Chiral Separations - Methods and Protocols [Methods In Molec by G. Gubitz, M. Schmid

By G. Gubitz, M. Schmid

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And Nilsson, S. (2001) Molecularly imprinted microparticles for capillary electrochromatography: studies on microparticle synthesis and electrolyte composition. Electrophoresis 22, 3833–3841. 16. , and Nilsson, S. (2000) Molecularly imprinted microparticles for capillary electrochromatographic enantiomer separation of propranolol. Analyst 125, 1899–1901. 17. Spégel, P. and Nilsson, S. (2002) A new approach in capillary electrochromatography: disposable molecularly imprinted nanoparticles. Am.

This approach yields good flow properties, easy solvent exchange, and column regeneration. One technique used in order to introduce super-pores in the monolith is to use interrupted polymerization (8). When precipitation polymerization is used, particles are initially formed inside the capillary. If the monomer concentration is high enough, these particles become crosslinked, and the volume in between them is gradually filled with polymer. In order to produce super-pores using the interrupted polymerization approach, the capillary is flushed to get rid of monomers before the interparticle volumes are completely filled with polymer.

12. , Andersson, L. , and Nilsson, S. (2001) Rapid electrochromatographic enantiomer separations on short molecularly imprinted polymer monoliths. Anal. Chim. Acta 435, 43–47. 13. Schweitz, L. (2002) Molecularly imprinted polymer coatings for open-tubular capillary electrochromatography prepared by surface initiation. Anal. Chem. 74, 1192–1196. 424 Spégel et al. 14. Tan, J. Z. and Remcho, V. T. (1998) Molecular imprint polymers as highly selective stationary phases for open tubular liquid chromatography and capillary electrochromatography.

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