Convenient Two-step Method Constructed Silicon-based Microfluidic Chip for Fast CYP2C19 SNPs Detection

Overview

Journal RSC Adv

Publisher Royal Society of Chemistry

Specialty Chemistry

Date 2024 Aug 20

PMID 39161448

Authors

Haobo Wang

Chi Yan

Hua Tong

Xiaojun Ye

Xiao Yuan

Cui Liu

Hongbo Li

Affiliations

Soon will be listed here.

Abstract

The rapid detection of single nucleotide polymorphisms (SNPs) in the CYP2C19 gene is crucial for precise clopidogrel usage. Quantitative real-time polymerase chain reaction (qPCR), as a powerful amplification tool, has been widely employed for CYP2C19 SNPs detection. However, traditional qPCR suffers from long amplification times and high reagent consumption. To address these challenges, this work presents a microfluidic SNPs detection device based on on-chip qPCR. The device includes a rapid thermal cycling system, an optical detection system, a control system, and a complementary silicon-glass chip for CYP2C19 SNPs detection. Compared to commercial qPCR instruments that take 1 hour for testing, this device completes the test in just 15 minutes (40 PCR cycles). The resulting linearity is similar to that found using commercial qPCR instruments but with higher amplification efficiency. Additionally, compared with other silicon-based qPCR chips, this chip is constructed by using a convenient two-step method and offers low manufacturing costs, which potentially reduces single-test costs to an acceptable level. This makes our chip promising for point-of-care testing (POCT).

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