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231223s2006 xx ||||| 00| ||eng c |
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|a pubmed24n0545.xml
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|a (DE-627)NLM163454078
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|a (NLM)16768536
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Olugebefola, Solar C
|e verfasserin
|4 aut
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|a Photo-cross-linkable polyelectrolyte multilayers for 2-D and 3-D patterning
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|c 2006
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|b nc
|2 rdacarrier
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|a Date Completed 20.07.2007
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|a Date Revised 13.06.2006
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a We report the synthesis of poly(acrylic acid-ran-vinylbenzyl acrylate) (PAArVBA), a photo-cross-linkable weak polyelectrolyte, and its incorporation into polyelectrolyte multilayer (PEM) films. PEM films assembled from PAArVBA and poly(allylamine hydrochloride) (PAH) are found to exhibit similar thickness trends with assembly pH as those previously reported for poly(acrylic acid) (PAA)/PAH multilayers. Swelling properties of the as-built and photo-cross-linked films are studied by in situ ellipsometry. Two-dimensional masking techniques are used to pattern regions of high and low swelling, as confirmed by atomic force microscopy (AFM), and to provide spatial control over the low-pH-induced microporosity transition exhibited by PAH/PAA PEMs. Films containing alternating blocks of PAH/PAArVBA bilayers and PAH/PAA bilayers were assembled, laterally photopatterned, and exposed to low-pH solution to generate nanoporosity leading to patterned Bragg reflectors, thereby demonstrating three-dimensional control over film structure in these weak PEM assemblies
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|a Journal Article
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|a Ryu, Sang-Woog
|e verfasserin
|4 aut
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|a Nolte, Adam J
|e verfasserin
|4 aut
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|a Rubner, Michael F
|e verfasserin
|4 aut
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|a Mayes, Anne 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 1992
|g 22(2006), 13 vom: 20. Juni, Seite 5958-62
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:22
|g year:2006
|g number:13
|g day:20
|g month:06
|g pages:5958-62
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|a GBV_ILN_721
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|a AR
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|d 22
|j 2006
|e 13
|b 20
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|h 5958-62
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