Conformational Entropy of an Ideal Cross-Linking Polymer Chain
AbstractWe present a novel analytical method to calculate conformational entropy of ideal cross-linking polymers from the configuration integral by employing a Mayer series expansion. Mayer-functions describing chemical bonds within the chain and for cross-links are sharply peaked over the temperature range of interest, and, are well approximated as statistically weighted Dirac delta-functions that enforce distance constraints. All geometrical deformations consistent with a set of distance constraints are integrated over. Exact results for a contiguous series of connected loops are employed to substantiate the validity of a previous phenomenological distance constraint model that describes protein thermodynamics successfully based on network rigidity.
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Vorov, O.K.; Livesay, D.R.; Jacobs, D.J. Conformational Entropy of an Ideal Cross-Linking Polymer Chain. Entropy 2008, 10, 285-308.
Vorov OK, Livesay DR, Jacobs DJ. Conformational Entropy of an Ideal Cross-Linking Polymer Chain. Entropy. 2008; 10(3):285-308.Chicago/Turabian Style
Vorov, Oleg K.; Livesay, Dennis R.; Jacobs, Donald J. 2008. "Conformational Entropy of an Ideal Cross-Linking Polymer Chain." Entropy 10, no. 3: 285-308.