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热氢自由基诱导 MALDI 激光增强源内碎裂法分析寡糖的气相碎裂。

Gas-phase fragmentation of oligosaccharides in MALDI laser-enhanced in-source decay induced by thermal hydrogen radicals.

机构信息

Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, China.

出版信息

Analyst. 2012 Aug 21;137(16):3624-6. doi: 10.1039/c2an35418g. Epub 2012 Jun 28.

DOI:10.1039/c2an35418g
PMID:22745930
Abstract

Laser-enhanced in-source decay (LEISD) MALDI MS recently proposed for structural analysis of oligosaccharides was used to systematically investigate ISD fragmentation of oligosaccharides, which was found to be mediated by thermal hydrogen radicals from a matrix and underwent a charge-induced process, depending on the nature of the matrix and the structure of an oligosaccharide.

摘要

激光增强源内衰变（LEISD）MALDI-MS 最近被提议用于寡糖的结构分析，用于系统地研究寡糖的 ISD 断裂，发现它是由基质中的热氢自由基介导的，并经历了一个电荷诱导过程，这取决于基质的性质和寡糖的结构。

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引用本文的文献

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Differentiation of Disaccharide Isomers by Temperature-Dependent In-Source Decay (TDISD) and DART-Q-TOF MS/MS.利用温度依赖型源内裂解（TDISD）和 DART-Q-TOF MS/MS 对二糖异构体进行区分。
J Am Soc Mass Spectrom. 2015 Sep;26(9):1599-605. doi: 10.1007/s13361-015-1192-0. Epub 2015 Jul 11.