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@ARTICLE{Jaksch:188219,
author = {Jaksch, Sebastian and Lipfert, Frederik and Koutsioumpas,
Alexandros and Mattauch, Stefan and Holderer, Olaf and
Ivanova, Oxana and Frielinghaus, Henrich and Hertrich,
Samira and Fischer, Stefan F. and Nickel, Bert},
title = {{I}nfluence of ibuprofen on phospholipid membranes},
journal = {Physical review / E},
volume = {91},
number = {2},
issn = {1539-3755},
address = {College Park, Md.},
publisher = {APS},
reportid = {FZJ-2015-01661},
pages = {022716},
year = {2015},
abstract = {A basic understanding of biological membranes is of
paramount importance as these membranes comprise the very
building blocks of life itself. Cells depend in their
function on a range of properties of the membrane, which are
important for the stability and function of the cell,
information and nutrient transport, waste disposal, and
finally the admission of drugs into the cell and also the
deflection of bacteria and viruses. We have investigated the
influence of ibuprofen on the structure and dynamics of
L-α-phosphatidylcholine (SoyPC) membranes by means of
grazing incidence small-angle neutron scattering, neutron
reflectometry, and grazing incidence neutron spin echo
spectroscopy. From the results of these experiments, we were
able to determine that ibuprofen induces a two-step
structuring behavior in the SoyPC films, where the structure
evolves from the purely lamellar phase for pure SoyPC over a
superposition of two hexagonal phases to a purely hexagonal
phase at high concentrations. A relaxation, which is visible
when no ibuprofen is present in the membrane, vanishes upon
addition of ibuprofen. This we attribute to a stiffening of
the membrane. This behavior may be instrumental in
explaining the toxic behavior of ibuprofen in long-term
application.},
cin = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
(München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1 /
ICS-1 / JCNS-2 / PGI-4 / JARA-FIT},
ddc = {530},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)ICS-1-20110106 /
I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
$I:(DE-82)080009_20140620$},
pnm = {144 - Controlling Collective States (POF3-144) / 524 -
Controlling Collective States (POF3-524) / 6215 - Soft
Matter, Health and Life Sciences (POF3-621) / 6G15 - FRM II
/ MLZ (POF3-6G15) / 6G4 - Jülich Centre for Neutron
Research (JCNS) (POF3-623)},
pid = {G:(DE-HGF)POF3-144 / G:(DE-HGF)POF3-524 /
G:(DE-HGF)POF3-6215 / G:(DE-HGF)POF3-6G15 /
G:(DE-HGF)POF3-6G4},
experiment = {EXP:(DE-MLZ)J-NSE-20140101 / EXP:(DE-MLZ)MARIA-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000350107200006},
doi = {10.1103/PhysRevE.91.022716},
url = {https://juser.fz-juelich.de/record/188219},
}