Chemistry at the rim: Differentiation of isomeric open-cage fullerenes by MALDI-LIFT and ESI-MS/MS

Beitrag in einer Fachzeitschrift


Details zur Publikation

Autorinnen und Autoren: Nye LC, Hitzenberger J, Roubelakis MM, Orfanopoulos M, Drewello T
Zeitschrift: International Journal of Mass Spectrometry
Jahr der Veröffentlichung: 2019
Band: 436
Seitenbereich: 59-64
ISSN: 1387-3806


Abstract

Isomeric open-cage fullerenes ( OCFs) are studied by MALDI-LIFT. The two types of isomers feature different connectivities of the heteroatoms at the rim of the orifice to the fullerene cage. The molecular ions (radical cations, M+.) are generated by electron transfer MALDI, using DCTB as the matrix. The resulting LIFT spectra are indistinguishable. The alternative use of pencil lead is found inferior as a matrix but proves an exceptionally facile method of creating sodium and potassium adducts. The fragmentation of these metallated OCFs reveals different fragmentation pathways allowing the differentiation of the OCF isomers. This is evidently caused by the different interactions of the metal cation with the heteroatoms at the rim of the orifice. Additionally, the influence of the functionalization and isomer structure on the sodium ion affinity (SIA) is analysed by the kinetic method investigating the dissociations of sodium-bound hetero-dimers in electrospray ionization/ collision-induced dissociation (ESI-CID) experiments. (C) 2018 Elsevier B.V. All rights reserved.


FAU-Autorinnen und Autoren / FAU-Herausgeberinnen und Herausgeber

Drewello, Thomas Prof. Dr.
Professur für Physikalische Chemie
Hitzenberger, Jakob
Professur für Physikalische Chemie


Einrichtungen weiterer Autorinnen und Autoren

Imperial College London / The Imperial College of Science, Technology and Medicine
University of Crete


Zitierweisen

APA:
Nye, L.C., Hitzenberger, J., Roubelakis, M.M., Orfanopoulos, M., & Drewello, T. (2019). Chemistry at the rim: Differentiation of isomeric open-cage fullerenes by MALDI-LIFT and ESI-MS/MS. International Journal of Mass Spectrometry, 436, 59-64. https://dx.doi.org/10.1016/j.ijms.2018.11.006

MLA:
Nye, Leanne C., et al. "Chemistry at the rim: Differentiation of isomeric open-cage fullerenes by MALDI-LIFT and ESI-MS/MS." International Journal of Mass Spectrometry 436 (2019): 59-64.

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Zuletzt aktualisiert 2019-27-02 um 13:08