NEW-TYPE OF MATRIX FOR MATRIX-ASSISTED LASER-DESORPTION MASS-SPECTROMETRY OF POLYSACCHARIDES AND PROTEINS

被引：41

作者：

METZGER, JO ^{[1
]}

WOISCH, R ^{[1
]}

TUSZYNSKI, W ^{[1
]}

ANGERMANN, R ^{[1
]}

机构：

[1] CARL VONOSSIETZKY UNIV,DEPT PHYS,D-26111 OLDENBURG,GERMANY

来源：

FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1994年 / 349卷 / 06期

关键词：

D O I：

10.1007/BF00322937

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

3-Aminoquinoline is introduced as matrix for matrix-assisted laser desorption mass spectrometry of polysaccharides and proteins. The first MALD mass spectrum of the polysaccharide inulin is reported. 3-Aminoquinoline seems to be more effective than the commonly used acidic matrix 2,5-dihydroxy-benzoic acid, assisting in the desorption and ionisation of inulin. A higher sensitivity, sharper peaks and a lower background were observed. 3-Aminoquinoline is also quite effective when measuring the protein myoglobin.

引用

页码：473 / 474

页数：2

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