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Column separation system for electrophoresis with sample pretreatment

  • US 5,085,756 A
  • Filed: 08/21/1990
  • Issued: 02/04/1992
  • Est. Priority Date: 08/21/1990
  • Status: Expired due to Term
First Claim
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1. An apparatus, useful for separating molecules by capillary electrophoresis, comprising:

  • an elongated tube having a substantially cylindrical bore, said elongated tube defining a first portion and a second portion, wherein the first portion includes means for filtering molecules on the basis of molecular weight, the second portion of a construction sufficient to permit separations of molecules by electrical charge when flowed through the bore, the first and second portions in sequential fluid communication.

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