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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.6b01433
|2 doi
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|a pubmed24n0871.xml
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|a (NLM)27323835
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Benyettou, Farah
|e verfasserin
|4 aut
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| 245 |
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|a Redox-Responsive Viologen-Mediated Self-Assembly of CB[7]-Modified Patchy Particles
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 30.05.2018
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|a Date Revised 30.05.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Sulfonated surface patches of poly(styrene)-based colloidal particles (CPs) were functionalized with cucurbit[7]uril (CB[7]). The macrocycles served as recognition units for diphenyl viologen (DPV(2+)), a rigid bridging ligand. The addition of DPV(2+) to aqueous suspensions of the particles triggered the self-assembly of short linear and branched chainlike structures. The self-assembly mechanism is based on hydrophobic/ion-charge interactions that are established between DPV(2+) and surface-adsorbed CB[7]. DPV(2+) guides the self-assembly of the CPs by forming a ternary DPV(2+)⊂(CB[7])2 complex in which the two CB[7] macrocycles are attached to two different particles. Viologen-driven particle assembly was found to be both directional and reversible. Whereas sodium chloride triggers irreversible particle disassembly, the one-electron reduction of DPV(2+) with sodium dithionite causes disassembly that can be reversed via air oxidation. Thus, this bottom-up synthetic supramolecular approach allowed for the reversible formation and directional alignment of a 2D colloidal material
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Zheng, Xiaolong
|e verfasserin
|4 aut
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|a Elacqua, Elizabeth
|e verfasserin
|4 aut
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|a Wang, Yu
|e verfasserin
|4 aut
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|a Dalvand, Parastoo
|e verfasserin
|4 aut
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|a Asfari, Zouhair
|e verfasserin
|4 aut
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|a Olsen, John-Carl
|e verfasserin
|4 aut
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|a Han, Dong Suk
|e verfasserin
|4 aut
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|a Saleh, Na'il
|e verfasserin
|4 aut
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| 700 |
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|a Elhabiri, Mourad
|e verfasserin
|4 aut
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| 700 |
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|a Weck, Marcus
|e verfasserin
|4 aut
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| 700 |
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|a Trabolsi, Ali
|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 32(2016), 28 vom: 19. Juli, Seite 7144-50
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:32
|g year:2016
|g number:28
|g day:19
|g month:07
|g pages:7144-50
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|u http://dx.doi.org/10.1021/acs.langmuir.6b01433
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