Issue 14, 2022

Micro-PCR chip-based multifunctional ultrafast SARS-CoV-2 detection platform

Abstract

When dealing with infectious pathogens, the point-of-care screening and diagnosis strategy should be low-cost, simple, rapid and accurate. Here, we report a multifunctional rapid PCR platform allowing both simultaneous screening of suspected cases and accurate identification and quantification of the virus. Based on the platform, samples suspected of being infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are screened first, after which subsequent precise quantification of the virus (SARS-CoV-2) can be performed if necessary. This fast screening technique offers a detection limit of 10 nucleic acid copies per test during the entire running time of 15 minutes, with a throughput of 9 samples at a time. Besides, depending on a droplet microfluidic chip, this platform could also provide assays of nucleic acids across four orders of magnitude of concentration within less than 15 minutes. Additionally, we successfully use the platform to quickly distinguish between positive and negative cases in clinical samples and rapidly quantify the viral load in each sample, which is consistent with standard RT-qPCR tests. As such, we demonstrate a promising and versatile rapid PCR platform for point-of-care diagnosis of infectious diseases.

Graphical abstract: Micro-PCR chip-based multifunctional ultrafast SARS-CoV-2 detection platform

Supplementary files

Article information

Article type
Paper
Submitted
31 Janv. 2022
Accepted
01 Maijs 2022
First published
04 Maijs 2022

Lab Chip, 2022,22, 2671-2681

Micro-PCR chip-based multifunctional ultrafast SARS-CoV-2 detection platform

H. Yin, Z. Tong, C. Shen, X. Xu, H. Ma, Z. Wu, Y. Qi and H. Mao, Lab Chip, 2022, 22, 2671 DOI: 10.1039/D2LC00101B

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