Electrochemical Biosensor for the Detection of SARS-CoV-2 Main Protease and Its Inhibitor Ebselen

Overview

Journal Int J Electrochem Sci

Date 2023 Jun 26

PMID 37359208

Authors

Qiongyu Zhang

Gang Liu

Lingbin Ou

Affiliations

Soon will be listed here.

Abstract

This work reported an electrochemical method for the detection of SARS-CoV-2 major protease (Mpro). Specifically, ferrocene (Fc)-labeled peptide substrates were immobilized on the gold nanoparticles (AuNPs)-modified electrode. Cleavage of the peptides by Mpro led to the release of Fc tags and the decrease of the electrochemical signals. The analytical performance of the biosensor for analysis of Mpro was investigated. Inhibiting the activity of Mpro prevented the cleavage of the peptide substrates. The method was successfully used to evaluate the inhibition efficiency of a well-known inhibitor.

Citing Articles

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Bao Q, Li G, Yang Z, Liu J, Wang H, Pang G Ionics (Kiel). 2023; 29(5):2021-2029.

PMID: 37073286 PMC: 9995174. DOI: 10.1007/s11581-023-04944-w.

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