scheme” TiO2/Au/CdS QDs system

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Article information


Submitted
01 May 2020
Accepted
15 Jun 2020
First published
15 Jun 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Sensitive photoelectrochemical assay of Pb2+ based on DNAzyme-induced disassembly of the “Z-scheme” TiO2/Au/CdS QDs system

L. Meng, M. Liu, K. Xiao, X. Zhang, C. Du and J. Chen, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC03149F

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