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一个低成本的手持式离心微流体系统,用于基于同热放大的多重视觉检测.

Nan Wang1, Xiaobin Dong1, Yijie Zhou1

  • 1Institute of Microfluidic Chip Development in Biomedical Engineering, College of Information Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.

Sensors (Basel, Switzerland)
|August 10, 2024
PubMed
概括

一个新的低成本的手持设备可以使用复合聚合酶放大 (RPA) 来实现多重视觉检测. 该系统为多个目标提供快速的现场测试,包括非洲猪瘟病毒 (ASFV).

关键词:
在 RPA RPA 中使用.离心式微流体离心式微流体这是一个手持式手持式手持式手持式.多重复杂的多重复杂的多重复杂视觉检测 视觉检测 视觉检测

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科学领域:

  • 生物技术是生物技术.
  • 微流体学 微流体学
  • 分子诊断学 分子诊断

背景情况:

  • 护理点诊断需要便携式和具有成本效益的解决方案.
  • 多重检测通过同时分析多个目标来提高诊断效率.
  • 再组合聚合酶放大 (RPA) 提供快速的同热核酸放大,适用于现场应用.

研究的目的:

  • 开发一个低成本的,手持式离心微流体系统,用于多重视觉检测.
  • 在便携式设备中将RPA放大与视觉检测集成在一起.
  • 为了证明该系统能够检测多个目标,例如非洲猪瘟病毒 (ASFV) 基因.

主要方法:

  • 开发一个紧的离心微流体芯片与四个并行反应单元.
  • 将加热,光学,旋转和传感模块集成到手持伴随设备中.
  • 采用非接触式加热,磁感应控制的混合和离心电机,以及优化的视觉光检测.

主要成果:

  • 该系统成功执行了多重RPA放大和视觉检测.
  • 实现了75个副本/ASFV基因测试的检测极限 (LOD),相当于基于管的RPA.
  • 使用眼睛或智能手机对结果进行直接视觉观察.

结论:

  • 开发的手持系统为多重视觉检测提供了具有成本效益和便携性的解决方案.
  • 这项技术有可能在资源有限的环境中进行快速的现场诊断.
  • 该系统能够有效检测多个核酸点,包括特定的病毒基因.