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Device and a method for the electrophoretic separation of fluid substance mixtures

  • US 5,599,432 A
  • Filed: 11/08/1994
  • Issued: 02/04/1997
  • Est. Priority Date: 11/11/1993
  • Status: Expired due to Term
First Claim
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1. A device for the electrophoretic separation of complex fluid substance mixtures, comprising a channel system for carrier media, an injection device for the injection into a first carrier medium of a substance mixture to be separated, and a first separating path for the separation of the substance mixture in an electric field that is applied in the first carrier medium along the first separating path, wherein for the further separation of the substance mixture there is provided at least one second separating path having a second carrier medium, which second carrier medium is different from the first carrier medium, in which a further electric field is applied along the second separating path, which second separating path is inclined at an angle with respect to the first separating path and, downstream of and at a distance from the injection device for the substance mixture to be separated, extends in such a manner that the region of intersection of the first separating path with the second separating path forms a second injection device for injecting the partially separated substance mixture into the second carrier medium wherein the injection volume of the second injection device is the volume of the second separating path between a point of entry of the first separating path into the second separating path and an opening in the second separating path which leads to an outflow for the first carrier medium.

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