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Low voltage miniaturized column analytical apparatus and method

  • US 5,645,702 A
  • Filed: 06/07/1995
  • Issued: 07/08/1997
  • Est. Priority Date: 06/07/1995
  • Status: Expired due to Term
First Claim
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1. A miniaturized column analytical apparatus comprising:

  • (a) a miniaturized column device comprising;

    (i) a body having an elongate separation compartment having first and second opposing sides along the elongate dimension;

    (ii) two or more sets of spaced apart antennas positioned along the opposing sides of the separation compartment, each set containing a plurality of antennas, one antenna from each set being associated with at least one antenna from each of the other sets to form repeating sequences of antennas along the separation compartment on said sides of the separation compartment, each set of the antennas being associated with a different oscillating alternating current electrical potential to provide a plurality of oscillating electric fields along the elongate separation compartment to draw a target substance along said elongate separation compartment toward an exit end thereof, and(b) a detector for detecting the target substance passing through the elongate separation compartment.

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