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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1021/la802179m
|2 doi
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|a pubmed24n0613.xml
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|a (DE-627)NLM183955935
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|a (NLM)18950202
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Farrukh, M Akhyar
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Reactivity and models for anion distribution
|b specific iodide binding to sulfobetaine micelles
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| 264 |
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|c 2008
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| 336 |
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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
|b cr
|2 rdacarrier
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|a Date Completed 09.01.2009
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|a Date Revised 12.11.2008
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a The reaction of I (-) with methyl naphthalene-2-sulfonate (MeONs) is accelerated by the micellized sulfobetaine surfactants N-decyl, N-dodecyl, N-tetradecyl, and N-hexadecyl- N, N-dimethylammonio-1-propanesulfonate. Concentrations of micellar-bound I (-) were determined by using ion-selective electrodes (ISE), and capillary electrophoresis. At low concentrations, I (-) incorporation fits Langmuir isotherms and is related to changes in micellar surface potentials. Rate effects of dilute KI are fitted quantitatively by a pseudophase model that describes I (-) binding in terms of a sorption isotherm, but at higher [KI], where the simple model predicts saturation, rates increase due to electrolyte invasion. This model considers transfer equilibria of both reactants between water and micelles and second-order rate constants in each pseudophase. Estimated second-order rate constants for reaction of MeONs with I (-) in the micellar pseudophase are 3.2- to 3.5-fold higher than the second-order rate constant, k 2w, in water, depending on surfactant structure and assumptions in the treatment
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|a Journal Article
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1 |
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|a Beber, Rosane C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Priebe, Jacks P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lal Satnami, Manmohan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Micke, Gustavo A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Costa, Ana C O
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fiedler, Haidi D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bunton, Clifford A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nome, Faruk
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 24(2008), 22 vom: 18. Nov., Seite 12995-3000
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:24
|g year:2008
|g number:22
|g day:18
|g month:11
|g pages:12995-3000
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|u http://dx.doi.org/10.1021/la802179m
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