Separation of peptides and oligonucleotides using a monolithic polymer layer and pressurized planar electrophoresis and electrochromatography.
2010
The rapid separation of mixtures of six peptides using porous polymer monolithic layers in electrophoresis and pressurized planar electrochromatography modes has been achieved. The separations in the former mode were performed on a generic hydrophobic poly(butyl methacrylate-co-ethylene dimethacrylate) layer with no ionizable functionalities and required 2 min. This layer also enabled the separation of three oligonucleotides. The separation in the pressurized planar electrochromatographic mode was carried out using a negatively charged layer prepared via cografting of 2-acrylamido-2-methyl-1-propanesulfonic acid and 2-hydroxyethyl methacrylate on top of the generic hydrophobic monolith and was completed in 1 min.
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