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231224s2012 xx |||||o 00| ||eng c |
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7 |
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|a 10.1021/la203580q
|2 doi
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|a pubmed24n0709.xml
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|a eng
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| 100 |
1 |
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|a Tissandier, Cédric
|e verfasserin
|4 aut
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| 245 |
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|a One-pot synthesis of hybrid multifunctional silica nanoparticles with tunable coating by click chemistry in reverse w/o microemulsion
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|c 2012
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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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| 500 |
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|a Date Completed 25.04.2012
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|a Date Revised 10.01.2012
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Multifunctional hybrid silica nanoparticles with a fluorescent core and tunable organic or polymeric shell can easily be prepared by a sol-gel process followed by 1,3 dipolar cycloaddition (CuAAC) in the same reverse quaternary W/O microemulsion. Compared to a classical multistep process, this one-pot synthesis reduces greatly the number of purification steps and avoids aggregation phenomena. The confinement of reactants inside the micellar system gives rise to a noticeable increase of the CuAAC reaction rate. In addition, using simultaneously two different substrates for CuAAC on silica allows us to obtain directly multifunctional hybrid nanoparticles displaying a double grafting without any separation or purification steps except the final recovery by centrifugation, which opens the door to a tunable coating of the nanoparticles. Particularly, the hydrophilic-lipophilic balance of the coating can be adjusted by implementing the pertinent MPEG:dodecyl azide ratio. As an application, the great versatility of this strategy has been proved by the one-pot synthesis of fluorescent silica nanoparticles with a PEG coating and encapsulating silver clusters
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|a Journal Article
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1 |
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|a Diop, Noël
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Martini, Matteo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Roux, Stéphane
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tillement, Olivier
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hamaide, Thierry
|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 28(2012), 1 vom: 10. Jan., Seite 209-18
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|x 1520-5827
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| 773 |
1 |
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|g volume:28
|g year:2012
|g number:1
|g day:10
|g month:01
|g pages:209-18
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|u http://dx.doi.org/10.1021/la203580q
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