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DTSTART;TZID=America/New_York:20250422T101500
DTEND;TZID=America/New_York:20250422T114500
DTSTAMP:20260602T085826
CREATED:20250421T154457Z
LAST-MODIFIED:20250421T154457Z
UID:13986-1745316900-1745322300@seasevents.nmsdev7.com
SUMMARY:CBE Doctoral Dissertation Defense: "Designing Solvent-Based Order Parameters for Characterizing Binding of Surfaces with Different Hydrophobicity Using Molecular Dynamics Simulations" (Jun Lu)
DESCRIPTION:Abstract: \n\n\n\nLife is dependent on water: most self-assembly and binding processes of biomolecules take place in water. Water-mediated interactions are an essential driving force behind these processes\, which is largely affected by the hydrophobicity of the binding surfaces. As many biomolecular binding interfaces are amphiphilic\, the hydrophobic interactions are largely affected by polar and charged groups near hydrophobic binding domains. Therefore\, the study of interactions between hydrophobic surfaces and hydrophilic surfaces are of great importance. We find that on the two extremes: purely hydrophobic and hydrophilic systems\, traditional sampling approaches in molecular dynamics (MD) simulations become ineffective for different reasons. Here\, we study the binding of surfaces with different hydrophobicity using the MD approach with specifically designed solvent-based order parameters to control. By sensibly choosing order parameter sets from 1. Separation distance\, 2. Solvent coordinates\, and 3. Electrostatic energy to control\, sampling pathologies can be mostly solved and the thermodynamics of binding of surfaces with different hydrophobicity can be studied.
URL:https://seasevents.nmsdev7.com/event/cbe-doctoral-dissertation-defense-designing-solvent-based-order-parameters-for-characterizing-binding-of-surfaces-with-different-hydrophobicity-using-molecular-dynamics-simulations-jun-lu/
LOCATION:Greenberg Lounge (Room 114)\, Skirkanich Hall\, 210 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Doctoral,Student,Dissertation or Thesis Defense
ORGANIZER;CN="Chemical and Biomolecular Engineering":MAILTO:cbemail@seas.upenn.edu
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