A Linear Ion Trap Mass Spectrometer with Versatile Control and Data Acquisition for Ion/Ion Reactions

被引：5

作者：

Soyk, Matthew W. ^{[1
]}

Zhao, Qin ^{[1
]}

Houk, R. S. ^{[1
,2
]}

Badman, Ethan R.

机构：

[1] Iowa State Univ, Dept Chem, Ames, IA USA

[2] Iowa State Univ, US Dept Energy, Ames Lab, Ames, IA USA

来源：

JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY | 2008年 / 19卷 / 12期

关键词：

D O I：

10.1016/j.jasms.2008.08.020

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A linear ion trap (LIT) with electrospray ionization (ESI) for top-down protein analysis has been constructed. An independent atmospheric sampling glow discharge ionization (ASGDI) Source produces reagent ions for ion/ion reactions. The device is also meant to enable a wide variety of ion/ion reaction Studies. To reduce the instrument's complexity and make it available for wide dissemination, only a few simple electronics components were Custom built. The instrument functions as both a reaction vessel for gas-phase ion/ion reactions and a mass spectrometer using mass-selective axial ejection. Initial results demonstrate trapping efficiency of 70% to 90% and the ability to perform proton transfer reactions on intact protein ions, including dual polarity storage reactions, transmission mode reactions, and ion parking. (J Am Soc Mass Spectrom 2008, 19, 1821-1831) (c) 2008 Published by Elsevier Inc. on behalf of American Society for Mass Spectrometry

引用

页码：1821 / 1831

页数：11

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