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. 2025 Mar;65(1):120-136.
doi: 10.1007/s12088-024-01336-0. Epub 2024 Jun 23.

Nanomaterial-Based Biosensors for the Detection of COVID-19

Affiliations

Nanomaterial-Based Biosensors for the Detection of COVID-19

Manju Tewari et al. Indian J Microbiol. 2025 Mar.

Abstract

The COVID-19 outbreak began in December 2019 and has affected people worldwide. It was declared a pandemic in 2020 by the World Health Organization. Developing rapid and reliable diagnostic techniques is crucial for identifying COVID-19 early and preventing the disease from becoming severe. In addition to conventional diagnostic techniques such as RT-PCR, computed tomography, serological assays, and sequencing methods, biosensors have become widely accepted for identifying and screening COVID-19 infection with high accuracy and sensitivity. Their low cost, high sensitivity, specificity, and portability make them ideal for diagnostics. The use of nanomaterials improves the performance of biosensors by increasing their sensitivities and limiting detection by several orders of magnitude. This manuscript briefly reviews the COVID-19 outbreak and its pathogenesis. Furthermore, it comprehensively discusses the currently available biosensors for SARS-CoV-2 detection, with a special emphasis on nanomaterials-based biosensors developed to detect this emerging virus and its variants efficiently.

Keywords: BioFET; Biosensor; COVID-19; CRISPR-Cas; Colorimetric; Electrochemical; Nanomaterial; SARS-CoV-2; Surface plasmon resonance.

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Conflict of interest statement

Conflict of interestThe authors declare no conflict of interest.

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