Ultrafast vibrational spectroscopy of the flavin chromophore

Kondo, M., Nappa, J., Ronayne, K. L., Stelling, A. L., Tonge, P. J. and Meech, S. R. (2006) Ultrafast vibrational spectroscopy of the flavin chromophore. The Journal of Physical Chemistry B, 110 (41). pp. 20107-20110. ISSN 1520-6106

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Ultrafast time-resolved infrared (TRIR) spectra of flavin adenine dinucleotide ( FAD) and the anion of lumiflavin (Lf(-)) are described. Ground-state recovery and excited-state decay of FAD reveal a common dominant ultrafast relaxation and a minor slower component. The Lf(-) transient lacks a fast component. No intermediate species are observed, suggesting that the quenching mechanism is internal conversion promoted by interaction of the adenine and isoalloxazine rings in FAD. Modes are assigned, and the potential for extension of the TRIR method to photoactive proteins is discussed.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
University of East Anglia > Faculty of Science > Research Groups > Physical and Analytical Chemistry
Depositing User: Rachel Smith
Date Deposited: 26 Jul 2011 15:49
Last Modified: 29 Aug 2018 10:30
URI: https://ueaeprints.uea.ac.uk/id/eprint/34191
DOI: 10.1021/jp0650735

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