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    Eliminating Artifacts in Electrospray Deconvolution with a SoftMax Function

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    SoftMax_Revision_Clean.pdf
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    Final Accepted Manuscript
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    Author
    Marty, Michael T
    Affiliation
    Univ Arizona, Dept Chem & Biochem
    Issue Date
    2019-08-07
    Keywords
    Deconvolution
    Electrospray
    Intact mass
    Mass spectrometry
    Native MS
    
    Metadata
    Show full item record
    Publisher
    SPRINGER
    Citation
    J. Am. Soc. Mass Spectrom. 2019, 30, 10, 2174-2177
    Journal
    JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
    Rights
    Copyright © American Society for Mass Spectrometry, 2019.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    UniDec provides a rapid and robust approach to deconvolving electrospray mass spectra into their corresponding mass and charge components. However, the UniDec algorithm can produce artifacts depending on the quality and complexity of the data. Here, a SoftMax function is applied to the charge state distribution of each data point, which pushes the algorithm towards assigning each data point to one primary charge state. As shown for several data sets of increasing complexity, the SoftMax function significantly reduces deconvolution artifacts, even for data with overlapping charge states.
    Note
    12 month embargo; published online: 7 August 2019
    ISSN
    1044-0305
    PubMed ID
    31392700
    DOI
    10.1007/s13361-019-02286-4
    Version
    Final accepted manuscript
    ae974a485f413a2113503eed53cd6c53
    10.1007/s13361-019-02286-4
    Scopus Count
    Collections
    UA Faculty Publications

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