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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1021/la102391e
|2 doi
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|a pubmed24n0672.xml
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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 Tondo, Daniel W
|e verfasserin
|4 aut
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|a Synthesis of a new zwitterionic surfactant containing an imidazolium ring. Evaluating the chameleon-like behavior of zwitterionic micelles
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|c 2010
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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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|2 rdacarrier
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|a Date Completed 21.01.2011
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|a Date Revised 12.10.2010
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Synthesis of a new zwitterionic surfactant containing the imidazolium ring 3-(1-tetradecyl-3-imidazolio)propanesulfonate (ImS3-14) is described. The solubility of ImS3-14 is very low but increases on addition of a salt which helps to stabilize the micellized surfactant. Fluorescence quenching and electrophoretic evidence for ImS3-14 shows that the micellar aggregation number is only slightly sensitive to added salts, as is the critical micelle concentration, but NaClO(4) markedly increases zeta potentials of ImS3-14 in a similar way as in N-tetradecyl-N,N-dimethylammonio-1-propanesulfonate (SB3-14) micelles. The rate of specific hydrogen ion catalyzed hydrolysis of 2-(p-heptoxyphenyl)-1,3-dioxolane and equilibrium protonation of 1-hydroxy-2-naphthoate ion in zwitterionic micelles of ImS3-14 and SB3-14 are increased markedly by NaClO(4) which induces anionoid character and uptake of H(3)O(+), but NaCl is much less effective in this respect. Comparison of ImS3-14 with SB3-14 is based on experimental evidence, and computational calculations indicate similarities and differences in structures of both compounds
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|a Journal Article
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1 |
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|a Leopoldino, Elder C
|e verfasserin
|4 aut
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1 |
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|a Souza, Bruno S
|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 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 26(2010), 20 vom: 19. Okt., Seite 15754-60
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:26
|g year:2010
|g number:20
|g day:19
|g month:10
|g pages:15754-60
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|u http://dx.doi.org/10.1021/la102391e
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