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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.0c02602
|2 doi
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|a pubmed24n1057.xml
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|a eng
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| 100 |
1 |
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|a Zhang, Hongguang
|e verfasserin
|4 aut
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| 245 |
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|a Inhibiting Ostwald Ripening by Scaffolding Droplets
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|c 2020
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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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|a Date Completed 24.11.2020
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|a Date Revised 24.11.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Nanoemulsions as colloidal dispersions of deformable nanodroplets promise wide range of applications in pharmaceuticals, cosmetics, and agriculture. The main limitation that reduces their industrial applications is stability, with Ostwald ripening acting as the main destabilization mechanism. Different from the conventional methods by functionalizing nanoemulsions with adequate ripening inhibitors, here we propose an alternative strategy to stabilize nanoemulsions by inhibiting Ostwald ripening. We report via Lattice Boltzmann method (LBM) and theoretical analysis that the evolution of droplets can be manipulated with the help of solid substrates, either along or against the direction of Ostwald ripening. It turns out that through pinning contact line of sessile droplets, heterogeneous substrates or solid nanoparticles can behave as a scaffold to suppress Ostwald ripening, to regulate droplet morphology and to enhance droplet stability. The identical curvature and unexpected stability of scaffolding droplets are then interpreted with free energy analysis. In addition, by simulating substrates with various heterogeneities and solid particles of different shapes, we demonstrate that it is a common phenomenon that scaffolding droplets can evolve beyond Ostwald ripening
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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1 |
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|a Chen, Shan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Bo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xianren
|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 36(2020), 45 vom: 17. Nov., Seite 13682-13688
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:36
|g year:2020
|g number:45
|g day:17
|g month:11
|g pages:13682-13688
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|u http://dx.doi.org/10.1021/acs.langmuir.0c02602
|3 Volltext
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