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231223s2007 xx ||||| 00| ||eng c |
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|a (DE-627)NLM168559358
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|a (NLM)17316029
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Toquer, Guillaume
|e verfasserin
|4 aut
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|a Lyotropic structures in a thermotropic liquid crystal
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|c 2007
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 15.05.2007
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|a Date Revised 20.03.2007
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a We have investigated the nature of didodecyldimethylammonium bromide (DDAB)/water aggregates dispersed in 4-n-pentyl-4'-cyanobiphenyl thermotropic liquid crystal (5CB). The structure of this microemulsion has been probed by small-angle neutron and X-ray scattering experiments far above the nematic-to-isotropic phase transition temperature of the solvent. Our data show that the stability of this system is controlled by strong attractive van der Waals interactions between spherical inverted micelles. These interactions also explain why other swollen mesophases in related cosurfactant/DDAB/water/5CB phase diagrams are not observed. When approaching the isotropic-to-nematic phase transition, scattering experiments additionally confirm the predominance of an increasing attractive interaction due to the 5CB paranematic fluctuations
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|a Journal Article
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|a Porte, Grégoire
|e verfasserin
|4 aut
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|a Nobili, Maurizio
|e verfasserin
|4 aut
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|a Appell, Jacqueline
|e verfasserin
|4 aut
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| 700 |
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|a Blanc, Christophe
|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 23(2007), 7 vom: 27. März, Seite 4081-7
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:23
|g year:2007
|g number:7
|g day:27
|g month:03
|g pages:4081-7
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|d 23
|j 2007
|e 7
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|c 03
|h 4081-7
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