Flavinium catalysed photooxidation: detection and characterization of elusive peroxyflavinium intermediates

J Zelenka, R Cibulka, J Roithová - Angewandte Chemie, 2019 - Wiley Online Library
Flavin‐based catalysts are photoactive in the visible range which makes them useful in
biology and chemistry. Herein, we present electrospray‐ionization mass‐spectrometry …

Visible and ultraviolet spectroscopy of gas phase protein ions

R Antoine, P Dugourd - Physical Chemistry Chemical Physics, 2011 - pubs.rsc.org
Optical spectroscopy has contributed enormously to our knowledge of the structure and
dynamics of atoms and molecules and is now emerging as a cornerstone of the gas phase …

Two-Dimensional Infrared Spectroscopy of Isolated Molecular Ions

Z Ma, L Chen, C Xu, JA Fournier - The Journal of Physical …, 2023 - ACS Publications
Two-dimensional infrared (2D IR) spectroscopy of mass-selected, cryogenically cooled
molecular ions is presented. Nonlinear response pathways, encoded in the time-domain …

UV photodissociation of trapped ions following ion mobility separation in a Q-ToF mass spectrometer

B Bellina, JM Brown, J Ujma, P Murray, K Giles… - Analyst, 2014 - pubs.rsc.org
An ion mobility mass spectrometer has been modified to allow optical interrogation of ions
with different mass-to-charge (m/z) ratios and/or mobilities (K). An ion gating and trapping …

[HTML][HTML] Ultrafast transient vibrational action spectroscopy of cryogenically cooled ions

L Chen, Z Ma, JA Fournier - The Journal of Chemical Physics, 2023 - pubs.aip.org
Ultrafast transient vibrational action spectra of cryogenically cooled Re (CO) 3 (CH 3 CN) 3+
ions are presented. Nonlinear spectra were collected in the time domain by monitoring the …

Protomer-dependent electronic spectroscopy and photochemistry of the model flavin chromophore alloxazine

E Matthews, R Cercola, CEH Dessent - Molecules, 2018 - mdpi.com
Flavin chromophores play key roles in a wide range of photoactive proteins, but key
questions exist in relation to their fundamental spectroscopic and photochemical properties …

Observation of near-threshold resonances in the flavin chromophore anions alloxazine and lumichrome

E Matthews, CEH Dessent - The Journal of Physical Chemistry …, 2018 - ACS Publications
Lumichrome (LC) is the chromophore of the flavin family of photoactive biomolecules, where
key biochemical activity involves interplay between redox and photophysical events …

Ion mobility action spectroscopy of flavin dianions reveals deprotomer-dependent photochemistry

JN Bull, E Carrascosa, L Giacomozzi… - Physical Chemistry …, 2018 - pubs.rsc.org
The intrinsic optical properties and photochemistry of flavin adenine dinucleotide (FAD)
dianions are investigated using a combination of tandem ion mobility spectrometry and …

Photodegradation of riboflavin under alkaline conditions: what can gas-phase photolysis tell us about what happens in solution?

NGK Wong, C Rhodes, CEH Dessent - Molecules, 2021 - mdpi.com
The application of electrospray ionisation mass spectrometry (ESI-MS) as a direct method for
detecting reactive intermediates is a technique of developing importance in the routine …

The membrane-bound C subunit of reductive dehalogenases: topology analysis and reconstitution of the FMN-binding domain of PceC

GF Buttet, MS Willemin, R Hamelin… - Frontiers in …, 2018 - frontiersin.org
Organohalide respiration (OHR) is the energy metabolism of anaerobic bacteria able to use
halogenated organic compounds as terminal electron acceptors. While the terminal …