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SUMMARY:Charging of neutral solutes in water - Douwe Jan Bonthuis  (Freie 
 Universität Berlin\; Graz University of Technology)
DTSTART:20190517T101000Z
DTEND:20190517T105000Z
UID:TALK124681@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:Owing to the small length scales involved\, aqueous interfaces
  dominate the properties of colloidal materials suspended in water. Surfac
 e charges\, in particular\, control the stability of colloidal suspensions
  and the self-assembly and organization of nanoparticles. Apart from charg
 ing by surface groups\, ions and protons adsorb at the surfaces of colloid
 s\, lipid membranes and biological molecules\, affecting their electrostat
 ic and hydrodynamic interactions.<br> <br> We study the interfacial struct
 ure of the aqueous interfaces of oil droplets\, air bubbles and solid surf
 aces. A combination of analytical work\, molecular dynamics simulations an
 d continuum theory allows for direct comparison to experimental results fo
 r surface tensions\, conductivities and electrokinetic mobilities.
LOCATION:Seminar Room 1\, Newton Institute
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