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DTSTART;TZID=America/New_York:20230316T130000
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DTSTAMP:20260405T013445
CREATED:20230824T181630Z
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UID:10001504-1678971600-1678975200@cmsa.fas.harvard.edu
SUMMARY:Active chemical reactions in phase-separating systems
DESCRIPTION:Active Matter Seminar \n  \n\n\nSpeaker:  Jonathan Bauermann\, Max Planck Institute for the Physics of Complex Systems \n\n\n\nTitle: Active chemical reactions in phase-separating systems \nAbstract: Motivated by the existence of membrane-less compartments in the chemically active environment of living cells\, I will discuss the dynamics of droplets in the presence of active chemical reactions. Therefore\, I will first introduce the underlying interplay between phase separation and active reactions\, which can alter the droplet dynamics compared to equilibrium systems. A key feature of such systems is the emergence of concentration gradients even at steady states. In the second part of this talk\, I will discuss how these gradients can trigger instabilities in the core of chemically active droplets\, giving rise to a new non-equilibrium steady state of liquid spherical shells. Finally\, I will present experimental and theoretical results discussing the existence and energetic cost of this non-equilibrium steady state in a coacervate system.
URL:https://cmsa.fas.harvard.edu/event/am-31623/
LOCATION:Virtual
CATEGORIES:Active Matter Seminar
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