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231223s2005 xx ||||| 00| ||eng c |
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|a pubmed24n0510.xml
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|a (NLM)15641824
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Geng, Yan
|e verfasserin
|4 aut
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|a Origin of the sphere-to-rod transition in cationic micelles with aromatic counterions
|b specific ion hydration in the interfacial region matters
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|c 2005
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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 28.07.2006
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|a Date Revised 11.01.2005
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Sphere-to-rod transitions of cetyltrimethylammonium (CTA+) micelles with dichlorobenzoate counterions are remarkably substituent dependent. Simultaneous estimates of the interfacial molarities of H2O, MeOH, and Cl- and 2,6- and 3,5-dichlorobenzoate (2,6OBz and 3,5OBz) counterions were obtained by the chemical trapping method in mixed micelles of CTACl/CTA3,5OBz and CTACl/CTA2,6OBz without added salt. Increasing the CTA3,5OBz mole fraction produces a marked concurrent increase in interfacial 3,5OBz- and a decrease in interfacial H2O concentrations through the sphere-to-rod transition. No abrupt concentration changes are observed with increasing CTA2,6OBz mole fraction. Counterion-specific changes in the interfacial water concentration may be a major contributor to the delicate balance of forces governing micellar morphology
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|a Journal Article
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|a Romsted, Laurence S
|e verfasserin
|4 aut
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1 |
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|a Froehner, Sandro
|e verfasserin
|4 aut
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|a Zanette, Dino
|e verfasserin
|4 aut
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| 700 |
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|a Magid, Linda J
|e verfasserin
|4 aut
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|a Cuccovia, Iolanda M
|e verfasserin
|4 aut
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|a Chaimovich, Hernan
|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 21(2005), 2 vom: 18. Jan., Seite 562-8
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:21
|g year:2005
|g number:2
|g day:18
|g month:01
|g pages:562-8
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