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Plasmonic Approaches for the Detection of SARS-CoV-2 Viral Particles

Sabine Szunerits 1, 2 Hiba Saada 1, 2 Quentin Pagneux 1, 2 Rabah Boukherroub 1, 2 
1 NBI - IEMN - NanoBioInterfaces - IEMN
IEMN - Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520
Abstract : The ongoing highly contagious Coronavirus disease 2019 (COVID-19) pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), underlines the fundamental position of diagnostic testing in outbreak control by allowing a distinction of the infected from the non-infected people. Diagnosis of COVID-19 remains largely based on reverse transcription PCR (RT-PCR), identifying the genetic material of the virus. Molecular testing approaches have been largely proposed in addition to infectivity testing of patients via sensing the presence of viral particles of SARS-CoV-2 specific structural proteins, such as the spike glycoproteins (S1, S2) and the nucleocapsid (N) protein. While the S1 protein remains the main target for neutralizing antibody treatment upon infection and the focus of vaccine and therapeutic design, it has also become a major target for the development of point-of care testing (POCT) devices. This review will focus on the possibility of surface plasmon resonance (SPR)-based sensing platforms to convert the receptor-binding event of SARS-CoV-2 viral particles into measurable signals. The state-of-the-art SPR-based SARS-CoV-2 sensing devices will be provided, and highlights about the applicability of plasmonic sensors as POCT for virus particle as well as viral protein sensing will be discussed.
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Submitted on : Monday, August 8, 2022 - 1:39:45 PM
Last modification on : Tuesday, August 9, 2022 - 3:47:16 AM

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Sabine Szunerits, Hiba Saada, Quentin Pagneux, Rabah Boukherroub. Plasmonic Approaches for the Detection of SARS-CoV-2 Viral Particles. Biosensors, MDPI, 2022, Special Issue Fundamentals of SARS-CoV-2 Biosensors, 12 (7), pp.548. ⟨10.3390/bios12070548⟩. ⟨hal-03747566⟩

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