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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.6b04602
|2 doi
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|a pubmed24n0897.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 Hebbeker, Pascal
|e verfasserin
|4 aut
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| 245 |
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|a Balancing Segregation and Complexation in Amphiphilic Copolymers by Architecture and Confinement
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|c 2017
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 20.06.2018
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|a Date Revised 20.06.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Segregation is a well-known principle for micellization, as solvophobic components try to minimize interactions with other entities (such as solvent) by self-assembly. An opposite principle is based on complexation (or coacervation), leading to the coassembly/association of different components. Most cases in the literature rely on only one of these modes, though the classical micellization scheme (such as spherical micelles, wormlike micelles, and vesicles) can be enriched by a subtle balance of segregation and complexation. Because of their counteraction, micellar constructs with unprecedented structure and behavior could be obtained. In this feature, systems are highlighted, which are between both mechanisms, and we study concentration, architecture, and confinement effects. Systems with inter- and intramolecular interactions are presented, and the effects of polymer topology and monomer sequence on the resulting structures are discussed. It is shown that complexation can lead to altered micellization behavior as the complex of one hydrophobic and one hydrophilic component can have a very low surface tension toward the solvent. Then, the more soluble component is enriched at the surface of the complex and acts as a microsurfactant. Although segregation dominates for amphiphilic copolymers in solution, the effect of the complexation can be enhanced by branching (change of architecture). Another possibility to enhance the complexation is by confining copolymers in a (pseudo-) 2D environment (like the one available at liquid-liquid interfaces). These observations show how new structural features can be achieved by tuning the subtle balance between segregation and complexation/solubilization
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Steinschulte, Alexander A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schneider, Stefanie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Plamper, Felix A
|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 1999
|g 33(2017), 17 vom: 02. Mai, Seite 4091-4106
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:33
|g year:2017
|g number:17
|g day:02
|g month:05
|g pages:4091-4106
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|u http://dx.doi.org/10.1021/acs.langmuir.6b04602
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