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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1021/la103708d
|2 doi
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|a eng
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| 100 |
1 |
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|a Lee, Sun Ju
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Morphological manipulation of ionic block copolymer micelles using an electric field
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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 06.04.2011
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|a Date Revised 30.11.2010
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a We present an electric-field-triggered sphere-to-cylinder transition of negatively charged block copolymer micelles with a radically low electric field of 30 V/cm. The system investigated is dilute solutions of strong polyelectrolyte containing ionic-b-neutral block copolymers (i.e., poly(styrenesulfonate-b-methylbutylene)). We have carried out in situ small-angle X-ray scattering experiments equipped with a dc power supply, combined with electron microscopy and atomic force microscopy. The application of small electrical fields across the solutions of spherical micelles results in the transient morphology of interconnected spheres, which are eventually transformed into a cylindrical shape with time. The E-field-induced cylindrical micelles revert to spherical micelles when the E field is switched off
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|a Journal Article
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|a Park, Moon Jeong
|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 26(2010), 23 vom: 07. Dez., Seite 17827-30
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|g year:2010
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|g day:07
|g month:12
|g pages:17827-30
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