ArticleBiophysical journal2004
Coupling field theory with mesoscopic dynamical simulations of multicomponent lipid bilayers.
Article in Biophysical journal, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 55 citations in OpenAlex.
- A Review of Mechanics-Based Mesoscopic Membrane Remodeling Methods: Capturing Both the Physics and the Chemical Diversity.The Journal of membrane biology · 2022Review
- Nonaxisymmetric Shapes of Biological Membranes from Locally Induced Curvature.Biophysical journal · 2020Article
- Biophysics of membrane curvature remodeling at molecular and mesoscopic lengthscales.Journal of physics. Condensed matter : an Institute of Physics journal · 2018Article
- The mesoscopic membrane with proteins (MesM-P) model.The Journal of chemical physics · 2017Article
- CURVATURE-DRIVEN MOLECULAR FLOW ON MEMBRANE SURFACE.SIAM journal on applied mathematics · 2017Article
- Multiscale simulations of protein-facilitated membrane remodeling.Journal of structural biology · 2016Review
- Protein-mediated transformation of lipid vesicles into tubular networks.Biophysical journal · 2013Article
- Enhanced Lipid Diffusion and Mixing in Accelerated Molecular Dynamics.Journal of chemical theory and computation · 2011Article
- Reconstructing protein remodeled membranes in molecular detail from mesoscopic models.Physical chemistry chemical physics : PCCP · 2011Article
- Multiscale simulation of protein mediated membrane remodeling.Seminars in cell & developmental biology · 2010Review
- Dynamics of multicomponent vesicles in a viscous fluid.Journal of computational physics · 2010Article
- New insights into BAR domain-induced membrane remodeling.Biophysical journal · 2009Article
- Phase-field modeling of the dynamics of multicomponent vesicles: Spinodal decomposition, coarsening, budding, and fission.Physical review. E, Statistical, nonlinear, and soft matter physics · 2009Article
- Multiscale simulations of heterogeneous model membranes.Biochimica et biophysica acta · 2009Review
- Modelling and simulations of multi-component lipid membranes and open membranes via diffuse interface approaches.Journal of mathematical biology · 2008Article
- Membrane remodeling from N-BAR domain interactions: insights from multi-scale simulation.Biophysical journal · 2007Article
- Implicit solvent simulation models for biomembranes.European biophysics journal : EBJ · 2006Review
- Multi-scale modeling of phase separation in mixed lipid bilayers.Biophysical journal · 2005Article
- Coupling field theory with continuum mechanics: a simulation of domain formation in giant unilamellar vesicles.Biophysical journal · 2005Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
A method for simulating a two-component lipid bilayer membrane in the mesoscopic regime is presented. The membrane is modeled as an elastic network of bonded points; the spring constants of these bonds are parameterized by the microscopic bulk modulus estimated from earlier atomistic nonequilibrium molecular dynamics simulations for several bilayer mixtures of DMPC and cholesterol. The modulus depends on the composition of a point in the elastic membrane model. The dynamics of the composition field is governed by the Cahn-Hilliard equation where a free energy functional models the coupling between the composition and curvature fields. The strength of the bonds in the elastic network are then modulated noting local changes in the composition and using a fit to the nonequilibrium molecular dynamics simulation data. Estimates for the magnitude and sign of the coupling parameter in the free energy model are made treating the bending modulus as a function of composition. A procedure for assigning the remaining parameters in the free energy model is also outlined. It is found that the square of the mean curvature averaged over the entire simulation box is enhanced if the strength of the bonds in the elastic network are modulated in response to local changes in the composition field. We suggest that this simulation method could also be used to determine if phase coexistence affects the stress response of the membrane to uniform dilations in area. This response, measured in the mesoscopic regime, is already known to be conditioned or renormalized by thermal undulations.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.