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@ARTICLE{Goullieux:642349,
author = {Goullieux, Mathilde and Ferté, Anthony and Martinez
Gutierrez, Ana and Inhester, Ludger and Santra, Robin},
title = {{U}ltrafast radiation chemistry of glycine in aqueous
solution},
journal = {The journal of chemical physics},
volume = {164},
number = {8},
issn = {0021-9606},
address = {Melville, NY},
publisher = {American Institute of Physics},
reportid = {PUBDB-2025-05504},
pages = {084504},
year = {2026},
abstract = {Investigating the ultrafast dynamics of primary biological
compounds is crucial to gaininsights on radiation damage. We
computationally investigate the ionization-induceddynamics
of glycine in an aqueous solution. By employing
fewest-switches-surface hoppingsimulations, we specifically
address ionization in different orbital levels of the
glycinemolecule as well as in water molecules in its
solvation shell. Upon ionization, glycineundergoes rapid
fragmentation on the Cα -C bond, resulting in the formation
of CO2 andthe methylamine (+H3NH2C·) radical. Our analysis
shows that the solvation shell has littleeffect on the
fragmentation dynamics. When ionized on water, or a deeper
valence orbitalof glycine, the system first relaxes to the
ground state, involving transfer of the valencehole between
water and glycine. The associated redox reaction exemplifies
the oxidizingpower of H2O · +.},
cin = {FS-CFEL-3 / CFEL-DESYT},
ddc = {530},
cid = {I:(DE-H253)FS-CFEL-3-20120731 /
I:(DE-H253)CFEL-DESYT-20160930},
pnm = {631 - Matter – Dynamics, Mechanisms and Control
(POF4-631) / DFG project G:(GEPRIS)390715994 - EXC 2056:
CUI: Tiefe Einblicke in Materie (390715994)},
pid = {G:(DE-HGF)POF4-631 / G:(GEPRIS)390715994},
experiment = {EXP:(DE-MLZ)NOSPEC-20140101},
typ = {PUB:(DE-HGF)16},
doi = {10.1063/5.0316290},
url = {https://bib-pubdb1.desy.de/record/642349},
}