Abstract
In this work, we study the transport of surfactant molecules to the surface of an oscillating microbubble when an acoustic pressure is used as driving force to promote the nonlinear oscillation. We consider a dynamic surface tension as a function of the surfactant concentration and a large diffusive P\'eclet number, as occurs in several applications. The surfactant concentration equation is solvable by using a similarity transformation which simplifies the problem, whereas the equation for the radius evolution is solved by the 4th order Runge-Kutta method.
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