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SUMMARY:Structured Water and Surface Potential at Charged Dielectric Inter
 faces
DTSTART:20260413T100000
DTEND:20260413T110000
DTSTAMP:20260410T092829Z
UID:e4b9c1c070254efc5f49dca22436d393d3da38ae8d8cbe299315c85a
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dennis Hore\, Ph.D\, Departments of Chemistry and Computer Sci
 ence\, University of Victoria\, Canada\nBIOENGINEERING SEMINAR\n\nAbstract
 :\nThe interaction of molecules with natural and synthetic aqueous surface
 s is a fundamental aspect of environment science\, biology\, and biomedica
 l engineering. There is increasing evidence that the unique water structur
 e and hydrogen bonding environment within the first nanometer of the surfa
 ce may be largely responsible for driving those interactions. That microsc
 opic region is also influenced by electrostatic interactions\, even though
  the origin of the surface charge is not always clear. A further complicat
 ion is that the water structure may be substantially different in the Ster
 n and diffuse regions of the electrical double layer\, thereby requiring n
 anoscale probes. While recent advances in plasmonics-based methods (such S
 ERS\, SHINERS or SEIRAS) have pushed the capabilities for detection of nan
 o-structured water at metal surfaces\, there are comparatively fewer metho
 ds suitable for the investigation of dielectric materials. This presentati
 on will illustrate how our recently-developed angle-scanning nonlinear opt
 ical spectroscopy has the ability to offer a unique probe of interfacial w
 ater structure.\n\nBio:\nDennis Hore is a Professor in the Departments of 
 Chemistry and Computer Science at the University of Victoria\, Canada. He 
 has two research groups: one develops nonlinear optical techniques for stu
 dying molecular structure at solid-liquid interfaces - https://web.uvic.ca
 /~dkhore/. The other engages in community-based harm reduction\, determini
 ng the composition and concentration of illicit drug mixtures for people w
 ho use drugs - https://substance.uvic.ca/.\n\n 
LOCATION:BM 5202 https://plan.epfl.ch/?room==BM%205202 https://epfl.zoom.u
 s/j/65758263665
STATUS:CONFIRMED
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