Poly(vinyl alcohol) cryogel phantoms for use in ultrasound and MR imaging.

  title={Poly(vinyl alcohol) cryogel phantoms for use in ultrasound and MR imaging.},
  author={Kathleen J. M. Surry and Harriet B Austin and Aaron Fenster and Terry M. Peters},
  journal={Physics in medicine and biology},
  volume={49 24},
Poly(vinyl alcohol) cryogel, PVA-C, is presented as a tissue-mimicking material, suitable for application in magnetic resonance (MR) imaging and ultrasound imaging. A 10% by weight poly(vinyl alcohol) in water solution was used to form PVA-C, which is solidified through a freeze-thaw process. The number of freeze-thaw cycles affects the properties of the material. The ultrasound and MR imaging characteristics were investigated using cylindrical samples of PVA-C. The speed of sound was found to… CONTINUE READING
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