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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1021/la502729z
|2 doi
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|a pubmed25n0802.xml
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|a eng
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| 100 |
1 |
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|a Dirani, Ali
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Layers over layer-by-layer assemblies
|b silanization of polyelectrolyte multilayers
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 12.05.2015
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|a Date Revised 26.08.2014
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The functionalization of poly(allylamine hydrochloride)/poly(acrylic acid) (PAH/PAA) polyelectrolyte multilayers by silanes reacted from the gas phase is studied depending on reaction time and temperature, pH of multilayer assembly, and nature of the reacting silane group. Whereas monochlorosilanes only diffuse in the multilayer and graft in limited amount, trichloro- and triethoxysilanes form rapidly a continuous gel layer on the surface of the multilayer, with a thickness of ca. 10-20 nm. The reactivity is lower in the strongly paired regime of the multilayers (neutral assembly conditions) but otherwise is not affected by the pH of multilayer assembly. Silanization considerably broadens the range of possible functionalities for (PAH/PAA) multilayers: hydrophobicity, surface-initiated polymerization, and grafting of fluorescent probes by the formation of disulfide bridges are demonstrated. Conversely, our results also broaden the range of substrates that can be functionalized by silanes, using (PAH/PAA) multilayers as ubiquitous anchoring layers
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|a Journal Article
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|a Fernandes, Antony E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wong, Diana Ramirez
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lipnik, Pascale
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Poleunis, Claude
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nysten, Bernard
|e verfasserin
|4 aut
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1 |
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|a Glinel, Karine
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jonas, Alain M
|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 30(2014), 33 vom: 26. Aug., Seite 10057-65
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:30
|g year:2014
|g number:33
|g day:26
|g month:08
|g pages:10057-65
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|u http://dx.doi.org/10.1021/la502729z
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