2021
DOI: 10.1038/s41467-021-21121-7
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Rapid electrochemical detection of coronavirus SARS-CoV-2

Abstract: Coronavirus disease 2019 (COVID-19) is a highly contagious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Diagnosis of COVID-19 depends on quantitative reverse transcription PCR (qRT-PCR), which is time-consuming and requires expensive instrumentation. Here, we report an ultrasensitive electrochemical biosensor based on isothermal rolling circle amplification (RCA) for rapid detection of SARS-CoV-2. The assay involves the hybridization of the RCA amplicons with probes that were… Show more

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Cited by 327 publications
(303 citation statements)
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“…They can be used for gene detection of (1) gene such as nucleocapsid phosphoprotein (N-gene) [226], RdRp gene [267]; (2) antigen [234]; and (3) antibodies. The method can be easily implemented into portable devices offering simple operation and on-site detection [227]. Nanotechnology may help to improve diagnosis [268,269] using techniques such as advanced POCT (point of care tests) approaches [139].…”
Section: Discussionmentioning
confidence: 99%
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“…They can be used for gene detection of (1) gene such as nucleocapsid phosphoprotein (N-gene) [226], RdRp gene [267]; (2) antigen [234]; and (3) antibodies. The method can be easily implemented into portable devices offering simple operation and on-site detection [227]. Nanotechnology may help to improve diagnosis [268,269] using techniques such as advanced POCT (point of care tests) approaches [139].…”
Section: Discussionmentioning
confidence: 99%
“…An electrochemical biosensor based on RNA amplification using isothermal RCA and differential pulse voltammetry (DPV) was reported ( Fig. 7) [227]. It involves 4 simple steps: (1) sample collection, (2) extraction of RNA/DNA, (3) hybridization using RCA reaction, and (4) detection (Fig.…”
Section: Genetic-based Analysis: Pcr Rt-qpcr Lamp and Crisprmentioning
confidence: 99%
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