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Variation of the Fourier transform mass spectra phase function with experimental parameters
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Qi, Yulin, Barrow, Mark P., Van Orden, Steve L., Thompson, Christopher J., Li, Huilin, Perez-Hurtado, Pilar and O’Connor, Peter B. (2011) Variation of the Fourier transform mass spectra phase function with experimental parameters. Analytical Chemistry, Vol.83 (No.22). pp. 8477-8483. doi:10.1021/ac2017585
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Official URL: http://dx.doi.org/10.1021/ac2017585
Abstract
It has been known for almost 40 years that phase correction of Fourier transform ion cyclotron resonance (FTICR) data can generate an absorption-mode spectrum with much improved peak shape compared to the conventional magnitude-mode. However, research on phasing has been slow due to the complexity of the phase-wrapping problem. Recently, the method for phasing a broadband FTICR spectrum has been solved in the MS community which will surely resurrect this old topic. This paper provides a discussion on the data processing procedure of phase correction and features of the phase function based on both a mathematical treatment and experimental data. Finally, it is shown that the same phase function can be optimized by adding correction factors and can be applied from one experiment to another with different instrument parameters, regardless of the sample measured. Thus, in the vast majority of cases, the phase function needs to be calculated just once, whenever the instrument is calibrated.
| Item Type: | Journal Article | ||||
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| Subjects: | Q Science > QC Physics Q Science > QD Chemistry |
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| Divisions: | Faculty of Science > Chemistry | ||||
| Library of Congress Subject Headings (LCSH): | Fourier transform spectroscopy, Adsorption, Space charge, Ion cyclotron resonance spectrometry, Apodization, Phase rule and equilibrium | ||||
| Journal or Publication Title: | Analytical Chemistry | ||||
| Publisher: | American Chemical Society | ||||
| ISSN: | 0003-2700 | ||||
| Official Date: | 15 November 2011 | ||||
| Dates: |
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| Volume: | Vol.83 | ||||
| Number: | No.22 | ||||
| Number of Pages: | 8 | ||||
| Page Range: | pp. 8477-8483 | ||||
| DOI: | 10.1021/ac2017585 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | University of Warwick, Engineering and Physical Sciences Research Council (EPSRC) | ||||
| Grant number: | EP/F034210/1 (EPSRC) |
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