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Issue 20, 2015
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Collision cross section calibrants for negative ion mode traveling wave ion mobility-mass spectrometry

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Abstract

Unlike traditional drift-tube ion mobility-mass spectrometry, traveling-wave ion mobility-mass spectrometry typically requires calibration in order to generate collision cross section (CCS) values. Although this has received a significant amount of attention for positive-ion mode analysis, little attention has been paid for CCS calibration in negative ion mode. Here, we provide drift-tube CCS values for [M − H] ions of two calibrant series, polyalanine and polymalic acid, and evaluate both types of calibrants in terms of the accuracy and precision of the traveling-wave ion mobility CCS values that they produce.

Graphical abstract: Collision cross section calibrants for negative ion mode traveling wave ion mobility-mass spectrometry

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Supplementary files

Article information


Submitted
11 May 2015
Accepted
30 Jun 2015
First published
01 Jul 2015

Analyst, 2015,140, 6853-6861
Article type
Paper
Author version available

Collision cross section calibrants for negative ion mode traveling wave ion mobility-mass spectrometry

J. G. Forsythe, A. S. Petrov, C. A. Walker, S. J. Allen, J. S. Pellissier, M. F. Bush, N. V. Hud and F. M. Fernández, Analyst, 2015, 140, 6853
DOI: 10.1039/C5AN00946D

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