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High-performance separation and ESI module
July 2011
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Beckman Coulter Inc.

The CESI 8000 High-Performance Separation-ESI Module with OptiMS Technology from Beckman Coulter consists of the first commercial CESI sprayer combined with new capillary electrophoresis instrumentation specifically designed for mass spectrometry (MS). This gives researchers a robust, high-sensitivity interface of capillary electrophoresis (CE) with MS, while providing a broad range of analyte coverage complementary to LC-MS and GC-MS. OptiMS Technology integrates an intrinsically low-flow CE separation (as low as 10 nL/min) with electrospray ionization (ESI) in a single, dynamic process that takes place within a capillary. The new process is referred to as CESI, reflecting the combination. To achieve CESI, the distal end of the capillary is porous to ion flow, allowing the electrophoresis circuit to be bridged and ESI to be initiated within the same device.

Beckman Coulter Inc.
(800) 742-2345
www.beckmancoulter.com



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