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Fast thermo-optical particle characterisation

  • US 8,431,903 B2
  • Filed: 11/20/2007
  • Issued: 04/30/2013
  • Est. Priority Date: 11/20/2006
  • Status: Active Grant
First Claim
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1. A device for measuring inter- and/or intra-molecular interactions of particles in a solution, comprising:

  • a receiver for receiving a solution containing marked particles;

    a light source for fluorescently exciting the marked particles;

    a fluorescence detector for detecting the excited fluorescence in said solution; and

    a laser for irradiating a laser light beam into the solution to obtain a spatial temperature distribution in the solution around the irradiated laser light beamwherein the laser and the detector are arranged on the same side with respect to the receiver,wherein the laser is a high power laser within the range of from 4 W to 6 W.

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