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@ARTICLE{Arcella:201331,
author = {Arcella, Annalisa and Dreyer, Jens and Ippoliti, Emiliano
and Ivani, Ivan and Portella, Guillem and Gabelica, Valérie
and Carloni, Paolo and Orozco, Modesto},
title = {{S}tructure and {D}ynamics of {O}ligonucleotides in the
{G}as {P}hase},
journal = {Angewandte Chemie / International edition},
volume = {54},
number = {2},
issn = {1433-7851},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {FZJ-2015-03628},
pages = {467–471},
year = {2015},
abstract = {By combining ion-mobility mass spectrometry experiments
with sub-millisecond classical and ab initio molecular
dynamics we fully characterized, for the first time, the
dynamic ensemble of a model nucleic acid in the gas phase
under electrospray ionization conditions. The studied
oligonucleotide unfolds upon vaporization, loses memory of
the solution structure, and explores true gas-phase
conformational space. Contrary to our original expectations,
the oligonucleotide shows very rich dynamics in three
different timescales (multi-picosecond, nanosecond, and
sub-millisecond). The shorter timescale dynamics has a
quantum mechanical nature and leads to changes in the
covalent structure, whereas theother two are of classical
origin. Overall, this study suggests that a re-evaluation on
our view of the physics of nucleic acids upon vaporization
is needed.},
cin = {INM-9 / IAS-5 / GRS},
ddc = {540},
cid = {I:(DE-Juel1)INM-9-20140121 / I:(DE-Juel1)IAS-5-20120330 /
I:(DE-Juel1)GRS-20100316},
pnm = {574 - Theory, modelling and simulation (POF3-574)},
pid = {G:(DE-HGF)POF3-574},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000347238800011},
pubmed = {pmid:25417598},
doi = {10.1002/anie.201406910},
url = {https://juser.fz-juelich.de/record/201331},
}