Packed-bed electrochromatography

Just before type-setting Agilent Technologies presented a microchip LC/MS system featuring a polymer-based LC chip packed with particulate diromatographic material and operated in pressure-driven mode. 

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The majority of enantioseparations are performed by pressure-driven liquid chromatography. However, in the last decade other liquid-phase separation techniques have evolved and demonstrated their usefulness for enantioseparations, including supercritical fluid chromatography (SFC), capillary electrophoresis (CE), micellar electrokinetic chromatography (MEKC), and open-tubular and packed-bed electrochromatography (OT-EC and CEC). 

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