Cited by 85Mass Spectrometry Techniques and ApplicationsMetabolomics and Mass Spectrometry StudiesIon-surface interactions and analysis

STORI Plots Enable Accurate Tracking of Individual Ion Signals

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Kafader, Jared O., Beu, Steven C., Early, Bryan P., Melani, Rafael D., Durbin, Kenneth R., Zabrouskov, Vlad, Makarov, Alexander A., Maze, Joshua T. +5 more·2019·Journal of the American Society for Mass Spectrometry

Abstract

Charge detection mass spectrometry (CDMS) of low-level signals is currently limited to the analysis of individual ions that generate a persistent signal during the entire observation period. Ions that disintegrate during the observation period produce reduced frequency domain signal amplitudes, which lead to an underestimation of the ion charge state, and thus the ion mass. The charge assignment can only be corrected through an accurate determination of the time of ion disintegration. The traditional mechanisms for temporal signal analysis have severe limitations for temporal resolution, spectral resolution, and signal-to-noise ratios. Selective Temporal Overview of Resonant Ions (STORI) plots provide a new framework to accurately analyze low-level time domain signals of individual ions. STORI plots allow for complete correction of intermittent signals, the differentiation of single and multiple ions at the same frequency, and the association of signals that spontaneously change frequency.

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Integrity signals

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Crossref · 10.1007/s13361-019-02309-0

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  • CDMS measures m/z and z for individual ions in an electrostatic ion trap from frequency and amplitude of the signal, which can be converted into mass.

    “CDMS analysis of intact proteins is achieved by simultaneously measuring m/z and z for individual ions contained in an electrostatic ion trap from the frequency and amplitude of the resulting signal, which can then be converted into a mass measurement [111].”

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Research works printed but not linked: 1

  1. [13]High throughput charge detection mass spectrometry, Botamanenko D, Todd AR, Jarrold MF: MP494, Proceedings of the 67th ASMS Conference on Mass Spectrometry and Allied Topics, Atlanta, Georgia, June 2–6, 2019.

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Authors
Kafader, J. O., Beu, S. C., Early, B. P., Melani, R. D., Durbin, K. R., Zabrouskov, V., Makarov, A. A., Maze, J. T., Shinholt, D. L., Yip, P. F., Kelleher, N. L., Compton, P. D., & Senko, M. W.
Affiliations
  • Northwestern University (US)
  • S.C. Beu Consulting, 78729, Austin, TX, USA
  • Thermo Fisher Scientific (United States) (US)
  • Thermo Fisher Scientific (Germany) (DE)
  • Thermo Fisher Scientific, 78728, Austin, TX, USA
Venue
Journal of the American Society for Mass Spectrometry
Published
2019-09-11
Volume
30
Issue
11
Pages
2200-2203
ISSN
1044-0305 (ISSN-L)
OpenAlex
W2972833804
Cited by
85
References
18
Citations by year
2026: 18 · 2025: 15 · 2024: 16 · 2023: 14 · 2022: 8 · 2021: 7 · 2020: 5 · 2019: 2
FWCI
2.19
Type
journal article
Language
en
Open access
Locations
  • Journal of the American Society for Mass Spectrometry (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Thermo Fisher Scientific
  • National Resource for Translational and Developmental Proteomics (Grant P41 GM108569)
Topics
  • Physical Sciences › Chemistry › Spectroscopy › Mass Spectrometry Techniques and Applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolomics and Mass Spectrometry Studies
  • Physical Sciences › Engineering › Computational Mechanics › Ion-surface interactions and analysis
Keywords
charge detection mass spectrometry, time-domain signal analysis, intermittent signals, signal-to-noise ratio

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