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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1021/la303745p
|2 doi
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|a pubmed24n0742.xml
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|a (DE-627)NLM222676361
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|a (NLM)23157727
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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 Sakai, Kenichi
|e verfasserin
|4 aut
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| 245 |
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|a Wormlike micelle formation by acylglutamic acid with alkylamines
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|c 2012
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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 23.05.2013
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|a Date Revised 25.11.2016
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Rheological properties of alkyl dicarboxylic acid-alkylamine complex systems have been characterized. The complex materials employed in this study consist of an amino acid-based surfactant (dodecanoylglutamic acid, C12Glu) and a tertiary alkylamine (dodecyldimethylamine, C12DMA) or a secondary alkylamine (dodecylmethylamine, C12MA). (1)H NMR and mass spectroscopic data have suggested that C12Glu forms a stoichiometric 1:1 complex with C12DMA and C12MA. Rheological measurements have suggested that the complex systems yield viscoelastic wormlike micellar solutions and the rheological behavior is strongly dependent on the aqueous solution pH. This pH-dependent behavior results from the structural transformation of the wormlike micelles to occur in the narrow pH range 5.5-6.2 (in the case of C12Glu-C12DMA system); i.e., positive curved aggregates such as spherical or rodlike micelles tend to be formed at high pH values. Our current study offers a unique way to obtain viscoelastic wormlike micellar solutions by means of alkyl dicarboxylic acid-alkylamine complex as gemini-like amphiphiles
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Amines
|2 NLM
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|a Glutamates
|2 NLM
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|a Methylamines
|2 NLM
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|a Micelles
|2 NLM
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| 650 |
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|a N,N-dimethyl-1-dodecanamine
|2 NLM
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| 650 |
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|a 112-18-5
|2 NLM
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| 650 |
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|a N-methyldodecylamine
|2 NLM
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|a 88NN43I94S
|2 NLM
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|a N-dodecanoylglutamic acid
|2 NLM
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| 650 |
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|a MT62245356
|2 NLM
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| 700 |
1 |
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|a Nomura, Kazuyuki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shrestha, Rekha Goswami
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Endo, Takeshi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sakamoto, Kazutami
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sakai, Hideki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Abe, Masahiko
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 28(2012), 51 vom: 21. Dez., Seite 17617-22
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:28
|g year:2012
|g number:51
|g day:21
|g month:12
|g pages:17617-22
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|u http://dx.doi.org/10.1021/la303745p
|3 Volltext
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|d 28
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|h 17617-22
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