Abstract
The role of capillary electrophoresis (CE) in chemical and biochemical characterization is growing rapidly due to its speed, resolution, and flexibility for the manipulation of extremely small samples. CE was first combined with mass spectrometry (MS) at our laboratory. In this communication we report results for the first on-line combination of CE with Fourier transform ion cyclotron resonance (FTICR) mass spectrometry, an approach that is capable of providing both high CE and MS resolution and high sensitivity. The advantages of FTICR include the ability to simultaneously realize ultrahigh MS resolution/mass measurement accuracy and high sensitivity, as well as the capability for higher order tandem MS methods (i.e., MS[sup n], where n [ge] 2) for structural studies because of its nondestructive detection method. 20 refs., 3 figs.
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