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    Gas phase ion formation from a liquid beam of arginine in aqueous solution by IR multiphoton excitation

    Access Status
    Fulltext not available
    Authors
    Kohno, J.
    Toyama, N.
    Buntine, Mark
    Mafuné, F.
    Kondow, T.
    Date
    2006
    Type
    Journal Article
    
    Metadata
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    Citation
    Kohno, Jun-ya and Toyama, Namiki and Buntine, Mark A. and Mafuné, Fumitaka and Kondow, Tamotsu. 2006. Gas phase ion formation from a liquid beam of arginine in aqueous solution by IR multiphoton excitation. Chemical Physics Letters 420 (1-3): pp. 18-23.
    Source Title
    Chemical Physics Letters
    DOI
    10.1016/j.cplett.2005.10.118
    ISSN
    00092614
    URI
    http://hdl.handle.net/20.500.11937/3882
    Collection
    • Curtin Research Publications
    Abstract

    A liquid beam of aqueous solutions of arginine (AH), its hydrochloric acid salt (AH2Cl) and its sodium salt (ANa) was irradiated with a pulsed IR laser at 3509 cm−1 (2.85 μm). Positive and negative ions ejected to the gas phase were mass analyzed. From the AH2Cl and the ANa aqueous solutions, the pre-existing ions in the solution were ejected directly to the gas phase. From the AH solution, on the other hand, both a protonated arginine ion, AH2+ and an argininate ion, A− were observed in the gas phase. Production of these ions is accounted for the four-photon excitation of water molecules in the solution.

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