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Microfluidic devices for fluid manipulation and analysis

  • US 8,557,198 B2
  • Filed: 09/02/2011
  • Issued: 10/15/2013
  • Est. Priority Date: 01/14/2003
  • Status: Expired due to Term
First Claim
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1. A microfluidic device for analyzing a liquid sample, the microfluidic device comprising:

  • a microfluidic channel having a first end and a second end;

    a sample inlet fluidly connected to the first end of the microfluidic channel for receiving the liquid sample;

    a filter interposed between the sample inlet and the first end of the microfluidic channel, wherein the filter is capable of removing selected particles from the liquid sample;

    a bellows pump fluidly connected to the second end of the microfluidic channel; and

    a liquid barrier interposed between the bellows pump and the second end of the microfluidic channel, wherein the liquid barrier is gas permeable and liquid impermeable.

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