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Low pressure electrospray ionization system and process for effective transmission of ions

United States Patent

March 2, 2010
View the Complete Patent at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
A system and method are disclosed that provide up to complete transmission of ions between coupled stages with low effective ion losses. A novel "interfaceless" electrospray ionization system is further described that operates the electrospray at a reduced pressure such that standard electrospray sample solutions can be directly sprayed into an electrodynamic ion funnel which provides ion focusing and transmission of ions into a mass analyzer.
Tang; Keqi (Richland, WA), Page; Jason S. (Kennewick, WA), Kelly; Ryan T. (Wet Richland, WA), Smith; Richard D. (Richland, WA)
Battelle Memorial Institute (Richland, WA)
11/ 848,884
August 31, 2007
This invention was made with Government support under Contract DE-AC05-76RLO1830 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.