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MRS Commun . Rapid testing for coronavirus disease 2019 (COVID-19)

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  • MRS Commun . Rapid testing for coronavirus disease 2019 (COVID-19)


    MRS Commun


    . 2022 Jan 20;1-12.
    doi: 10.1557/s43579-021-00146-5. Online ahead of print.
    Rapid testing for coronavirus disease 2019 (COVID-19)


    Alexander Biby 1 , Xiaochuan Wang 2 , Xinliang Liu 3 , Olivia Roberson 1 , Allya Henry 2 , Xiaohu Xia 1 4



    Affiliations

    Abstract

    Rapid testing, generally refers to the paper-based diagnostic platform known as "lateral flow assay" (LFA), has emerged as a critical asset to the containment of coronavirus disease 2019 (COVID-19) around the world. LFA technology stands out amongst peer platforms due to its cost-effective design, user-friendly interface, and low sample-to-readout times. This article aims to introduce its design, use, and practicality for the purpose of diagnosing SARS-CoV-2 infection. A connection is made from the normal COVID-19 immune response to the design and efficacy of rapid testing. Interference in test results is a challenge shared by most diagnostic platforms and can be rooted in various underlying issues. The current knowledge and situation about interference in rapid COVID-19 tests due to variant strains as well as vaccination are discussed. The cost and societal impact are reviewed as they play important roles in determining how to properly implement public testing practices. Perspectives on improving the performance, especially detection sensitivity, of LFA for COVID-19 are provided.

    Keywords: Biomedical; COVID-19; Nanostructure; Optical properties; Virus.

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