Literature DB >> 23568027

Absorption-mode Fourier transform mass spectrometry: the effects of apodization and phasing on modified protein spectra.

Yulin Qi1, Huilin Li, Rebecca H Wills, Pilar Perez-Hurtado, Xiang Yu, David P A Kilgour, Mark P Barrow, Cheng Lin, Peter B O'Connor.   

Abstract

The method of phasing broadband Fourier transform ion cyclotron resonance (FT-ICR) spectra allows plotting the spectra in the absorption-mode; this new approach significantly improves the quality of the data at no extra cost. Herein, an internal calibration method for calculating the phase function has been developed and successfully applied to the top-down spectra of modified proteins, where the peak intensities vary by 100×. The result shows that the use of absorption-mode spectra allows more peaks to be discerned within the recorded data, and this can reveal much greater information about the protein and modifications under investigation. In addition, noise and harmonic peaks can be assigned immediately in the absorption-mode.

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Year:  2013        PMID： 23568027      PMCID： PMC4024093          DOI： 10.1007/s13361-013-0600-6

Source DB:  PubMed          Journal:  J Am Soc Mass Spectrom        ISSN： 1044-0305            Impact factor:   3.109


  41 in total

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  8 in total

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4.  Mass spectral peak distortion due to Fourier transform signal processing.

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Journal:  J Am Soc Mass Spectrom       Date:  2014-09-27       Impact factor: 3.109

5.  Chemical Analysis of Water-accommodated Fractions of Crude Oil Spills Using TIMS-FT-ICR MS.

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6.  Absorption Mode Fourier Transform Ion Mobility Mass Spectrometry Multiplexing Combined with Half-Window Apodization Windows Improves Resolution and Shortens Acquisition Times.

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Authors:  Maria A van Agthoven; David P A Kilgour; Alice M Lynch; Mark P Barrow; Tomos E Morgan; Christopher A Wootton; Lionel Chiron; Marc-André Delsuc; Peter B O'Connor
Journal:  J Am Soc Mass Spectrom       Date:  2019-10-15       Impact factor: 3.109

8.  Fine Structure in Isotopic Peak Distributions Measured Using Fourier Transform Ion Cyclotron Resonance Mass Spectrometry: A Comparison between an Infinity ICR Cell and a Dynamically Harmonized ICR Cell.

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  8 in total

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