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Many-body depletion interactions among protein spheres in a semidilute polymer solution
1997
Journal of Chemical Physics
The polymer segment distribution is shown to obey the Laplace equation for a suspension of small protein spheres and semidilute polymer. The depletion interaction is computed at all protein concentrations by introducing void distributions. Within a linear response Ansatz for the solution to the Laplace equation, the average depletion energy depends on two-and three-point void ͑-surface͒ correlation functions. It is concluded that depletion correlations of long range do not appear at high protein concentrations.
doi:10.1063/1.473069
fatcat:2kbpp6sny5aupmwh2afdzhfte4