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  • Title: Some considerations on the transport properties of water-glycerol suspensions.
    Author: Mallamace F, Corsaro C, Mallamace D, Vasi S, Vasi C, Stanley HE.
    Journal: J Chem Phys; 2016 Jan 07; 144(1):014501. PubMed ID: 26747809.
    Abstract:
    We study the self-diffusion coefficient and viscosity of a water-glycerol mixture for several glycerol molar fractions as a function of temperature well inside the metastable supercooled regime. We perform NMR experiments and verify that the system has at different concentration a fragile-to-strong crossover accompanied by the violation of the Stokes-Einstein relation. We observe that the crossover temperature depends on the water amount. Studying the fractional representation of the Stokes-Einstein relation, we find that in these systems dynamical arrest does not exhibit criticality and the transport parameters have a universal behavior.
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