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Rheological properties of chitosan hydrogel formulations: (a) dynamic viscoelastic moduli G′ (filled symbols) and G″ (open symbols) dependence on angular frequency at constant temperature of 35 °C and γ of 10%; (b) complex viscosity (η*) as a function of angular frequency (35 °C and γ = 10%); (c) temperature influence on the viscosity of hydrogel formulations; (d) Arrhenius fitting of the experimental data.
