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Reconfigurable microfluidic pump enabled by opto-electrical-thermal transduction

机译:光电热传导实现可重构微流体泵

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摘要

Flexible integration of a microfluidic system comprising pumps, valves, and microchannels was realized by an optoelectronic reconfigurable microchannels (OERM) technique. Projecting a low light fluidic device pattern-e.g., pumps, valves, and channels-onto an OERM platform generates Joule heating and melts the substrate in the bright area on the platform; thus, the fluidic system can be reconfigured by changing the projected light pattern. Hexadecane was used as the substrate of the microfluidic system. The volume change of hexadecane during the liquid-solid phase transition was utilized to generate pumping pressure. The system can pump nanoliters of water within several seconds.
机译:包含泵,阀和微通道的微流体系统的灵活集成是通过光电可重构​​微通道(OERM)技术实现的。在OERM平台上投影低光射流设备图案(例如泵,阀和通道)会产生焦耳热,并熔化平台上明亮区域中的基板;因此,可以通过改变投射的光图案来重新配置流体系统。十六烷用作微流体系统的底物。在液-固相转变过程中十六烷的体积变化被用来产生泵送压力。该系统可以在几秒钟内泵送纳升的水。

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  • 来源
    《Applied Physics Letters》 |2013年第17期|174101.1-174101.4|共4页
  • 作者单位

    Department of Mechanical and Aerospace Engineering, University of California, Los Angeles, Los Angeles 90095, USA,Department of Micro-Nano Systems Engineering, Nagoya University, Aichi 464-8603, Japan;

    Department of Mechanical and Aerospace Engineering, University of California, Los Angeles, Los Angeles 90095, USA;

    Department of Mechanical and Aerospace Engineering, University of California, Los Angeles, Los Angeles 90095, USA;

    Department of Mechanical and Aerospace Engineering, University of California, Los Angeles, Los Angeles 90095, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
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