Exact enumeration of all conformations of a heteropolymer chain in a prescribed, non-compact volume

Mai, J.; Sokolov, I. M.
May 1997
Journal of Chemical Physics;5/8/1997, Vol. 106 Issue 18, p7829
Academic Journal
Discusses the exact enumeration of all conformations of a heteropolymer chain in a prescribed, non-compact volume. Thermodynamic properties of simple exact models; Limitations and possible generalizations of the random energy model (REM); Results of the enumeration procedure and the distribution of energy levels.


Related Articles

  • Thermodynamics of the coil to frozen globule transition in heteropolymers. Pande, Vijay S.; Grosberg, Alexander Yu. // Journal of Chemical Physics;10/1/1997, Vol. 107 Issue 13, p5118 

    Presents a simple analytic theory to describe the thermodynamics of the coil to frozen globule transition in heteropolymers. Globule collapse in heteropolymers; Computer simulation of the exhaustive enumeration of all eighteen-mer cubic lattice polymer conformations; Relevance to protein folding.

  • Theory for the chi parameter of polymer blends: Effect of attractive interactions. Curro, John G.; Schweizer, Kenneth S. // Journal of Chemical Physics;6/1/1988, Vol. 88 Issue 11, p7242 

    Using an integral equation theory for polymer blends, we have calculated the effective chi parameter for a binary blend of Gaussian polymers interacting with identical hard core repulsive and dissimiliar attractive interactions between chain segments. Our results predict a parabolic composition...

  • Contribution to the statistical theory of solutions of polymers in a critical solvent. Erukhimovich, I. Ya. // Journal of Experimental & Theoretical Physics;Sep98, Vol. 87 Issue 3, p494 

    The thermodynamics of high polymers in equilibrium with a low-molecular solvent with a large correlation radius (super- and near-critical solvent) is studied. Special attention is devoted to the analysis of typical phase diagrams describing the conditions of solubility of a polymer in such a...

  • Multiple formation of microcracks during mechanical loading of polymers. Gladkov, S. O.; Nikol’skiı, V. G. // Technical Physics Letters;Dec97, Vol. 23 Issue 12, p980 

    General kinetic and thermodynamic reasoning is used to propose a new mechanism for multiple crack formation caused by a mechanical action on a polymer. It is shown that the role of information "carrier" to "weak" (in terms of thermodynamic stability) spots localized in the polymer matrix is...

  • Integral equation theory of polymer blends: Numerical investigation of molecular closure approximations. Yethiraj, Arun; Schweizer, Kenneth S. // Journal of Chemical Physics;6/1/1993, Vol. 98 Issue 11, p9080 

    The thermodynamics of symmetric polymer blends is investigated using the polymer reference interaction site model integral equation theory with the new molecular closures presented in the previous paper. In contrast to the atomic mean spherical approximation reported earlier by Schweizer and...

  • Thermodynamics of polymer solutions. Muthukumar, M. // Journal of Chemical Physics;10/15/1986, Vol. 85 Issue 8, p4722 

    The free energy of a polmyer solution is derived by a consideration of the monomer density fluctuations and incorporating three-body interactions. Explicit interpolation formulas are obtained for the concentration dependence of the correlation length for arbitrary strengths of two- and...

  • Concentration dependent translational friction coefficient of cyclic polymers in dilute solutions. Alessandrini, Jose Luis; Fatur, Alejandro // Journal of Chemical Physics;10/1/1988, Vol. 89 Issue 7, p4424 

    The leading concentration dependence of the translational friction coefficient of long cyclic polymers is evaluated in the framework of the cluster expansion method. It is found that excellent agreement is achieved with recent quasielastic light scattering experiments on linear and cyclic...

  • Association of nonionic polymers with micelles, bilayers, and microemulsions. Nagarajan, R. // Journal of Chemical Physics;2/1/1989, Vol. 90 Issue 3, p1980 

    A unified thermodynamic theory is developed here to explore the nature of association of nonionic polymer molecules with surfactant aggregates such as globular micelles, rod-like micelles, bilayers, oil in water microemulsions, and water in oil microemulsions. The association complex is...

  • Monte Carlo simulations of symmetric polymer blends. II. Chain properties in interface regions.... Olaj, Oskar Freidrich; Petrik, Thomas // Journal of Chemical Physics;5/15/1998, Vol. 108 Issue 19, p8226 

    Part II. Investigates the influence of different thermodynamic conditions on mass segregation and global structure of homopolymers. Enrichment of shorter chains at the interface; Relationship between the compression of the coils at the interface and observed orientation and deformation...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics