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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1021/la1003512
|2 doi
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|a pubmed24n0658.xml
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|a (NLM)20394443
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a Kett, Peter J N
|e verfasserin
|4 aut
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|a Sum frequency generation (SFG) vibrational spectroscopy of planar phosphatidylethanolamine hybrid bilayer membranes under water
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|c 2010
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 31.08.2010
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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|a Sum frequency generation (SFG) spectroscopy has been used to study the structure of phosphatidylethanolamine hybrid bilayer membranes (HBMs) under water at ambient temperatures. The HBMs were formed using a modified Langmuir-Schaefer technique and consisted of a layer of dipalmitoyl phosphatidylethanolamine (DPPE) physisorbed onto an octadecanethiol (ODT) self-assembled monolayer (SAM) at a series of surface pressures from 1 to 40 mN m(-1). The DPPE and ODT were selectively deuterated so that the contributions to the SFG spectra from the two layers could be determined separately. SFG spectra in both the C-H and C-D stretching regions confirmed that a monolayer of DPPE had been adsorbed to the ODT SAM and that there were gauche defects within the alkyl chains of the phospholipid. On adsorption of a layer of DPPE, methylene modes from the ODT SAM were detected, indicating that the phospholipid had partially disordered the alkanethiol monolayer. SFG spectra recorded in air indicated that removal of water from the surface of the HBM resulted in disruption of the DPPE layer and the formation of phospholipid bilayers
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Alkanes
|2 NLM
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|a Phosphatidylethanolamines
|2 NLM
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|a Sulfhydryl Compounds
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a octadecane
|2 NLM
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|a N102P6HAIU
|2 NLM
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1 |
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|a Casford, Michael T L
|e verfasserin
|4 aut
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|a Davies, Paul B
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 26(2010), 12 vom: 15. Juni, Seite 9710-9
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:26
|g year:2010
|g number:12
|g day:15
|g month:06
|g pages:9710-9
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|u http://dx.doi.org/10.1021/la1003512
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