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Automated position control of a surface array relative to a liquid microjunction surface sampler

United States Patent

November 13, 2007
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
Automated Surface Sampling Probe for Mass Spectrometry
A system and method utilizes an image analysis approach for controlling the probe-to-surface distance of a liquid junction-based surface sampling system for use with mass spectrometric detection. Such an approach enables a hands-free formation of the liquid microjunction used to sample solution composition from the surface and for re-optimization, as necessary, of the microjunction thickness during a surface scan to achieve a fully automated surface sampling system.
Van Berkel; Gary J. (Clinton, TN), Kertesz; Vilmos (Knoxville, TN), Ford; Michael James (Little Rock, AR)
UT-Battelle, LLC (Oak Ridge, TN)
11/ 144,882
June 3, 2005
This invention was made with Government support under Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy to UT-Battelle, LLC, and the Government has certain rights to the invention.