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基于芯片的自动化设备用于双模式的临床检测食品传播病原体

Binfeng Yin¹, Haoyu Zhu¹, Shiyu Zeng¹

¹School of Mechanical Engineering, Yangzhou University, Yangzhou, 225127, China.

Biosensors & bioelectronics

|April 27, 2024

概括

这项研究介绍了一种新的微流体装置,用于快速自动检测食品传播细菌,如大肠杆菌 (E. coli). 便携式系统使用智能手机进行分析,为现场食品安全测试提供了重大进步.

科学领域:

食品安全和环境健康
微流体和芯片上的实验室技术.
生物感知和诊断技术

背景情况:

食品传播病原体对公众健康和环境构成重大风险.
目前的细菌检测方法往往是缓慢的,劳动密集的,不适合现场使用.
需要快速,自动化和便携式设备进行现场细菌检测.

研究的目的:

开发一种微自动化微流体装置,用于快速准确地检测细菌,特别是大肠杆菌 (大肠杆菌) O157:H7.7.
创建一个便携式和紧的系统,用于现场应用的 point-of-care测试 (POCT).
将彩度/光检测系统与基于智能手机的数据分析集成在一起.

主要方法:

开发一种类似贝的微流体芯片 (SMC) 用于分析和混合.
集成基于铜 (Cu2+) 代谢的色度/光系统,通过影响o-phenylenediamine (OPD) 的大肠杆菌代谢.
利用智能手机从芯片上读取RGB数据进行定量分析.

主要成果:

自动化微流体装置成功检测到了大肠杆菌O157:H7.7.
在10^2-10^6 CFU mL^-1.1的度范围内实现了定量分析.
该系统展示了高精度的自动检测能力.

结论:

开发的自动化微流体装置为传统细菌检测方法提供了一种高效和高精度的替代方案.
这种便携式系统提供了一个理想的解决方案,用于扩大E. coli检测在现场POCT中的应用.
该技术通过快速现场分析,提高食品安全和环境健康监测.

关键词:

两种模式的检测检测.埃舍里希亚大肠杆菌 (Escherichia coli) 是一个大肠杆菌.微型自动化设备的微型自动化设备.微流体芯片是一个微流体.医疗点检测 (POCT) 是指在医疗中心进行的检测.

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