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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.2c02597
|2 doi
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|a pubmed24n1180.xml
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|a eng
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|a Bittermann, Marius R
|e verfasserin
|4 aut
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|a Surface-Mediated Molecular Transport of a Lipophilic Fluorescent Probe in Polydisperse Oil-in-Water Emulsions
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 28.03.2023
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|a Date Revised 01.04.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Emulsions often act as carriers for water-insoluble solutes that are delivered to a specific target. The molecular transport of solutes in emulsions can be facilitated by surfactants and is often limited by diffusion through the continuous phase. We here investigate this transport on a molecular scale by using a lipophilic molecular rotor as a proxy for solutes. Using fluorescence lifetime microscopy we track the transport of these molecules from the continuous phase toward the dispersed phase in polydisperse oil-in-water emulsions. We show that this transport comprises two time scales, which vary significantly with droplet size and surfactant concentration, and, depending on the type of surfactant used, can be limited either by transport across the oil-water interface or by diffusion through the continuous phase. By studying the time-resolved fluorescence of the fluorophore, accompanied by molecular dynamics simulations, we demonstrate how the rate of transport observed on a macroscopic scale can be explained in terms of the local environment that the probe molecules are exposed to
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|a Journal Article
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|a Morozova, Tatiana I
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Velandia, Santiago F
|e verfasserin
|4 aut
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|a Mirzahossein, Elham
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Deblais, Antoine
|e verfasserin
|4 aut
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|a Woutersen, Sander
|e verfasserin
|4 aut
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|a Bonn, Daniel
|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 1999
|g 39(2023), 12 vom: 28. März, Seite 4207-4215
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:39
|g year:2023
|g number:12
|g day:28
|g month:03
|g pages:4207-4215
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|u http://dx.doi.org/10.1021/acs.langmuir.2c02597
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