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Updated: Aug 19, 2026

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
Published on: August 2, 2012
Macromolecular theory of solvation and structure in mixtures of colloids and polymers
1Department of Physics and Astronomy, The University of Edinburgh, JCMB King's Buildings, Mayfield Road, Edinburgh EH9 3JZ, United Kingdom.
Abstract:
The structural and thermodynamic properties of mixtures of colloidal spheres and nonadsorbing polymer chains are studied within a general two-component macromolecular liquid state approach applicable for all size asymmetry ratios. The dilute limits, when one of the components is at infinite dilution but the other concentrated, are presented and compared to field theory and to models that replace polymer coils with spheres. Whereas the derived analytical results compare well, qualitatively and quantitatively, with mean-field scaling laws where available, important differences from "effective sphere" approaches are found for large polymer sizes or semidilute concentrations.
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