The gas-phase basicities of matrix-assisted laser desorption/ionization matrices

被引：44
|
作者：
Steenvoorden, RJJM [1 ]
Breuker, K [1 ]
Zenobi, R [1 ]
机构：
[1] ETH Zurich, Dept Chem, CH-8092 Zurich, Switzerland
来源：
EUROPEAN MASS SPECTROMETRY | 1997年 / 3卷 / 05期
关键词：
MALDI; FT-ICR; proton affinity; fragmentation; matrix;
D O I：
10.1255/ejms.165
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
The gas-phase basicities of three common matrices used in matrix-assisted laser desorption/ionization (MALDI) have been investigated using laser desorption with Fourier transform ion cyclotron resonance (FT-ICR) mass spectrometry. In bracketing type experiments, laser-desorbed ions from 2,5-dihydroxy-benzoic acid, alpha-cyano-4-hydroxy-cinnamic acid and sinapic acid were tested for their ability to protonate test substances, This study was not limited to protonated matrix species but also included prominent fragments.
引用
收藏
页码：339 / 346
页数：8
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