Development and Challenges of Pathogen Molecular Point-Of-Care Testing Systems Based on Microfluidic Technology

iLABMED Pub Date : 2025-02-14 DOI:10.1002/ila2.70
Shanshan Ren, Donglai Liu, Sihong Xu
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Abstract

Molecular point-of-care testing (POCT) is characterized by high sensitivity, low reagent demand, fast mixing speed, rapid turnaround time, and ease of use, making it appealing for diagnosing infectious diseases. Currently, most commercial molecular POCT systems are based on microfluidic platforms integrating complex fluid manipulation systems, such as sample processing, separation, reaction, and detection, with functional modules on a chip of just a few square centimeters to achieve rapid target detection. This review summarizes the latest advances in molecular POCT systems based on microfluidic platforms for diagnosing infectious diseases from academic and industrial perspectives. First, we cover microfluidic chips, the core component of molecular POCT systems, including materials, preparation processes, fluid drivers, and control units. Then, we describe key techniques implemented in molecular POCT systems for diagnosing infectious diseases, namely nucleic acid detection and reagent storage. Finally, we discuss clinical applications and development directions and highlight challenges in the quality control of molecular POCT systems.

Abstract Image

基于微流控技术的病原体分子即时检测系统的发展与挑战
分子点护理检测(POCT)具有灵敏度高、试剂需要量少、混合速度快、周转时间短、使用方便等特点,对传染病的诊断具有很大的吸引力。目前,大多数商业化的分子POCT系统都是基于微流控平台,将样品处理、分离、反应、检测等复杂的流体操作系统与功能模块集成在仅几平方厘米的芯片上,实现快速的目标检测。本文从学术和工业两方面综述了基于微流控平台的分子POCT系统在传染病诊断中的最新进展。首先,我们介绍微流控芯片,分子POCT系统的核心组件,包括材料,制备工艺,流体驱动和控制单元。然后,我们描述了分子POCT系统中用于传染病诊断的关键技术,即核酸检测和试剂存储。最后,我们讨论了分子POCT系统的临床应用和发展方向,并指出了分子POCT系统在质量控制方面面临的挑战。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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