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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1021/la8012359
|2 doi
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|a pubmed24n0605.xml
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|a (DE-627)NLM181580349
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|a (NLM)18702536
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Tucker, I
|e verfasserin
|4 aut
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|a Self-assembly in complex mixed surfactant solutions
|b the impact of dodecyl triethylene glycol on dihexadecyl dimethyl ammonium bromide
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|c 2008
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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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|a Date Completed 17.10.2008
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|a Date Revised 10.09.2008
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The impact of the nonionic surfactant, dodecyl triethyleneglycol ether (C(12)E(3)) on the solution microstructure of the dialkyl chain cationic surfactant, dihexadecyl dimethyl ammonium bromide, (DHDAB) has been investigated. The variation in solution microstructure has been studied using a combination of small angle neutron scattering, ultra small angle neutron scattering, optical texture and photon correlation spectroscopy. At low surfactant concentrations (1.5 mM) the microstructure takes the form of bilamellar vesicles (BLV) for compositions containing less than 20 mol % of added C(12)E(3). Multilamellar vesicles (MLV) are the predominant microstructure for solutions richer in composition than 20 mol % C(12)E(3). At more than 80 mol % C(12)E(3), the solution microstructure reverts to that of a lamellar phase dispersion consistent with studies on the pure nonionic surfactant. At higher concentrations (60 mM) a wide continuous L beta phase region is observed for compositions in the range 20 to 80 mol % C(12)E(3). The fine details of the phase diagram were obtained from quantitative analysis of the SANS data using a well-established lamellar membrane model. Irrespective of the nonionic content, the bilayers are in general highly rigid, consistent with those stabilized by charge interactions. Furthermore estimates of the product of membrane moduli (compressibility and bending modulus) indicate that the different phase regions have very different membrane properties, however the magnitude of the variations observed are not predicted using existing theoretical treatments
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|a Journal Article
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|a Penfold, J
|e verfasserin
|4 aut
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1 |
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|a Thomas, R K
|e verfasserin
|4 aut
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1 |
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|a Grillo, I
|e verfasserin
|4 aut
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1 |
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|a Mildner, D F R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Barker, J G
|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 24(2008), 18 vom: 16. Sept., Seite 10089-98
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:24
|g year:2008
|g number:18
|g day:16
|g month:09
|g pages:10089-98
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| 856 |
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|u http://dx.doi.org/10.1021/la8012359
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