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024 7 _ |a 10.3390/colloids2030031
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024 7 _ |a 2128/20156
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037 _ _ |a FZJ-2018-06264
082 _ _ |a 540
100 1 _ |a Jaksch, Sebastian
|0 P:(DE-Juel1)157910
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|e Corresponding author
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245 _ _ |a Measurements of Dynamic Contributions to Coherent Neutron Scattering
260 _ _ |a Basel
|c 2018
|b MDPI
336 7 _ |a article
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336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a Journal Article
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520 _ _ |a In this manuscript, we are investigating the contribution of dynamic membrane properties of phospholipid membranes to coherent scattering signals under grazing incidence. Spectroscopic measurements under grazing incidence can provide useful insight into the properties of biological membranes; however, they are often impeded by weak signals. By using grazing-incidence small-angle neutron scattering (GISANS) to identify a dynamic scattering contribution, we are able to independently corroborate the existence of a previously found dynamic mode, now measured by grazing-incidence neutron spin echo spectroscopy (GINSES). Additionally, by increasing the speed of measurement compared to GINSES from several days to hours, we were able to explore the temperature behavior of this mode in phospholipid membranes. These dynamic modes of the membranes show a wavelength of around 700 Å in-plane of the membrane and are most pronounced around 37 ∘C and strongly decrease at lower temperatures below 25 ∘C before vanishing at 20 ∘C. We therefore speculate that they may be linked to biologically relevant functions of the membranes themselves. To our knowledge, this is the first report of an investigation of that membrane mode by means of GISANS.
536 _ _ |a 6215 - Soft Matter, Health and Life Sciences (POF3-621)
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536 _ _ |a 6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
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588 _ _ |a Dataset connected to CrossRef
650 2 7 |a Soft Condensed Matter
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650 1 7 |a Polymers, Soft Nano Particles and Proteins
|0 V:(DE-MLZ)GC-1602-2016
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693 _ _ |a Forschungs-Neutronenquelle Heinz Maier-Leibnitz
|e MARIA: Magnetic reflectometer with high incident angle
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700 1 _ |a Koutsioumpas, Alexandros
|0 P:(DE-Juel1)158075
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700 1 _ |a Mattauch, Stefan
|0 P:(DE-Juel1)130821
|b 2
700 1 _ |a Holderer, Olaf
|0 P:(DE-Juel1)130718
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700 1 _ |a Frielinghaus, Henrich
|0 P:(DE-Juel1)130646
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773 _ _ |a 10.3390/colloids2030031
|g Vol. 2, no. 3, p. 31 -
|0 PERI:(DE-600)2934567-4
|n 3
|p 31 -
|t Colloids and interfaces
|v 2
|y 2018
|x 2504-5377
856 4 _ |y OpenAccess
|u https://juser.fz-juelich.de/record/856975/files/colloids-02-00031.pdf
856 4 _ |y OpenAccess
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910 1 _ |a Forschungszentrum Jülich
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913 1 _ |a DE-HGF
|b Forschungsbereich Materie
|l Von Materie zu Materialien und Leben
|1 G:(DE-HGF)POF3-620
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|v In-house research on the structure, dynamics and function of matter
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913 1 _ |a DE-HGF
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913 1 _ |a DE-HGF
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|v Facility topic: Neutrons for Research on Condensed Matter
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914 1 _ |y 2018
915 _ _ |a OpenAccess
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915 _ _ |a Creative Commons Attribution CC BY 4.0
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