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
收藏
页码：473 / 474
页数：2
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