Journal Article

FZJ-2017-02332

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Relationship Between Structure and Fluctuations of Lipid Non-Lamellar Phases Deposited at the Solid/liquid Interface

Nylander, T. (Corresponding author) ; Soltwedel, O. ; Ganeva, M.FZJ* ; Hirst, C. ; Holdaway, J. A. ; Yanez Arteta, M. ; Wadsäter, M. ; Barauskas, J. ; Frielinghaus, H.FZJ* ; Holderer, O.FZJ*

2017
Soc. Washington, DC

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Please use a persistent id in citations: http://hdl.handle.net/2128/14223  doi:10.1021/acs.jpcb.6b11038

Abstract: The structure and dynamics of nanostructure films formed by mixtures of soy phosphatidylcholine and glycerol dioleate at the silicon–aqueous interface were studied by grazing incidence neutron spin echo spectroscopy (GINSES), specular and off-specular neutron reflectometry, and small-angle X-ray diffraction. Reverse hexagonal (HII) and micellar cubic phase (Fd3m) layers at the solid–liquid interface have been identified with neutron reflectometry measurements. A preferred orientation of the liquid crystalline (LC) domains was observed only for the anisotropic HII phase. The size of the LC domains was found to be about 1 micrometer as estimated from the width of the diffraction peaks. GINSES revealed that the cubic phase forms rather rigid films. In comparison, the HII film was more flexible, appearing as a modified undulation spectrum of the cylinders due to the interaction with the substrate.

Keyword(s): Polymers, Soft Nano Particles and Proteins (1st) ; Soft Condensed Matter (2nd)

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Contributing Institute(s):

1. JCNS-FRM-II (JCNS (München) ; Jülich Centre for Neutron Science JCNS (München) ; JCNS-FRM-II)
2. Neutronenstreuung (Neutronenstreuung ; JCNS-1)

Research Program(s):

1. 6G15 - FRM II / MLZ (POF3-6G15) (POF3-6G15)
2. 6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623) (POF3-623)

Experiment(s):

1. NREX: Neutron reflectometer with X-ray option (NL1)
2. J-NSE: Neutron spin-echo spectrometer (NL2ao)

Appears in the scientific report 2017

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Database coverage:
; ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; IF < 5 ; JCR ; NCBI Molecular Biology Database ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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