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期刊论文

Neutron Scattering Study of Depletion Interactions in a Colloid-Polymer Mixture

叶曦X. Ye T. Narayanan and P. Tong* J. S. Huang

VOLUME 76, NUMBER 24 PHY S I CAL REV I EW LETTERS 10 JUNE 1996,-0001,():

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摘要/描述

We report a neutron scattering study of depletion interactions in a mixture of colloid andnonadsorbing polymer. It is found that the measured colloidal structure factor can be well describedby an effective interaction potential for the polymer-induced depletion attraction between the colloidalparticles. The amplitude of the attraction is found to increase linearly with the polymer concentrationbut it levels off at higher polymer concentrations.

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