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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1021/la204539c
|2 doi
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|a pubmed25n0713.xml
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|a (DE-627)NLM213847639
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|a (NLM)22168596
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|a DE-627
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|e rakwb
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|a eng
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1 |
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|a Chambon, P
|e verfasserin
|4 aut
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|a How does cross-linking affect the stability of block copolymer vesicles in the presence of surfactant?
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 01.05.2012
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|a Date Revised 17.01.2012
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2011 American Chemical Society
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|a Block copolymer vesicles are conveniently prepared directly in water at relatively high solids by polymerization-induced self-assembly using an aqueous dispersion polymerization formulation based on 2-hydroxypropyl methacrylate. However, dynamic light scattering studies clearly demonstrate that addition of small molecule surfactants to such linear copolymer vesicles disrupts the vesicular membrane. This causes rapid vesicle dissolution in the case of ionic surfactants, with nonionic surfactants proving somewhat less destructive. To address this problem, glycidyl methacrylate can be copolymerized with 2-hydroxypropyl methacrylate and the resulting epoxy-functional block copolymer vesicles are readily cross-linked in aqueous solution using cheap commercially available polymeric diamines. Such epoxy-amine chemistry confers exceptional surfactant tolerance on the cross-linked vesicles and also leads to a distinctive change in their morphology, as judged by transmission electron microscopy. Moreover, pendent unreacted amine groups confer cationic character on these cross-linked vesicles and offer further opportunities for functionalization
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Polymers
|2 NLM
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|a Surface-Active Agents
|2 NLM
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1 |
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|a Blanazs, A
|e verfasserin
|4 aut
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1 |
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|a Battaglia, G
|e verfasserin
|4 aut
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|a Armes, S P
|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 1985
|g 28(2012), 2 vom: 17. Jan., Seite 1196-205
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|x 1520-5827
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|g volume:28
|g year:2012
|g number:2
|g day:17
|g month:01
|g pages:1196-205
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|u http://dx.doi.org/10.1021/la204539c
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