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Microfluidic devices and methods

  • US 6,730,516 B2
  • Filed: 07/29/2002
  • Issued: 05/04/2004
  • Est. Priority Date: 02/23/2000
  • Status: Expired due to Fees
First Claim
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1. A method for chemically affecting a sample comprising:

  • providing a microanalysis chip including a body having a transfer-separation channel with a channel bottom having a bottom opening;

    inserting a pillar into the bottom opening such that a sample supported by the pillar communicates with the transfer-separation channel; and

    passing a reagent fluid into the transfer-separation channel in order for the reagent fluid to come in contact with the sample to chemically affect the sample.

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