Characterization of High Molecular Weight Macrocycles by Desorption Chemical Ionization Mass Spectrometry

被引：10

作者：

Guglielmetti, Gianfranco ^{[1
]}

Dalcanale, Enrico ^{[1
]}

Bonsignore, Stefanio ^{[1
]}

Vincenti, Marco ^{[1
]}

机构：

[1] Ist Guido Donegani SpA, I-28100 Novara, Italy

来源：

RAPID COMMUNICATIONS IN MASS SPECTROMETRY | 1989年 / 3卷 / 04期

关键词：

D O I：

10.1002/rcm.1290030405

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A series of multi-armed macrocycles with molecular weights up to 4400 Da was studied by desorption chemical ionization. Both negative- and positive-ion spectra exhibited excellent signal-to-noise ratio, despite the limited amount of material sampled (0.1-1 pmol). The molecular ions generally represent the base peaks of the spectra, but the extent of fragmentation increases as the source temperature is raised.

引用

页码：106 / 109

页数：5

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