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SUMMARY:Fabio Staniscia\, "Surfactant exchange kinetics at the air-water i
 nterface"
DTSTART:20261008T120000Z
DTEND:20261008T130000Z
DTSTAMP:20261005T165600Z
UID:indico-event-4179@indico.ijs.si
CONTACT:anze.bozic@ijs.si
DESCRIPTION:Surfactants continuously exchange between bulk solution and in
 terfaces. This process governs dynamic interfacial properties such as time
 -dependent surface tension\, foam stability\, and wetting. While equilibri
 um adsorption isotherms are routinely measured\, the underlying desorption
  kinetics remain difficult to access experimentally\, especially for fast-
 exchanging\, low-molecular-weight surfactants. Here we use molecular dynam
 ics simulations to quantify the residence times of short-chain alcohols at
  the air-water interface. We find that residence times increase exponentia
 lly with alkyl chain length and with surface coverage. Furthermore\, we sh
 ow that the residence time scales linearly with the adsorption coefficient
 \, linking equilibrium binding affinity to kinetic persistence.\n\nhttps:/
 /indico.ijs.si/event/4179/
LOCATION:C/2-X - F1 čajnica (Jamova)
URL:https://indico.ijs.si/event/4179/
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