Abstract

The ultrasonic wave is an efficient powerful and reliable method for various investigations including those of solution dynamics, molecular interactions, miscibility and compatibility of protein in aqueous solution. Ultrasonic velocities and related acoustic parameters were calculated as a function of concentrations of albumin protein in water with a resonance method at frequencies of 3 MHz and 10 MHz. Viscosity (η) of aqueous protein solution was measured by suspended Ubelhold viscometer. The comparative result of ultrasonic velocities (u), density (p), relaxation time (τ), adiabatic compressibility (β) and acoustic impedance (z) were studied as a function of the concentrations. The mode of compatibility interaction and miscibility of albumin protein in water were investigated. It was found that the acoustic sound wave pertibuted at 3 MHz which explained the weak interaction of water molecule with the segmental motion of albumin protein chains. The interactions of the acoustic result of albumin protein may lead to the development of biomedical active molecules.

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