Hiromi Yamakawa Modern Theory of Polymer Solutions
نویسندگان
چکیده
منابع مشابه
Modeling the Transport and Volumetric Properties of Solutions Containing Polymer and Electrolyte with New Model
A new theoretical model based on the local composition concept (TNRF-mNRTL model) was proposed to express the short-range contribution of the excess Gibbs energy for the solutions containing polymer and electrolyte. This contribution of interaction along with the long-range contribution of interaction (Pitzer-Debye-Hückel equation), configurational entropy of mixing (Flory-Huggins relation)...
متن کاملModeling the Thermodynamic Properties of Solutions Containing Polymer and Electrolyte with New Local Composition Model
A new theory model based on the local composition concept (TNRF-modified NRTL (TNRF-mNRTL) model) was developed to express the short-range contribution of the excess Gibbs energy for the solutions containing polymer and electrolyte. An equation represented the activity coefficient of solvent was derived from the proposed excess Gibbs energy equation. The short-range contribution of interaction ...
متن کاملStatistics and Dynamics of Stiff Chains
A statistical-mechanical theory of linear elastic polymer chains under constant external force and torque is developed. The general theory takes into account bending, twisting, shearing, and stretching deformations. The theory is found to contain the Kratky-Porod wormlike chain and the Yamakawa-Fujii helical wormlike chain as special cases. A path integral form of the Green's function defined i...
متن کاملContributions of short-range and excluded-volume interactions to unperturbed polymer chain dimensions.
A Monte Carlo study is made of the mean-square radius of gyration for the freely rotating chain with such fictitious excluded-volume interactions that the Lennard-Jones 6-12 potentials at the Theta temperature act only between the fourth-through (3+Delta)th-neighbor beads (Delta > or = 1) along the chain. The behavior of the asymptotic value (/n)infinity of the ratio /n as a functi...
متن کاملA Generalized Theory of DNA Looping and Cyclization
We have developed a generalized semi-analytic approach for efficiently computing cyclization and looping J factors of DNA under arbitrary binding constraints. Many biological systems involving DNA-protein interactions impose precise boundary conditions on DNA, which necessitates a treatment beyond the Shimada-Yamakawa model for ring cyclization. Our model allows for DNA to be treated as a heter...
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تاریخ انتشار 2001