A glucose/O2 biofuel cell integrated with an exonuclease-powered DNA walker for self-powered sensing of microRNA

Xiao Zhao; Wenfang Deng; Yueming Tan; Qingji Xie

doi:10.1039/D1CC06732J

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A glucose/O₂ biofuel cell integrated with an exonuclease-powered DNA walker for self-powered sensing of microRNA†

Xiao Zhao,^a Wenfang Deng,^a Yueming Tan

*^a and Qingji Xie

Author affiliations

* Corresponding authors

^a Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
E-mail: tanyueming0813@hunnu.edu.cn

Abstract

With the aid of an exonuclease-powered DNA walker, the amount of glucose oxidase immobilized on the bioanode can be facilely tailored by varying the concentration of microRNA-141, so a glucose/O₂ biofuel cell is employed as a self-powered sensor for sensitive and selective detection of microRNA-141.

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Article information

DOI: https://doi.org/10.1039/D1CC06732J
Article type: Communication
Submitted: 30 Nov 2021
Accepted: 02 Feb 2022
First published: 03 Feb 2022

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Chem. Commun., 2022,58, 2922-2925

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A glucose/O₂ biofuel cell integrated with an exonuclease-powered DNA walker for self-powered sensing of microRNA

X. Zhao, W. Deng, Y. Tan and Q. Xie, Chem. Commun., 2022, 58, 2922 DOI: 10.1039/D1CC06732J

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Chemical Communications