• Login
    View Item 
    •   Shocker Open Access Repository Home
    • Fairmount College of Liberal Arts and Sciences
    • Chemistry and Biochemistry
    • CHEM Faculty Scholarship
    • CHEM Faculty Publications
    • View Item
    •   Shocker Open Access Repository Home
    • Fairmount College of Liberal Arts and Sciences
    • Chemistry and Biochemistry
    • CHEM Faculty Scholarship
    • CHEM Faculty Publications
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Molecular structure characterization by isotopic splitting in nonlinear ion mobility spectra

    Date
    2018-01-02
    Author
    Kaszycki, Julia L.
    Baird, Matthew A.
    Shvartsburg, Alexandre A.
    Metadata
    Show full item record
    Citation
    Julia L. Kaszycki, Matthew A. Baird, and Alexandre A. Shvartsburg. Molecular Structure Characterization by Isotopic Splitting in Nonlinear Ion Mobility Spectra. Analytical Chemistry, 2018 90 (1), 669-673
    Abstract
    Nearly all compounds comprise numerous isotopologues ensuing from stable natural isotopes for constituent elements. The consequent isotopic envelopes in mass spectra can reveal the ion stoichiometry but not geometry. We found those envelopes to split in differential ion mobility (FAIMS) spectra in a manner dependent on the ion geometry and buffer gas composition. The resulting multidimensional matrix of isotopic shifts is specific to isomers, providing a fundamentally new approach to the characterization of chemical structure. The physical origins of the effect remain to be clarified but likely ensue from the transposition of center of mass of the ion within its geometry frame affecting the partition of energy in above-thermal collisions between the translational and rotational degrees of freedom. The additivity of shifts, holding with no exception so far, may be the key to unraveling the foundations of observed behavior.
    Description
    Click on the DOI link to access the article (may not be free).
    URI
    http://dx.doi.org/10.1021/acs.analchem.7b04610
    http://hdl.handle.net/10057/14520
    Collections
    • CHEM Faculty Publications

    Browse

    All of Shocker Open Access RepositoryCommunities & CollectionsBy Issue DateAuthorsTitlesSubjectsBy TypeThis CollectionBy Issue DateAuthorsTitlesSubjectsBy Type

    My Account

    LoginRegister

    Statistics

    Most Popular ItemsStatistics by CountryMost Popular Authors

    DSpace software copyright © 2002-2023  DuraSpace
    DSpace Express is a service operated by 
    Atmire NV