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Apparatus and method for performing microfluidic manipulations for chemical analysis

  • US 6,001,229 A
  • Filed: 08/01/1994
  • Issued: 12/14/1999
  • Est. Priority Date: 08/01/1994
  • Status: Expired due to Term
First Claim
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1. An apparatus for effecting material transport, comprising:

  • an injection channel;

    a separation channel having first and second ends and being in fluid communication with the injection channel at an intersection;

    first and second reservoirs in fluid communication with the injection channel and respectively containing first and second fluids containing first and second materials, respectively;

    a third reservoir in fluid communication with the separation channel at said first end and containing a third fluid containing a third material; and

    means for applying and actively controlling an electric potential at each of the first, second and third reservoirs simultaneously to impart movement of the first and third materials from the first and third reservoirs into the intersection and then into the separation channel said application and control of said electric potential causing the materials from the first and third reservoirs to be mixed.

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