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Sedimentation coefficient and intrinsic viscosity of semiflexible chains
Author(s) -
Noda Ichiro
Publication year - 1974
Publication title -
biopolymers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.556
H-Index - 125
eISSN - 1097-0282
pISSN - 0006-3525
DOI - 10.1002/bip.1974.360130311
Subject(s) - intrinsic viscosity , sedimentation coefficient , chemistry , viscosity , sedimentation , thermodynamics , excluded volume , physics , polymer , geology , organic chemistry , paleontology , sediment , enzyme
Published theoretical equations for the sedimentation coefficient and intrinsic viscosity of a semiflexible chain are compared, neglecting the excluded volume effect. The theories are extended to the case of a small excluded volume, by applying the perturbation theory, established for flexible chains, to a semiflexible chain. Using the derived equation, the experimental results for the sedimentation coefficient and intrinsic viscosity of DNA and cellulose trinitrate are analyzed.