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Three-dimensional branched copolymer, with N,N′-methylene bisacrylamide as the crosslinker and 3-allyloxy-2-hydroxy-1-propane sulfonic acid sodium salt as the monomer, was grafted from silica particles by thiol-ene click reaction. The obtained hydrophilic material with sulfonic acid groups was successfully applied for chromatography separation and glycopeptide enrichment. The separation mechanism...
In this study, a novel kind of amide functionalized hydrophilic monolith was synthesized by the in situ photo-polymerization of N-vinyl-2-pyrrolidinone (NVP), acrylamide (AM), and N, N’-methylenebisacrylamide (MBA) in a UV transparent capillary, and successfully applied for hydrophilic interaction chromatography (HILIC) based enrichment of N-linked glycopeptides. With 2μg of the tryptic digests of...
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