Recent advances in nanomaterials based biosensors for point of care (PoC) diagnosis of Covid-19 – A minireview

Early diagnosis and ultrahigh sample throughput screening are the need of the hour to control the geological spread of the COVID-19 pandemic. Traditional laboratory tests such as enzyme-linked immunosorbent assay (ELISA), reverse transcription polymerase chain reaction (RT-PCR) and computed tomograp...

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Veröffentlicht in:TrAC, Trends in analytical chemistry (Regular ed.) Trends in analytical chemistry (Regular ed.), 2021-04, Vol.137, p.116205-116205, Article 116205
Hauptverfasser: Gowri, Annasamy, Ashwin Kumar, N., Suresh Anand, B.S.
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Ashwin Kumar, N.
Suresh Anand, B.S.
description Early diagnosis and ultrahigh sample throughput screening are the need of the hour to control the geological spread of the COVID-19 pandemic. Traditional laboratory tests such as enzyme-linked immunosorbent assay (ELISA), reverse transcription polymerase chain reaction (RT-PCR) and computed tomography are implemented for the detection of COVID-19. However, they are limited by the laborious sample collection and processing procedures, longer wait time for test results and skilled technicians to operate sophisticated facilities. In this context, the point of care (PoC) diagnostic platform has proven to be the prospective approach in addressing the abovementioned challenges. This review emphasizes the mechanism of viral infection spread detailing the host-virus interaction, pathophysiology, and the recent advances in the development of affordable PoC diagnostic platforms for rapid and accurate diagnosis of COVID-19. First, the well-established optical and electrochemical biosensors are discussed. Subsequently, the recent advances in the development of PoC biosensors, including lateral flow immunoassays and other emerging techniques, are highlighted. Finally, a focus on integrating nanotechnology with wearables and smartphones to develop smart nanobiosensors is outlined, which could promote COVID-19 diagnosis accessible to both individuals and the mass population at patient care. [Display omitted] •Emphasizing the huge demand for affordable point of care diagnostic tools to control the global COVID-19 pandemic.•Highlighting the recent advances in the development of PoC based optical and electrochemical biosensors.•Reviewed the application of wearables and smart nanobiosensors for real time monitoring of COVID-19.
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source ScienceDirect Journals (5 years ago - present)
subjects COVID-19 diagnosis
Electrochemical biosensors
Nanoparticles
Optical biosensors
Smart nanobiosensors
Wearable biosensors
title Recent advances in nanomaterials based biosensors for point of care (PoC) diagnosis of Covid-19 – A minireview
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