Label-free and near-zero-background-noise photoelectrochemical assay of methyltransferase activity based on a Bi2S3/Ti3C2 Schottky junction

Yamin Fu; Feng Ding; Jinhua Chen; Mengyue Liu; Xiaohua Zhang; Cuicui Du; Shihui Si

doi:10.1039/D0CC01835J

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Label-free and near-zero-background-noise photoelectrochemical assay of methyltransferase activity based on a Bi₂S₃/Ti₃C₂ Schottky junction†

Yamin Fu,^a Feng Ding,^a Jinhua Chen,

*^a Mengyue Liu,^a Xiaohua Zhang,

^a Cuicui Du^a and Shihui Si*^b

Author affiliations

* Corresponding authors

^a State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, P. R. China
E-mail: chenjinhua@hnu.edu.cn

^b College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
E-mail: sishihui@163.com
Fax: +86-731-88821848
Tel: +86-731-88821848

Abstract

Herein, a novel label-free photoelectrochemical (PEC) sensing platform with near-zero background noise was developed for M.SssI CpG methyltransferase (M.SssI MTase) activity assay based on a new Schottky junction of Bi₂S₃/Ti₃C₂ nanosheets. The proposed PEC sensor exhibited a low detection limit and a high signal-to-noise ratio for M.SssI MTase assay.

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Article information

DOI: https://doi.org/10.1039/D0CC01835J
Article type: Communication
Submitted: 10 Mar 2020
Accepted: 15 Apr 2020
First published: 15 Apr 2020

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Chem. Commun., 2020,56, 5799-5802

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Label-free and near-zero-background-noise photoelectrochemical assay of methyltransferase activity based on a Bi₂S₃/Ti₃C₂ Schottky junction

Y. Fu, F. Ding, J. Chen, M. Liu, X. Zhang, C. Du and S. Si, Chem. Commun., 2020, 56, 5799 DOI: 10.1039/D0CC01835J

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Chemical Communications