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231223s2009 xx |||||o 00| ||eng c |
| 024 |
7 |
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|a 10.1021/la901835z
|2 doi
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|a pubmed24n0632.xml
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|a eng
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| 100 |
1 |
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|a Zhao, Yi
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Photo-cross-linkable polymer micelles in hydrogen-bonding-built layer-by-layer films
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|c 2009
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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 21.01.2010
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|a Date Revised 10.11.2009
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Photoactive micelles of a diblock copolymer composed of poly(ethylene oxide) and poly(7-(2-methacryloyloxyethoxy)-4-methylcoumarin) (PEO-b-PCMA) were layer-by-layer assembled with poly(acrylic acid) (PAA) using hydrogen-bonding between the PEO corona of the micelles and the PAA chains (pH < 3). In addition to characterizing the assembly process using a number of techniques, the tunable photo-cross-linking of polymer micelles through dimerization of the coumarin groups was used to generate interesting functions for the multilayer film. On the one hand, the easy tuning of the photo-cross-linking density could be used to control the release rate of hydrophobic guest molecules loaded in the film. On the other hand, after chemical cross-linking of PAA to stabilize the film, the photo-cross-linking of the micelles could be used to restrict the dissolution of PEO-b-PCMA chains in a good organic solvent; this cross-linking-dependent extraction of polymer micelles was utilized to vary the porosity of the film
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|a Journal Article
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1 |
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|a Bertrand, Jessica
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tong, Xia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Yue
|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 25(2009), 22 vom: 17. Nov., Seite 13151-7
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|g volume:25
|g year:2009
|g number:22
|g day:17
|g month:11
|g pages:13151-7
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|u http://dx.doi.org/10.1021/la901835z
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