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Thermal Measurement Techniques in Analytical Microfluidic Devices
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一种基于表面活性剂介导的电雾的活性矩阵数字微流体装置.

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  • 1The Hong Kong University of Science and Technology, Hong Kong. xiexinying@ust.hk.

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这项研究介绍了一种活性矩阵电雾化数字微流体 (DMF) 装置. 它可以使用低电压进行精确的滴滴操纵,为可扩展的DMF应用铺平了道路.

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科学领域:

  • 微流体学 微流体学
  • 材料科学 材料科学 材料科学
  • 电气工程 电气工程

背景情况:

  • 数字微流体 (DMF) 通常使用电湿进行滴滴操纵.
  • 现有的电雾化DMF设备受到直接驱动电极控制的限制,限制了可扩展性.
  • 表面活性剂介导的电雾化可以通过电气控制滴水的疏水性.

研究的目的:

  • 开发一个带有增强电极控制的活性矩阵 (AM) 电流化DMF设备.
  • 为了使低压滴滴操纵使用连续电流驱动.
  • 为了克服直驱DMF系统的电极数量限制.

主要方法:

  • 使用-锡-氧化物顶门自行调整薄膜晶体管制造AM电雾化DMF设备.
  • 在电池电路内集成薄膜晶体管,以解决和驱动滴滴.
  • 使用开发的AM DMF设备展示滴滴运输,分裂和合并.

主要成果:

  • 成功实施一个活性矩阵电雾化DMF装置.
  • 通过连续电流证明了低压滴滴操纵 (运输,分裂,合并).
  • 对可扩展的电雾化DMF系统的AM架构的验证.

结论:

  • 开发的AM电雾化DMF装置有效地操纵低电压下的水滴.
  • 这项技术显著扩大了DMF中可独立控制的电极的数量.
  • 它为先进的大规模电雾化DMF应用奠定了基础.