Ion collision cross section measurements in Fourier transform-based mass analyzers

The Analyst
Dayu LiWei Xu

Abstract

With the increasing demands of molecular structure analysis, several methods have been developed to measure ion collision cross sections within Fourier transform (FT) based mass analyzers. Particularly in the recent three years since 2012, the method of obtaining biomolecule collision cross sections was achieved in Fourier transform ion cyclotron resonance (FT-ICR) cells. Furthermore, similar methods have been realized or proposed for orbitraps and quadrupole ion traps. This technique adds a new ion structure analysis capability to FT-based mass analyzers. By providing complementary ion structure information, it could be used together with tandem mass spectrometry and ion mobility spectroscopy techniques. Although many questions and challenges remain, this technique potentially would greatly enhance the ion structure analysis capability of a mass spectrometer, and provide a new tool for chemists and biochemists.

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Citations

Apr 3, 2018·Analytical Chemistry·James D SandersJennifer S Brodbelt
Oct 15, 2019·Analytical Chemistry·Caiqiao XiongZongxiu Nie
Dec 21, 2021·Journal of the American Society for Mass Spectrometry·Brigham L PopeDavid V Dearden

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