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Title: Detecting and Removing Data Artifacts in Hadamard Transform Ion Mobility-Mass Spectrometry Measurements

Abstract

Applying Hadamard transform multiplexing to ion mobility separations (IMS) can significantly improve the signal-to-noise ratio and throughput for IMS coupled mass spectrometry (MS) measurements by increasing the ion utilization efficiency. However, it has been determined that both fluctuations in ion intensity as well as spatial shifts in the multiplexed data lower the signal-to-noise ratios and appear as noise in downstream processing of the data. To address this problem, we have developed a novel algorithm that discovers and eliminates data artifacts. The algorithm uses knowledge of the true signal peaks derived from the encoded data and allows for both artifacts and noise to be removed with high confidence, decreasing the likelihood of false identifications in subsequent data processing. The result is that IMS-MS can be applied to increase measurement sensitivity while avoiding artifacts that have previously limited its utility.

Authors:
 [1];  [1];  [1];  [1];  [2];  [1];  [1];  [1];  [1]
  1. Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Biological Sciences Division
  2. Washington State Univ., Pullman, WA (United States). Dept. of Chemistry
Publication Date:
Research Org.:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States). Environmental Molecular Sciences Laboratory (EMSL)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
OSTI Identifier:
1166861
Report Number(s):
PNNL-SA-100086
Journal ID: ISSN 1044-0305; 32707; 48135; 400412000
Grant/Contract Number:  
AC05-76RLO01830; R01ES022190; R21-CA12619-01; U24-CA-160019-01; 8 P41 GM103493-10; R21 GM103497
Resource Type:
Accepted Manuscript
Journal Name:
Journal of the American Society for Mass Spectrometry
Additional Journal Information:
Journal Volume: 25; Journal Issue: 12; Journal ID: ISSN 1044-0305
Publisher:
American Society for Mass Spectrometry
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; 97 MATHEMATICS AND COMPUTING; 47 OTHER INSTRUMENTATION; Ion mobility; Computational proteomics; Hadamard transform; Bioinformatics; Sensitivity; Data analysis

Citation Formats

Prost, Spencer A., Crowell, Kevin L., Baker, Erin Shammel, Ibrahim, Yehia M., Clowers, Brian H., Monroe, Matthew E., Anderson, Gordon A., Smith, Richard D., and Payne, Samuel H. Detecting and Removing Data Artifacts in Hadamard Transform Ion Mobility-Mass Spectrometry Measurements. United States: N. p., 2014. Web. doi:10.1007/s13361-014-0895-y.
Prost, Spencer A., Crowell, Kevin L., Baker, Erin Shammel, Ibrahim, Yehia M., Clowers, Brian H., Monroe, Matthew E., Anderson, Gordon A., Smith, Richard D., & Payne, Samuel H. Detecting and Removing Data Artifacts in Hadamard Transform Ion Mobility-Mass Spectrometry Measurements. United States. https://doi.org/10.1007/s13361-014-0895-y
Prost, Spencer A., Crowell, Kevin L., Baker, Erin Shammel, Ibrahim, Yehia M., Clowers, Brian H., Monroe, Matthew E., Anderson, Gordon A., Smith, Richard D., and Payne, Samuel H. Tue . "Detecting and Removing Data Artifacts in Hadamard Transform Ion Mobility-Mass Spectrometry Measurements". United States. https://doi.org/10.1007/s13361-014-0895-y. https://www.osti.gov/servlets/purl/1166861.
@article{osti_1166861,
title = {Detecting and Removing Data Artifacts in Hadamard Transform Ion Mobility-Mass Spectrometry Measurements},
author = {Prost, Spencer A. and Crowell, Kevin L. and Baker, Erin Shammel and Ibrahim, Yehia M. and Clowers, Brian H. and Monroe, Matthew E. and Anderson, Gordon A. and Smith, Richard D. and Payne, Samuel H.},
abstractNote = {Applying Hadamard transform multiplexing to ion mobility separations (IMS) can significantly improve the signal-to-noise ratio and throughput for IMS coupled mass spectrometry (MS) measurements by increasing the ion utilization efficiency. However, it has been determined that both fluctuations in ion intensity as well as spatial shifts in the multiplexed data lower the signal-to-noise ratios and appear as noise in downstream processing of the data. To address this problem, we have developed a novel algorithm that discovers and eliminates data artifacts. The algorithm uses knowledge of the true signal peaks derived from the encoded data and allows for both artifacts and noise to be removed with high confidence, decreasing the likelihood of false identifications in subsequent data processing. The result is that IMS-MS can be applied to increase measurement sensitivity while avoiding artifacts that have previously limited its utility.},
doi = {10.1007/s13361-014-0895-y},
journal = {Journal of the American Society for Mass Spectrometry},
number = 12,
volume = 25,
place = {United States},
year = {Tue May 06 00:00:00 EDT 2014},
month = {Tue May 06 00:00:00 EDT 2014}
}

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Works referencing / citing this record:

Lipid and Glycolipid Isomer Analyses Using Ultra-High Resolution Ion Mobility Spectrometry Separations
journal, January 2017

  • Wojcik, Roza; Webb, Ian; Deng, Liulin
  • International Journal of Molecular Sciences, Vol. 18, Issue 1
  • DOI: 10.3390/ijms18010183

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Influence of multiplexing conditions on artefact signal and the signal-to-noise ratio in the decoded data in Hadamard transform ion mobility spectrometry
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Lipid and Glycolipid Isomer Analyses Using Ultra-High Resolution Ion Mobility Spectrometry Separations
journal, January 2017

  • Wojcik, Roza; Webb, Ian; Deng, Liulin
  • International Journal of Molecular Sciences, Vol. 18, Issue 1
  • DOI: 10.3390/ijms18010183