Acoustic droplet vaporization for therapeutic and diagnostic applications.

  title={Acoustic droplet vaporization for therapeutic and diagnostic applications.},
  author={O. D. Kripfgans and J. Brian Fowlkes and Douglas L. Miller and Odd Petter Eldevik and Paul L. Carson},
  journal={Ultrasound in medicine & biology},
  volume={26 7},
A phase shift droplet emulsion is introduced as an aid to unusual ultrasound (US) applications. The transpulmonary droplet emulsion (90% < 6 microm diameter) is made by mixing saline, bovine albumin and dodecafluoropentane. It has been observed that an acoustic pressure threshold exists, above which the droplets vaporize into bubbles approximately 25 times the original diameter. For frequencies between 1.5 and 8 MHz, the threshold decreases from 4.5 to 0.75 MPa peak rarefactional pressure. This… CONTINUE READING
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