A coarse-grained model for a nanometer-scale molecular pump
AUTOR(ES)
Hod, Oded
FONTE
National Academy of Sciences
RESUMO
A theory for a nanometer-scale pump based on the ratchet concept is presented. A lattice gas model with a set of moves that satisfy hydrodynamic equations is used to describe an asymmetric nanometer channel connecting two reservoirs of fluid. The channel, which is coupled to an external oscillatory (or stochastic) driving force, pumps fluid from one reservoir to the other. The frequency of the external driving force, the fluid density, and the channel dimensions are used to control the fluid flow. We observe a nonmonotonic behavior of the flow with respect to some model parameters and discuss the efficiency of the device.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=299755Documentos Relacionados
- Coarse-grained microscopic model of glass formers
- Coarse-grained sequences for protein folding and design
- Coarse-grained stochastic processes for microscopic lattice systems
- Coarse-grained stochastic models for tropical convection and climate
- Allostery of actin filaments: Molecular dynamics simulations and coarse-grained analysis
