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Integrated nucleic acid diagnostic device

  • US 6,197,595 B1
  • Filed: 04/19/1999
  • Issued: 03/06/2001
  • Est. Priority Date: 06/29/1995
  • Status: Expired due to Term
First Claim
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1. A method of directing a fluid sample in a miniature fluidic system, comprising:

  • providing a microfabricated device having at least first and second chambers disposed therein, wherein each of said at least first and second chambers is in fluid connection with a common chamber or channel, has at least first and second controllable valves disposed across said fluid connection, respectively, and wherein at least one of said first and second chambers include a vent;

    applying a positive pressure to said common chamber or channel;

    selectively opening said at least first controllable valve, whereby said positive pressure forces said fluid sample from said common chamber or channel into said first chamber.

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