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231223s2008 xx |||||o 00| ||eng c |
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7 |
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|a 10.1021/la703270c
|2 doi
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|a pubmed24n0592.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Byun, Myunghwan
|e verfasserin
|4 aut
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| 245 |
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|a Self-assembling semicrystalline polymer into highly ordered, microscopic concentric rings by evaporation
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 05.05.2008
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|a Date Revised 26.03.2008
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a A drop of semicrystalline polymer, poly(ethylene oxide) (PEO), solution was placed in a restricted geometry consisting of a sphere on a flat substrate (i.e., sphere-on-flat geometry). Upon solvent evaporation from the sphere-on-flat geometry, microscopic concentric rings of PEO with appropriate high molecular weight were produced via controlled, repetitive pinning ("stick") and depinning ("slip") cycles of the contact line. The evaporation-induced concentric rings of PEO exhibited a fibrillar-like surface morphology. Subsequent isothermal crystallization of rings at 40 and 58 degrees C led to the formation of multilayer of flat-on lamellae (i.e., spiral morphology). In between adjacent spirals, depletion zones were developed during crystallization, as revealed by AFM measurements. The present highly ordered, concentric PEO rings may serve as a platform to study cell adhesion and motility, neuron guidance, cell mechanotransduction, and other biological processes
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|a Journal Article
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| 700 |
1 |
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|a Hong, Suck Won
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Lei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Zhiqun
|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 24(2008), 7 vom: 01. Apr., Seite 3525-31
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:24
|g year:2008
|g number:7
|g day:01
|g month:04
|g pages:3525-31
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|u http://dx.doi.org/10.1021/la703270c
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