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Scheme showing microbubble behavior in acoustic fields.
Notes: At very low intensity, ultrasound induces linear oscillation of the microbubble. At low intensity, ultrasound induces oscillation of the microbubble with a gradual increase in microbubble diameter until it reaches a resonant diameter, at which point stable oscillation occurs. At high intensity, ultrasound causes a rapid increase in the diameter of the microbubble for a few cycles, which induces bubble disruption.
