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Herminghaus, S., Maass, C.C., Krüger, C., Thutupalli, S., Goehring, L. 
ORCID: 0000-0002-3858-7295 and Bahr, C.,
2014.
Interfacial mechanisms in active emulsions.
Soft Matter, 10 (36), pp. 7008-7022.
ISSN 1744-683X
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Abstract
Active emulsions, i.e., emulsions whose droplets perform self-propelled motion, are of tremendous interest for mimicking collective phenomena in biological populations such as phytoplankton and bacterial colonies, but also for experimentally studying rheology, pattern formation, and phase transitions in systems far from thermal equilibrium. For fuelling such systems, molecular processes involving the surfactants which stabilize the emulsions are a straightforward concept. We outline and compare two different types of reactions, one which chemically modifies the surfactant molecules, the other which transfers them into a different colloidal state. While in the first case symmetry breaking follows a standard linear instability, the second case turns out to be more complex. Depending on the dissolution pathway, there is either an intrinsically nonlinear instability, or no symmetry breaking at all (and hence no locomotion).
| Item Type: | Journal article | ||||
|---|---|---|---|---|---|
| Publication Title: | Soft Matter | ||||
| Creators: | Herminghaus, S., Maass, C.C., Krüger, C., Thutupalli, S., Goehring, L. and Bahr, C. | ||||
| Publisher: | Royal Society of Chemistry | ||||
| Date: | 2014 | ||||
| Volume: | 10 | ||||
| Number: | 36 | ||||
| ISSN: | 1744-683X | ||||
| Identifiers: |
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| Divisions: | Schools > School of Science and Technology | ||||
| Record created by: | Linda Sullivan | ||||
| Date Added: | 05 Sep 2016 13:34 | ||||
| Last Modified: | 09 Jun 2017 14:05 | ||||
| URI: | https://irep.ntu.ac.uk/id/eprint/28387 |
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