Giuseppe Foffi

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Related publications (27)

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New insight into cataract formation: Enhanced stability through mutual attraction

Nicolas Dorsaz, Giuseppe Foffi

Small-angle neutron scattering experiments and molecular dynamics simulations combined with an application of concepts from soft matter physics to complex protein mixtures provide new insight into the stability of eye lens protein mixtures. Exploring this ...

2007

Configurational entropy of hard spheres

Giuseppe Foffi

We numerically calculate the configurational entropy Sconf of a binary mixture of hard spheres, by using a perturbed Hamiltonian method trapping the system inside a given state, which requires fewer assumptions than the previous methods (Speedy 1998 Mol.Ph ...

2007

On the possibility of extending the Noro-Frenkel generalized law of correspondent states to nonisotropic patchy interactions

Giuseppe Foffi, Francesco Sciortino

Colloidal systems (and protein solutions) are often characterized by attractive interactions whose ranges are much smaller than the particle size. When this is the case and the interaction is spherical, systems obey a generalized law of correspondent state ...

2007

Extended law of corresponding states in short-range square wells: A potential energy landscape study

Giuseppe Foffi, Francesco Sciortino

We study the statistical properties of the potential energy landscape of a system of particles interacting via a very short-range square-well potential (of depth - u0) as a function of the range of attraction Δ to provide thermodynamic insights of the Noro ...

2006

Scaling of dynamics with the range of interaction in short-range attractive colloids

Giuseppe Foffi, Francesco Sciortino

We numerically study the dependence of the dynamics on the range of interaction Δ for the short-range square well potential. We find that, for small Δ, dynamics scale exactly in the same way as thermodynamics, both for Newtonian and Brownian microscopic dy ...

2005

Diffusivity and configurational entropy maxima in short range attractive colloids

Giuseppe Foffi, Francesco Sciortino

We study tagged particle diffusion at large packing fractions, for a model of particles interacting with a generalized Lennard-Jones 2n-n potential, with large n. The resulting short range potential mimics interactions in colloidal systems. In agreement wi ...

2005

Arrested phase separation in a short-ranged attractive colloidal system: A numerical study

Giuseppe Foffi, Francesco Sciortino

We numerically investigate the competition between phase separation and dynamical arrest in a colloidal system interacting via a short-ranged attractive potential. Equilibrium fluid configurations are quenched at two different temperatures below the critic ...

2005

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On the possibility of extending the Noro-Frenkel generalized law of correspondent states to nonisotropic patchy interactions

Giuseppe Foffi, Francesco Sciortino

2007