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28 J. B. Freund, “Suppression of shocked-bubble expansion due to tis- sue confinement with application to shock-wave lithotripsy,” J. Acoust. Soc. Am. 123(5), 2867–2874 (2008).
29 H. Miao, S. M. Gracewski, and D. Dalecki, “Ultrasonic excitation of a bubble inside a deformable tube: Implications for ultrasonical- ly induced hemorrhage,” J. Acoust. Soc. Am. 124(4), 2374–2384 (2008).
30 T. Hay, Y. Ilinskii, E. Zabolotskaya, and M. Hamilton, “Model for the dynamics of a pherical bubble undergoing small shape oscilla- tions between parallel soft elastic layers,” J. Acoust. Soc. Am., in press (2013).
31 P. Zhong, Y. F. Zhou, and S. L. Zhu, “Dynamics of bubble oscilla- tion in constrained media and mechanisms of vessel rupture in SWL,” Ultrasound in Med. and Biol. 27, 119–134 (2001).
32 C. F. Caskey, S. M. Stieger, S. Qin, P. A. Dayton, and K. W. Ferrara, “Direct observations of ultrasound microbubble contrast agent interaction with the microvessel wall,” J. Acoust. Soc. Am. 122, 1191–200 (2007).
33 S. P. Qin, C. F. Caskey, and K. W. Ferrara, “Ultrasound contrast microbubbles in imaging and therapy: Physical principles and engineering,” Phys. in Med. & Biol. 54(6), R27–R57 (2009).
34 H. Chen, W. Kreider, A. A. Brayman, M. R. Bailey, and T. J. Matula, “Blood vessel deformations on microsecond time scales by ultra- sonic cavitation,” Phys. Rev. Lett. 106(3), 034301, 3087441 (2011).
35 H. Chen, A. A. Brayman, W. Kreider, M. R. Bailey, and T. J. Matula, “Observations of translation and jetting of ultrasound-activated microbubbles in mesenteric microvessels,” Ultrasound in Med. and Biol. 37, 2139–2148, 22036639 (2011).
Hong Chen received B.E. and M.E. degrees in Biomedical Engineering from Xi'an Jiaotong University in 2003 and 2006, respectively. She joined the Center for Industrial and Medical Ultrasound at the University of Washington in 2006 for her Ph.D. study. Her thesis focused on understanding the mechanisms by which ultrasound contrast agent microbub- bles cause bioeffects to blood vessels. After graduation in 2011, she joined the School of Medicine at the University of Washington as a senior fellow, working on ultrasound enhanced drug delivery to tumors. She then joined the Ultrasound Elasticity Imaging Laboratory at Columbia University in 2012 as a postdoctoral research scientist. Her research now involves working on opening the blood-brain barrier using focused ultrasound.
Thomas J. Matula earned a Ph.D. degree in physics at Washington State University, Pullman, Washington. He then moved to the Applied Physics Laboratory (APL) in Seattle, Washington, to work on a variety of sonoluminescence and sonochemistry projects. These led to honors from the Department of Defense (Young Scientist and Engineer Award), and the Presidential Early Career Award. His current research interests include ultrasound contrast agents for molecular imaging and therapy, shock wave therapy, and applications of ultrasound to industrial problems. Dr. Matula is currently the Director of the Center for Medical and Industrial Ultrasound (CIMU). He is also the Executive Director of the Center for Ultrasound-Based Molecular Imaging and Therapy (UWAMIT), dedicated to the commer- cialization of ultrasound-based technologies.
20 Acoustics Today, January 2013