The osmotic bulk modulus of a colloid crystal of infinite rod-like molecules

Raymond J. Hawkins, Robert A. Aldoroty

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

A general expression for the osmotic bulk modulus and its pressure derivative of a colloid crystal of infinite rod-like molecules is derived. This result is based on an exact solution of the Poisson-Boltzmann equation within a Wigner-Scitz cylinder and a recently derived expression relating the osmotic bulk modulus to the counterion density at the edge of the Wigner-Scitz cylinder. The osmotic bulk modulus and its pressure derivative of the myosin-rod lattice found in striated muscle are calculated and found to be in good agreement with experiment.

Original languageEnglish
Pages (from-to)83-85
Number of pages3
JournalChemical Physics Letters
Volume137
Issue number1
DOIs
StatePublished - 29 May 1987

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