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Fragilty

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https://www.readbyqxmd.com/read/22526977/glass-kohlrausch-exponent-fragility-anharmonicity
#1
J Rault
The thermodynamical and mechanical properties of (fragile and strong) glass are modeled based on a generalised activation energy relationship log( τ ) = ΔG ( β )/RTn(T') process of glass-forming liquids. This cooperative process involves 1/n(T') elementary β motions of activation Gibbs energy ΔG ( β ) dependent on the equivalent temperature T', the temperature of the liquid in equilibrium having the volume of the glass, function of temperature and aging conditions. From this modified VFT law the relaxation of any properties (V , H , stress, creep) can be calculated and approximated by the Kohlrausch function...
April 2012: European Physical Journal. E, Soft Matter
https://www.readbyqxmd.com/read/11979503/effect-of-vitamin-c-and-zinc-on-osmotic-fragility-and-lipid-peroxidation-in-zinc-deficient-haemodialysis-patients
#2
RANDOMIZED CONTROLLED TRIAL
Ferda Candan, Füsun Gültekin, Ferhan Candan
Peroxidation of the membrane lipid structure of red blood cell leads to haemolysis and anaemia in haemodialysis patients. Dietary constituents of antioxidant vitamins and trace elements may play an important role in protecting against oxidant damage. In this study, the effects of supplementation of vitamin C and zinc on osmotic fragility and lipid peroxidation of erythrocytes were investigated in 34 zinc-deficient haemodialysis patients. Sixteen sex- and age-matched normal volunteers acted as controls. Patients were randomized to receive vitamin C (250 mg day(-1)), zinc (20 mg day(-1)) or a placebo treatment for 3 months...
June 2002: Cell Biochemistry and Function
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