P2A-3 High Frequency Attenuation and Size Distribution Measurements of Definity and Manipulated Definity Populations

@article{Goertz2006P2A3HF,
  title={P2A-3 High Frequency Attenuation and Size Distribution Measurements of Definity and Manipulated Definity Populations},
  author={D. Goertz and N. de Jong and A. V. D. van der Steen},
  journal={2006 IEEE Ultrasonics Symposium},
  year={2006},
  pages={1552-1555}
}
The contrast agent Definitytrade has recently been shown to have substantial nonlinear activity at high ultrasound frequencies (>10 MHz), which has been hypothesized to be associated with the presence of a significant subpopulation of smaller bubbles (<1-2 micrometers). In this study, we characterized the frequency dependant attenuation properties of Definitytrade and populations of Definitytrade that had been modified to preferentially isolate smaller bubbles through decantation or mechanical… Expand
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