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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.7b04164
|2 doi
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|a pubmed24n0939.xml
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|a (DE-627)NLM281750149
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|a (NLM)29518336
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|a DE-627
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|e rakwb
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|a eng
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|a Gonçalves da Silva, Amélia M P S
|e verfasserin
|4 aut
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|a Interaction of Hydrophobic Ionic Liquids with Lipids in Langmuir Monolayers
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|c 2018
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|a Text
|b txt
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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 06.07.2018
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|a Date Revised 06.07.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The interaction of two ionic liquids, trihexyl(tetradecyl)phosphonium bis(trifluoromethylsulfonyl)-imide and trihexyl(tetradecyl)phosphonium dicyanamide, [P6 6 6 14][Ntf2] and [P6 6 6 14]/[N(CN)2], with several long-chained lipids with a different net charge at the hydrophilic group, a cationic surfactant, dioctadecyldimethylammonium bromide (DODAB), a zwitterionic phospholipid (DPPC), an anionic phospholipid (DPPG), and the neutral stearic acid (SA), was investigated at the air-water interface using the Langmuir trough technique. The experimental surface pressure-area (π- A) isotherms obtained for selected compositions of each binary system reveal distinct interfacial behavior. The degree and the nature of the IL-lipid interaction strongly depend on the charge distribution in the lipid polar group. Miscibility, or immiscibility, at the monolayer was inferred from the comparison of the experimental π- A isotherm with the theoretical curve calculated for the corresponding ideal mixture based on the π- A isotherms of the pure components. Phase separation and partial miscibility occurred in IL/DODAB and IL/DPPC systems, respectively. In both the IL/DPPG and the IL/SA systems, a new catanionic complex was found. For the IL/SA system, the catanionic complex formation varies with the subphase pH
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 34(2018), 13 vom: 03. Apr., Seite 3797-3805
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:34
|g year:2018
|g number:13
|g day:03
|g month:04
|g pages:3797-3805
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|u http://dx.doi.org/10.1021/acs.langmuir.7b04164
|3 Volltext
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|h 3797-3805
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