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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1021/la103365q
|2 doi
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|a eng
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| 100 |
1 |
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|a Barrett, Michael J
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Size separation of macromolecules during spreading
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|c 2010
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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 03.01.2011
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|a Date Revised 29.09.2010
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Spreading of homogeneous mixtures of bottle-brush and linear macromolecules of poly(n-butylacrylate) on a solid substrate has been monitored on the molecular scale by atomic force microscopy. Despite the nearly identical chemical composition and similar molecular weight, brush-like macromolecules move markedly slower than linear chains. Moreover, smaller bottle-brushes have been shown to flow faster than the larger bottle-brushes, resulting in fractionation of the macromolecules along the spreading direction. This behavior was explained by the difference in sliding friction coefficient between the bottle-brush macromolecules and linear chains with the substrate. A theoretical model of molecular size separation is in a good agreement with experimental data
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4 |
|a Journal Article
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1 |
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|a Sun, Frank C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nese, Alper
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Matyjaszewski, Krzysztof
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Carrillo, Jan-Michael Y
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dobrynin, Andrey V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sheiko, Sergei S
|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 26(2010), 19 vom: 05. Okt., Seite 15339-44
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|g volume:26
|g year:2010
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|g day:05
|g month:10
|g pages:15339-44
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