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PLASMON ASSISTED CONTROL OF OPTOFLUIDICS

  • US 20080245430A1
  • Filed: 01/25/2008
  • Published: 10/09/2008
  • Est. Priority Date: 01/26/2007
  • Status: Active Grant
First Claim
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1. A method of microfluidic control via localized heating, the method comprising:

  • providing a microchannel structure with a base region, the microchannel structure being partially filled with a volume of liquid and a gas at an ambient temperature, the volume of liquid and the gas being separated by a liquid-gas interface region within the microchannel structure, the base region including one or more physical structures;

    supplying energy input to a portion of the one or more physical structures within the volume of liquid in a vicinity of the liquid-gas interface region to cause localized heating of the portion of the one or more physical structures;

    transferring heat from the portion of the one or more physical structures to surrounding liquid in the vicinity of the liquid-gas interface region; and

    generating an interphase mass transport at the liquid-gas interface region in the microchannel structure, wherein the volume of liquid and the gas remain to be substantially at the ambient temperature.

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