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  Swimming droplets.

Maass, C. C., Krüger, C., Herminghaus, S., & Bahr, C. (2016). Swimming droplets. Annual Review of Condensed Matter Physics, 7, 171-193. doi:10.1146/annurev-conmatphys-031115-011517.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-38DA-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-38DB-D
Genre: Journal Article

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 Creators:
Maass, Corinna C.1, Author              
Krüger, Carsten2, Author              
Herminghaus, Stephan2, Author              
Bahr, Christian3, Author              
Affiliations:
1Group Active soft matter, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063307              
2Group Granular matter and irreversibility, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063306              
3Group Structure formation in soft matter, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063301              

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Free keywords: Self-propulsion; Microswimmers; Active emulsions; Marangoni stress
 Abstract: Swimming droplets are artificial microswimmers based on liquid droplets that show self-propelled motion when immersed in a second liquid. These systems are of tremendous interest as experimental models for the study of collective dynamics far from thermal equilibrium. For biological systems, such as bacterial colonies, plankton, or fish swarms, swimming droplets can provide a vital link between simulations and real life. We review the experimental systems and discuss the mechanisms of self-propulsion. Most systems are based on surfactant-stabilized droplets, the surfactant layer of which is modified in a way that leads to a steady Marangoni stress resulting in an autonomous motion of the droplet. The modification of the surfactant layer is caused either by the advection of a chemical reactant or by a solubilization process. Some types of swimming droplets possess a very simple design and long active periods, rendering them promising model systems for future studies of collective behavior.

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Language(s): eng - English
 Dates: 2015-12-112016-03
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Degree: -

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Title: Annual Review of Condensed Matter Physics
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 7 Sequence Number: - Start / End Page: 171 - 193 Identifier: -