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pubmed:abstractText |
Monolithic materials were prepared in capillaries by in situ polymerization of acrylamide, glycidyl methacrylate, and N,N'-methylenebisacrylamide in the presence of 1,4-butanediol, dodecanol, and DMSO as porogens. With Ampholine attached to the surface of the porous monolith via epoxide groups, a monolithic-IPG (M-IPG) was formed and showed good mechanical and chemical stability. With such a column immobilized by Ampholine 3.5-10, IEF-MIX 3.6-9.3 was separated and good linearity was obtained. The CIEF behavior of M-IPG was evinced by comparing the current with that in the open tubular capillary. In addition, the protein mixtures excreted from lung cancer cells of rats were analyzed with such a new M-IPG column.
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