Two-dimensional chromatography in the analysis of complex glycans from transferrin

被引:15
作者
Charlwood, J [1 ]
Birrell, H [1 ]
Tolson, D [1 ]
Camilleri, P [1 ]
机构
[1] SmithKline Beecham Pharmaceut, Harlow CM19 5AD, Essex, England
关键词
D O I
10.1021/ac9801059
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Oligosaccharides released from human transferrin have been derivatized with 2-aminoacridone (2-AMAC) prior to analysis by either reversed- or normal-phase highperformance liquid chromatography. These separation methods are complementary and allow distinction between isomeric mono- and disialylated oligosaccharides, which terminate with Sia alpha 2-6Gal or Sia alpha 2-3Gal at the nonreducing end. Collected fractions of 2-AMAC-derivatized glycans were analyzed by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry, before and after desialylation.
引用
收藏
页码:2530 / 2535
页数:6
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