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System for sample detection with compensation for difference in sensitivity to detection of components moving at different velocities

  • US 5,503,994 A
  • Filed: 10/08/1993
  • Issued: 04/02/1996
  • Est. Priority Date: 10/08/1993
  • Status: Expired due to Term
First Claim
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1. A method for separation and detection of components of a sample, said method comprising the steps of:

  • causing components of the sample to migrate at different velocities and separate in a separation path;

    supplying radiation to the components to cause the components to exhibit a detectable response, wherein fractions of said components are altered by the radiation so as to become undetectable;

    detecting the response of the components when they are migrating at different velocities at a data rate;

    wherein the intensity of the radiation supplied in the supplying step or the data rate of the detecting step is altered as a function of different lengths of migration time of the components to reduce differences in signal-to-noise ratio of components migrating at different velocities.

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