Structural analysis of small to medium-sized molecules by mass spectrometry after electron-ion fragmentation (ExD) reactions.
Structural analysis of small to medium-sized molecules by mass spectrometry after electron-ion fragmentation (ExD) reactions.
复制标题
电子离子断裂 (ExD) 反应后通过质谱法对中小分子进行结构分析。
DOI:
10.1039/c5an02171e
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发表时间:
2016
期刊:
影响因子:
--
通讯作者:
D. Volmer
中科院分区:
文献类型:
--
作者:
Y. Qi;D. Volmer
Electron capture dissociation (ECD) is a tandem mass spectrometry (MS/MS) method that utilizes the interaction of ions and electrons. Its unique ability to preserve labile bonds distinguishes it from conventional threshold-based MS/MS methods, the most important of which is collision-induced dissociation (CID). During the last decade, ECD has opened up several new venues in protein analyses, for example top-down sequencing, identification of post-translational modifications, and characterization of protein-protein interactions. In recent years, a number of related dissociation techniques, so-called ExD techniques, particularly electron transfer dissociation (ETD), electron detachment dissociation (EDD), electron induced dissociation (EID), and negative electron transfer dissociation (NETD), have emerged and have extended the application range of ion-electron dissociations further. Importantly, ExD techniques have been applied beyond protein analyses, which is the focus of the current paper. This short introduction describes the application of ExD to small and medium-sized molecules and reviews important applications to natural products, biomedical compounds, synthetic molecules, crude oils, and environmental toxins.
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