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在离心机微流体磁盘上的可编程流体网络.

Lourdes An Julius1, Sarai M Torres Delgado2, Rohit Mishra3

  • 1Fraunhofer Project Center at Dublin City University (FPC@DCU), Dublin City University, Glasnevin, Dublin 9, Ireland; School of Physical Sciences, Dublin City University, Glasnevin, Dublin 9, Ireland.

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概括

我们在离心盘上开发了可编程的流体网络,使用可溶性膜. 这一创新降低了制造成本,并允许单个磁盘执行多个测试,使诊断更容易获得.

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科学领域:

  • 生物医学工程 生物医学工程
  • 微流体学 微流体学
  • 实验室自动化 实验室自动化

背景情况:

  • 实验室在磁盘 (LoaD) 平台由于其集成能力,为生物医学诊断和实验室自动化提供了潜力.
  • 微流体芯片的一个主要挑战是与特定应用程序定制相关的高制造成本.
  • 需要可编程流体网络来克服这些局限性.

研究的目的:

  • 展示具有可编程流体网络的新型离心盘.
  • 为诊断应用展示具有成本效益和多功能的微流体解决方案.

主要方法:

  • 开发使用可溶膜门的离心盘.
  • 实施脉冲驱动的可溶膜门,用于连续释放试剂.
  • 使用电子实验室在磁盘上 (eLoaD) 无线阵列来启动多个离心机-气动溶解膜.

主要成果:

  • 演示了一个离心盘,它能够将六次连续的试剂释放到一个腔室或三次释放到两个腔室.
  • 使用eLoaD系统的磁盘成功地将八个试剂冲洗中的一个送入了四个反应室.
  • 同样的磁盘被用来显示两个和四个反应室的连续冲洗.

结论:

  • 可编程流体网络使不同试验类型的单盘架构成为可能,降低了成本并改善了整合.
  • 这项技术为传统的微型标题板和液体处理机器人提供了成本更低,更集成的替代方案.
  • 该方法促进了同时执行多个测试,降低了制造成本,并简化了可访问诊断的供应链.