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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1021/la301896c
|2 doi
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|a eng
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| 100 |
1 |
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|a Larson-Smith, Kjersta
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Pickering emulsions stabilized by nanoparticle surfactants
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| 264 |
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1 |
|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a Date Completed 18.12.2012
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|a Date Revised 14.08.2012
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a Amphiphilic gold nanoparticles are demonstrated to effectively stabilize emulsions of hexadecane in water. Nanoparticle surfactants are synthesized using a simple and scalable one-pot method that involves the sequential functionalization of particle surfaces with thiol-terminated polyethylene glycol (PEG) chains and short alkane-thiol molecules. The resulting nanoparticles are shown to be highly effective emulsifying agents due to their strong adsorption at oil-water and air-water interfaces. The original nonfunctionalized gold nanoparticles are unable to effectively stabilize oil-water emulsions due to their small size and low adsorption energy. Small-angle X-ray scattering and electron microscopy are used to demonstrate the formation of nanoparticle-stabilized colloidosomes that are stable against coalescence and show significant shifts in plasmon resonance enhancing the near-infrared optical absorption
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| 650 |
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|a Journal Article
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|a Pozzo, Danilo C
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|t Langmuir : the ACS journal of surfaces and colloids
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|g 28(2012), 32 vom: 14. Aug., Seite 11725-32
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