Electrostatic interaction of soft particles

• Electrostatic interaction of soft particles before and after contact is discussed.
• Electrostatic interaction of soft particles in a salt-free medium is discussed.
• Discrete-charge effect on interaction of soft particles is discussed.

Theories of the electrostatic interaction between two soft particles (i.e., particles covered with an ion-penetrable surface layer of polyelectrolytes) in an electrolyte solution are reviewed. Interactions of soft particles after contact of their surface layers are particularly discussed. Interaction in a salt-free medium and the discrete-charge effect are also treated.

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