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MATRIX-ISOLATION APPLIED TO THE CF-252 PLASMA-DESORPTION MASS-SPECTROMETRY OF UNDERIVATIZED OLIGOSACCHARIDES

被引：11
作者：
METZGER, JO
WOISCH, R
TUSZYNSKI, W
ANGERMANN, R
PULS, J
机构：
[1] CARL VONOSSIETZKY UNIV,DEPT CHEM,D-26111 OLDENBURG,GERMANY
[2] CARL VONOSSIETZKY UNIV,DEPT PHYS,D-26111 OLDENBURG,GERMANY
[3] BUNDESFORSCH SANSTALT FORST & HOLZWIRTSCHAFT,INST HOLZCHEM & CHEM TECHNOL HOLZES,D-21027 HAMBURG,GERMANY
来源：
RAPID COMMUNICATIONS IN MASS SPECTROMETRY | 1993年 / 7卷 / 11期
关键词：
D O I：
10.1002/rcm.1290071115
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
A number of different low molecular weight and volatile compounds have been tested and compared as matrices in Cf-252 plasma-desorption mass spectrometry (PDMS) measurements of oligosaccharides. Some heteroaromatic amines (2-aminothiazole and 3-aminopyridine), hydroxyanthraquinones (alizarin and quinalizarin) and phthaleins (fluorescein) proved to be especially suited to enhancing the quasimolecular ion intensity of oligosaccharides. Discrimination effects could be reduced by matrix addition and thus, quantitative results of PDMS could be improved. Oligosaccharides with broad molecular weight distribution (dextrin 10 and dextran T 1.5) have been successfully analyzed by PDMS. The mass spectra obtained compared quite well with ion chromatograms of the respective oligosaccharides.
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收藏
页码：1041 / 1047
页数：7
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