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Issue 4, 2000
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Characterization of ionophore–metal complexes by infrared multiphoton photodissociation and collision activated dissociation in a quadrupole ion trap mass spectrometer

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Abstract

The formation and fragmentation of a series of metal complexes containing polyether ionophores were studied using electrospray ionization (ESI) methods. Dissociation pathways were analyzed using both collision activated dissociation (CAD) and infrared multiphoton photodissociation (IRMPD) techniques. A number of structurally diagnostic fragment ions were observed, and in many cases the same types of pathways were observed for the alkali, transition, and alkaline earth metal complexes. The dominant fragmentation pathways included dehydration and cleavage across carbon–carbon bonds to produce either type-F or type-A fragments. Energy-resolved CAD and IRMPD experiments, along with double resonance SWIFT, were performed to evaluate the genealogy of fragmentation pathways.

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Publication details

The article was received on 28 Oct 1999, accepted on 22 Feb 2000 and first published on 17 Mar 2000


Article type: Paper
DOI: 10.1039/A908607B
Analyst, 2000,125, 641-650

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    Characterization of ionophore–metal complexes by infrared multiphoton photodissociation and collision activated dissociation in a quadrupole ion trap mass spectrometer

    J. Shen and J. S. Brodbelt, Analyst, 2000, 125, 641
    DOI: 10.1039/A908607B

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