Date:1/25/2012

n a hydrofluoric acid solution. The method consistently creates an external taper without changing the capillary's internal diameter, which allows emitters to spray aerosols at extremely low, controlled rates without clogging. This enables more of the sample to be analyzed by the mass spectrometer, which helps scientists learn more about the molecules they study.

PNNL licensed the patents behind the technique to Michrom in a matter of months after helping the company evaluate the new tips. Michrom began selling the new emitters as part of its CaptiveSprayTM ion source in October 2010. Six months later, Michrom was acquired by Bruker Corporation, which could expand opportunities for the technology's use.

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Contact: Franny White franny.white@pnnl.gov 509-375-6904 DOE/Pacific Northwest National Laboratory Source:Eurekalert

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