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Preparation and Evaluation of Rigid Porous Polyacrylamide-based Strong Cation-exchange Monolithic Columns for Capillary Electrochromatography by Jing Dong; Junjie Ou; Xiaoli Dong; Renan Wu; Mingliang Ye; Hanfa Zou is a Chemistry article available to read on EtoBox.

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## Abstract A CEC monolithic column with strong cation‐exchange (SCX) stationary phase based on hydrophilic monomers was prepared by __in situ__ polymerization of acrylamide, methylenebisacrylamide, and 2‐acrylamido‐2‐methyl‐1‐propanesulfonic acid (AMPS) in a complete organic binary porogenic solvent consisting of DMSO and dodecanol. The sulfonic groups provided by the monomer AMPS on the surface of the stationary phase generate an EOF from anode to cathode, and serve as an SCX stationary phase at the same time. The monolithic stationary phase exhibited normal‐phase chromatographic behavior for neutral analytes. For charged analytes, electrostatic interaction/repulsion with the monolith was observed. The strong SCX monolithic column has been successfully employed in the electrochromatographic separation of basic drugs, peptides, and alkaloids extracted from natural products.

Who reads Preparation and Evaluation of Rigid Porous Polyacrylamide-based Strong Cation-exchange Monolithic Columns for Capillary Electrochromatography?

Author

Jing Dong; Junjie Ou; Xiaoli Dong; Renan Wu; Mingliang Ye; Hanfa Zou

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 1615-9306)

Published

2007

Language

EN

Field

Chemistry (Physical Sciences)