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External material accession systems and methods

  • US 6,149,787 A
  • Filed: 10/14/1998
  • Issued: 11/21/2000
  • Est. Priority Date: 10/14/1998
  • Status: Expired due to Term
First Claim
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1. A method of sampling fluid, comprising:

  • (a) dipping an open end of an open ended capillary element comprising a capillary channel disposed therethrough, into a source of second fluid the capillary channel being filled with a first fluid;

    (b) withdrawing the capillary element from the second fluid;

    (c) permitting an amount of the second fluid remaining on the open ended capillary to spontaneously inject into the capillary channel;

    (d) dipping the capillary element into a third fluid after a first selected time period, the first selected time period being controlled to control the amount of the first fluid permitted to spontaneously inject into the open ended capillary channel.

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