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Computer Simulations Of Ions, Dipoles, Dna Elasticity And Interfaces, Jayendran Rasaiah
Computer Simulations Of Ions, Dipoles, Dna Elasticity And Interfaces, Jayendran Rasaiah
University of Maine Office of Research Administration: Grant Reports
Jay Rasaiah of the University of Maine is supported by a grant from the Theoretical and Computational Chemistry Program to continue his research on condensed phase fluid systems. Proposed research focuses on four topics: 1) ionic mobility and association, water structure and dynamics in supercritical solutions; 2) phase transitions of polar fluids; 3) intrinsic elasticity of DNA; and 4) structure and dynamics of water and ions in contact with hydrophobic surfaces and electrodes. Rasaiah will use a combination of molecular simulations and formal theory to attack these problems. Computer simulations involving water will use an extended SPC/E model that includes …
Sger: Supercritical Levitation Polymerization And Processing, Erdogan Kiran
Sger: Supercritical Levitation Polymerization And Processing, Erdogan Kiran
University of Maine Office of Research Administration: Grant Reports
In supercritical polymerization processes, polymer chains grow to molecular weights determined by their solubility under the prevailing density (or pressure and temperature) conditions of the solvent. Further growth in the chain length results in phase separation and leads to precipitation. In this project, polymerizations will be conducted under isopycnic conditions by adjusting the density of the solvent environment to be identical to the density of the polymer formed. This iso- density operation is expected to insure levitation by buoyancy and prevent precipitation of the phase-separated polymer. Density adjustments are readily achievable for supercritical solvents through manipulation of either the pressure …