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Giacomozzi, Linda, Kjær, Christina, Brøndsted Nielsen, Steen, Ashworth, Eleanor K., Bull, James N. 
ORCID: https://orcid.org/0000-0003-0953-1716 and Stockett, Mark H.
(2021)
Non-statistical fragmentation in photo-activated flavin mononucleotide anions.
The Journal of Chemical Physics, 155 (4).
ISSN 0021-9606
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Abstract
The spectroscopy and photo-induced dissociation of flavin mononucleotide anions in vacuo are investigated over the 300-500 nm wavelength range. Comparison of the dependence of fragment ion yields as a function of deposited photon energy with calculated dissociation energies and collision-induced dissociation measurements performed under single-collision conditions suggests that a substantial fraction of photo-activated ions decompose through non-statistical fragmentation pathways. Among these pathways is the dominant photo-induced fragmentation channel, the loss of a fragment identified as formylmethylflavin. The fragment ion specific action spectra reveal electronic transition energies close to those for flavins in solution and previously published gas-phase measurements, although the photo-fragment yield upon excitation of the S 2 ← S 0 transition appears to be suppressed.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | physics and astronomy(all),physical and theoretical chemistry ,/dk/atira/pure/subjectarea/asjc/3100 |
| Faculty \ School: | Faculty of Science > School of Chemistry |
| UEA Research Groups: | Faculty of Science > Research Groups > Chemistry of Light and Energy Faculty of Science > Research Groups > Centre for Photonics and Quantum Science |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 06 Aug 2021 00:08 |
| Last Modified: | 09 Feb 2023 13:49 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/81002 |
| DOI: | 10.1063/5.0056415 |
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