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  • Title: Rheological properties of ovalbumin hydrogels as affected by surfactants addition.
    Author: Hassan N, Messina PV, Dodero VI, Ruso JM.
    Journal: Int J Biol Macromol; 2011 Apr 01; 48(3):495-500. PubMed ID: 21262258.
    Abstract:
    The gel properties of ovalbumin mixtures with three different surfactants (sodium perfluorooctanoate, sodium octanoate and sodium dodecanoate) have been studied by rheological techniques. The gel elasticities were determined as a function of surfactant concentration and surfactant type. The fractal dimension of the formed structures was evaluated from plots of storage modulus against surfactant concentration. The role of electrostatic, hydrophobic and disulfide SS interactions in these systems has been demonstrated to be the predominant. The viscosity of these structures tends to increase with surfactant concentration, except for the fluorinated one. Unfolded ovalbumin molecules tend to form fibrillar structures that tend to increase with surfactant concentration, except for the fluorinated one. This fact has been related to the particular nature of this molecule.
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