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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1021/la5021934
|2 doi
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|a pubmed24n0804.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 |
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|a Schmidtke, Christian
|e verfasserin
|4 aut
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| 245 |
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|a Polymer-assisted self-assembly of superparamagnetic iron oxide nanoparticles into well-defined clusters
|b controlling the collective magnetic properties
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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 22.05.2015
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|a Date Revised 19.11.2015
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The combination of superstructure-forming amphiphilic block copolymers and superparamagnetic iron oxide nanoparticles produces new nano/microcomposites with unique size-dependent properties. Herein, we demonstrate the controlled clustering of superparamagnetic iron oxide nanoparticles (SPIOs) ranging from discretely encapsulated SPIOs to giant clusters, containing hundreds or even more particles, using an amphiphilic polyisoprene-block-poly(ethylene glycol) diblock copolymer. Within these clusters, the SPIOs interact with each other and show new collective properties, neither obtainable with singly encapsulated nor with the bulk material. We observed cluster-size-dependent magnetic properties, influencing the blocking temperature, the magnetoviscosity of the liquid suspension, and the r2 relaxivity for magnetic iron oxide nanoparticles. The clustering methodology can be expanded also to other nanoparticle materials [CdSe/CdS/ZnS core/shell/shell quantum dots (QDs), CdSe/CdS quantum dots/quantum rods (QDQRs), gold nanoparticles, and mixtures thereof]
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Cadmium Compounds
|2 NLM
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|a Ferric Compounds
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|a Polymers
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|a Selenium Compounds
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|a Sulfides
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|a Surface-Active Agents
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|a cadmium sulfide
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|a ferric oxide
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|a cadmium selenide
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|a A7F646JC5C
|2 NLM
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| 700 |
1 |
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|a Eggers, Robin
|e verfasserin
|4 aut
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1 |
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|a Zierold, Robert
|e verfasserin
|4 aut
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|a Feld, Artur
|e verfasserin
|4 aut
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|a Kloust, Hauke
|e verfasserin
|4 aut
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|a Wolter, Christopher
|e verfasserin
|4 aut
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|a Ostermann, Johannes
|e verfasserin
|4 aut
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|a Merkl, Jan-Philip
|e verfasserin
|4 aut
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|a Schotten, Theo
|e verfasserin
|4 aut
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|a Nielsch, Kornelius
|e verfasserin
|4 aut
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|a Weller, Horst
|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 30(2014), 37 vom: 23. Sept., Seite 11190-6
|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:37
|g day:23
|g month:09
|g pages:11190-6
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|u http://dx.doi.org/10.1021/la5021934
|3 Volltext
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