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Exploring A New Class Of Effective Interactions In Crowded Environment, Nicoletta Gnan, Nicolas Ariel Garcia, Emanuela Zaccarelli

Association in Solution IV

Colloidal suspensions are complex fluids involving many length and time scales. In order to make progress in their investigation, we often rely on coarse-grained models giving rise to effective potentials among colloidal particles, where some degrees of freedom can be traced out. In general, these amount to implicitly include the effect of the solvent and of co-solute small particles in a description for the large colloids only. By this route, it has been shown that effective forces can deeply modify the phase diagram of colloidal particles, starting with the pioneering case of depletion interactions [1]. More recently, colloidal effective interactions …