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一个生物灵感的微流体核酸传感平台,用于快速并同时查病毒性呼吸道感染

Xiaoya Wu^1,2, Yan Su¹, Yue Xu³

¹State Key Laboratory of Biopharmaceutical Preparation and Delivery, PLA Key Laboratory of Biopharmaceutical Production & Formulation Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, People's Republic of China.

|May 29, 2025

概括

一个新的自动供电的微流体平台使得病毒性呼吸道病原体如流感和SARS-CoV-2的快速,同时查成为可能. 这种便携式医疗点检测 (POCT) 设备提供了经济高效的,不需要外部的分散诊断.

科学领域:

生物仿真工程生物仿真工程
临床诊断临床诊断临床诊断临床诊断
分子生物学分子生物学

背景情况:

微流体设备对于分散的流行病诊断至关重要,但通常需要外部,限制可移植性.
现有的护理点测试 (POCT) 由于飞机内流动性设计,难以处理和携带样品.
同时爆发的常规和新出现的病毒性呼吸道感染需要先进的诊断解决方案.

研究的目的:

开发一种自动供电,手持的微流体传感平台,用于同时对多种病毒性呼吸道病原体进行核酸查.
为了克服当前微流体诊断设备中外部送装置的局限性.
为分散式诊断创建一个便携式,可访问和具有成本效益的POCT解决方案.

主要方法:

一个新的微流体设计,灵感来自植物根毛发,用于使用重力进行无液体运输.
连接级联复合酶聚合酶放大 (RPA) 和侧流测定 (LFA) 进行快速检测.
从有限的生物标本同时检测A型流感,B型流感和SARS-CoV-2.

主要成果:

该平台在40分钟内实现了三种病毒病原体的快速视觉读取.
已证明高检测灵敏度低至0.18副本/μL,与qPCR相比.
临床样本的回顾性分析显示93.2%的灵敏度和97.7%的特异性.
实现了低单位成本,每次测试约为1.4美元.

结论:

开发的生物模拟微流体平台提供了一种自动供电的便携式解决方案,用于快速,多重的病毒病原体查.
这项技术通过消除对外部的需求,增强了去中心化诊断,特别是在资源有限的环境中.
这种具有成本效益和效率的设计对未来在公共卫生监测中的治疗点测试应用具有重大前景.

关键词:

POCT POCT 在线观看生物模拟结构是生物模拟结构.微流体学在微流体学方面核酸检测核酸检测检测病原体查病原体查

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