Long-range membrane processes
A cell membrane is in constant motion. The undulating fluid bilayer, aside from its unique role in cell compartmentalization, is home to an assortment of biological molecules.  Many of these molecules, such as channels and transport proteins, add another layer of sophistication to simple filtering mechanisms of the bilayer. Other trans-membrane proteins transmit signals across the membrane, while carbohydrates attached to the cytosolic side of the bilayer aid in cell-cell recognition.  Such cellular processes all depend on the behavior of the membrane.  We are currently developing algorithms to study the role of membrane fluctuations in various biological processes on mesoscopic and macroscopic time scales. 

Solvent-free particle based
model

Continuous model using Fourier space Brownian dynamics

Single Molecule Spectroscopy
The advent of single molecule spectroscopic techniques has led to the experimental study of condensed phase systems with previously unimaginable precision. We are developing theoretical and computational tools for the interpretation of single molecule experiments. more...