Schematic sketch of the model.
Contribution of first three modes of WST model as a function of driving frequency. The Albunex® bubble is in radius.
Reduced scattering cross sections of Albunex® bubbles with radius (a) and (b) .
Attenuation coefficients in Definity® microbubble suspensions. The bubbles are identical in radii of (a) and (b) . The bubble concentrations are (a) and (b) .
Attenuation coefficients from models and measurements;
Primary acoustic radiation forces on the Albunex® bubble in water as a function of radius under a driving ultrasound pulse wave with peak negative pressure and central frequencies of (a) and (b) .
Reduced scattering cross sections of single Albunex® bubble as a function of driving frequency. The polytropic exponents are (a) 1.0 (left), (b) 1.1 (center), and (c) 1.4 (right).
Scattering cross sections of single Nycomed bubble as a function of normalized frequency.
Contour plot of normalized frequency.
Parameter values for aqueous suspensions of Albunex®, Definity®, and Nycomed bubbles. Listed values are given by Church (1995) except those noted in the footnotes.
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