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SUMMARY:Dielectric Boundary in Biomolecular Solvation - Li\, B (University
  of California\, San Diego)
DTSTART:20140624T095000Z
DTEND:20140624T102000Z
UID:TALK53136@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:A dielectric boundary in a biomolecular system is a solute-sol
 vent (e.g.\, protein-water) interface that defines the dielectric coeffici
 ent to be one value in the solute region and another in solvent. The inhom
 ogeneous dielectric medium gives rise to an effective dielectric boundary 
 force that is crucial to the biomolecular conformation and dynamics. This 
 lecture presents a precise definition and explicit formula of the dielectr
 ic boundary force based on the classical Poisson-Boltzmann theory of elect
 rostatic interactions. These results are used to study the motion of a cyl
 indrical dielectric boundary driven by the competition between the surface
  tension\, dielectric boundary force\, and solvent viscous force. Implicat
 ions of the mathematical findings to biomolecular conformational stabiliti
 es are discussed.\n
LOCATION:Seminar Room 1\, Newton Institute
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