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A phantom feasibility study of acoustic enhanced drug perfusion in neurological tissue

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2 Author(s)
Lewis, G.K. ; Cornell Univ., Ithaca ; Olbricht, W.

To test the feasibility of using 1.1 MHz focused ultrasound to increase the perfusion of drug through neurological tissue, tissue mimicking agar phantoms and a water soluble dye mimicking drug were exposed to 1.1 MHz ultrasonic sound fields for 1 to 4 minutes in duration. Histology was then performed on the phantoms to assess the effect of ultrasound on the perfusion of drug. Mathematical analysis was used to quantify the extent of perfusion of dye and parametrically fit the experimental data to the theoretical diffusion equation. Results show a substantial increase in drug perfusion and not diffusion like behavior for the sonicated phantoms.

Published in:

Life Science Systems and Applications Workshop, 2007. LISA 2007. IEEE/NIH

Date of Conference:

8-9 Nov. 2007