Passively driven microfluidic device with simple operation in the development of nanolitre droplet assay in nucleic acid detection

Pei Heng Lin, Bor-Ran Li*

*此作品的通信作者

研究成果: Article同行評審

18 引文 斯高帕斯(Scopus)

摘要

Since nucleic acid amplification technology has become a vital tool for disease diagnosis, the development of precise applied nucleic acid detection technologies in point-of care testing (POCT) has become more significant. The microfluidic-based nucleic acid detection platform offers a great opportunity for on-site diagnosis efficiency, and the system is aimed at user-friendly access. Herein, we demonstrate a microfluidic system with simple operation that provides reliable nucleic acid results from 18 uniform droplets via LAMP detection. By using only micropipette regulation, users are able to control the nanoliter scale of the droplets in this valve-free and pump-free microfluidic (MF) chip. Based on the oil enclosure method and impermeable fabrication, we successfully preserved the reagent inside the microfluidic system, which significantly reduced the fluid loss and condensation. The relative standard deviation (RSD) of the fluorescence intensity between the droplets and during the heating process was < 5% and 2.0%, respectively. Additionally, for different nucleic acid detection methods, the MF-LAMP chip in this study showed good applicability to both genome detection and gene expression analysis.

原文English
文章編號21019
頁(從 - 到)1-11
頁數11
期刊Scientific reports
11
發行號1
DOIs
出版狀態Published - 12月 2021

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