Ultrasmall biocompatible nanocomposites : a new approach using seeded emulsion polymerization for the encapsulation of nanocrystals

We report a novel approach of seeded emulsion polymerization in which nanocrystals are used as seeds. Ultrasmall biocompatible polymer-coated nanocrystal with sizes between 15 and 110 nm could be prepared in a process that avoids any treatment with high shear forces or ultrasonication. The number of...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 28(2012), 18 vom: 08. Mai, Seite 7276-81
1. Verfasser: Kloust, Hauke (VerfasserIn)
Weitere Verfasser: Pöselt, Elmar, Kappen, Sascha, Schmidtke, Christian, Kornowski, Andreas, Pauer, Werner, Moritz, Hans-Ulrich, Weller, Horst
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Coated Materials, Biocompatible Emulsions Polysorbates Surface-Active Agents
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520 |a We report a novel approach of seeded emulsion polymerization in which nanocrystals are used as seeds. Ultrasmall biocompatible polymer-coated nanocrystal with sizes between 15 and 110 nm could be prepared in a process that avoids any treatment with high shear forces or ultrasonication. The number of nanocrystals per seed, the size of the seeds, and the shell thickness can be independently adjusted. Single encapsulated nanocrystals in ultrasmall nanobeads as well as clusters of nanocrystals can be obtained. Polysorbat-80 was used as surfactant. It consists of poly(ethylene glycol) (PEG) chains, giving the particles outstanding biofunctional characteristics such as a minimization of unspecific interactions 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Emulsions  |2 NLM 
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700 1 |a Pöselt, Elmar  |e verfasserin  |4 aut 
700 1 |a Kappen, Sascha  |e verfasserin  |4 aut 
700 1 |a Schmidtke, Christian  |e verfasserin  |4 aut 
700 1 |a Kornowski, Andreas  |e verfasserin  |4 aut 
700 1 |a Pauer, Werner  |e verfasserin  |4 aut 
700 1 |a Moritz, Hans-Ulrich  |e verfasserin  |4 aut 
700 1 |a Weller, Horst  |e verfasserin  |4 aut 
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