نتایج جستجو برای: free energy solvation
تعداد نتایج: 1134081 فیلتر نتایج به سال:
In the present work, several computational methodologies were combined to develop a model for the prediction of PDE4B inhibitors' activity. The adequacy of applying the ligand docking approach, keeping the enzyme rigid, to the study of a series of PDE4 inhibitors was confirmed by a previous molecular dynamics analysis of the complete enzyme. An exhaustive docking procedure was performed to iden...
The free-energy landscape of a small protein, the FBP 28 WW domain, has been explored using molecular dynamics (MD) simulations with alternative descriptions of the molecule. The molecular models used range from coarse-grained to all-atom with either an implicit or explicit treatment of the solvent. Sampling of conformation space was performed using both conventional and temperature-replica exc...
We have developed a general predictive method for vapor pressures and enthalpies of vaporization based on the calculation of the solvation free energy that consists of three components; the electrostatic, dispersion, and cavity formation contributions. The electrostatic contribution is determined using the quantum mechanical COSMO solvation model. Thermodynamic perturbation theory for hard-core...
Z. Naturforsch. 54 b, 193-199 (1999); received September 23, 1998 Solvation Structure, EXAFS, ab initio Molecular Orbital Method, Copper(I) Ion The structure parameters around the Cu(I) ion in pyridine (PY), 4-methylpyridine (4MPY), 2-methylpyridine (2MPY), 2,6-dimethylpyridine (26DMPY), and acetonitrile (AN) were de termined by the extended X-ray absorption fine structure (EXAFS) method. The ...
We propose a predictive Density Functional Theory (DFT) for the calculation of solvation free energies. Our approach is based on Helmholtz free-energy functional that consistent with perturbed-chain SAFT (PC-SAFT) equation state. This allows coarse-grained description solvent, an inhomogeneous density PC-SAFT segments. The solute, other hand, described in full detail by atomistic Lennard-Jones ...
Molecular dynamics simulations enable access to free energy differences governing the driving force underlying all biological processes. In the current chapter we describe alchemical methods allowing the calculation of relative free energy differences. We concentrate on the binding free energies that can be obtained using non-equilibrium approaches based on the Crooks Fluctuation Theorem. Toget...
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