Issue 5, 2023

Advances in droplet digital polymerase chain reaction on microfluidic chips

Abstract

The PCR technique has been known to the general public since the pandemic outbreak of COVID-19. This technique has progressed through three stages: from simple PCR to real-time fluorescence PCR to digital PCR. Among them, the microfluidic-based droplet digital PCR technique has attracted much attention and has been widely applied due to its advantages of high throughput, high sensitivity, low reagent consumption, low cross-contamination, and absolute quantification ability. In this review, we introduce various designs of microfluidic-based ddPCR developed within the last decade. The microfluidic-based droplet generation methods, thermal cycle strategies, and signal counting approaches are described, and the applications in the fields of single-cell analysis, disease diagnosis, and pathogen detection are introduced. Further, the challenges and prospects of microfluidic-based ddPCR are discussed. We hope that this review can contribute to the further development of the microfluidic-based ddPCR technique.

Graphical abstract: Advances in droplet digital polymerase chain reaction on microfluidic chips

Article information

Article type
Critical Review
Submitted
31 aug 2022
Accepted
30 jan 2023
First published
08 feb 2023

Lab Chip, 2023,23, 1258-1278

Advances in droplet digital polymerase chain reaction on microfluidic chips

D. Xu, W. Zhang, H. Li, N. Li and J. Lin, Lab Chip, 2023, 23, 1258 DOI: 10.1039/D2LC00814A

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