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231223s2008 xx |||||o 00| ||eng c |
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7 |
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|a 10.1021/la703758p
|2 doi
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|a pubmed24n0600.xml
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|a (NLM)18507418
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|a eng
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1 |
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|a Folmer, Britta M
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Structure and dynamics of micelles and cubic phase structures with ethoxylated phytosterol surfactant in water
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 15.08.2008
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|a Date Revised 21.11.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The self-assembly of a sterol ethoxylate surfactant with 30 oxyethylene units in water was studied by 1H NMR self-diffusion measurements in a wide concentration range in the micellar region (0-25 wt %). The data showed that the surfactant aggregates do not interact by hard sphere interactions but rather a strong concentration dependence of the diffusion coefficient was noted which was explained by polymer scaling theory. In the cubic phase (30-65 wt %), the self-diffusion data from water, from surfactant, and from free polyoxyethylene suggest spherical micelles, although water diffusion was much restricted due to binding to the surfactant headgroup. From X-ray measurements in the cubic phase, the unit cell size was calculated, and together with surfactant self-diffusion measurements the exchange dynamics between free and aggregated surfactant was obtained
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Ethylene Glycols
|2 NLM
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|a Micelles
|2 NLM
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| 650 |
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|a Phytosterols
|2 NLM
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| 650 |
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|a Surface-Active Agents
|2 NLM
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| 650 |
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|a Water
|2 NLM
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|2 NLM
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|a Nydén, Magnus
|e verfasserin
|4 aut
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0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 24(2008), 13 vom: 01. Juni, Seite 6441-6
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|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:24
|g year:2008
|g number:13
|g day:01
|g month:06
|g pages:6441-6
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| 856 |
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|u http://dx.doi.org/10.1021/la703758p
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