|Sonoporation by ultrasound-activated microbubble contrast agents: effect of acoustic exposure parameters on cell membrane permeability and cell viability|
R Karshafian, PD Bevan, R Williams, S Samac, PN Burns
Ultrasound in medicine & biology 35 (5), 847-860, 2009
|Investigation of vaporized submicron perfluorocarbon droplets as an ultrasound contrast agent|
N Reznik, R Williams, PN Burns
Ultrasound in medicine & biology 37 (8), 1271-1279, 2011
|Characterization of submicron phase-change perfluorocarbon droplets for extravascular ultrasound imaging of cancer|
R Williams, C Wright, E Cherin, N Reznik, M Lee, I Gorelikov, FS Foster, ...
Ultrasound in medicine & biology 39 (3), 475-489, 2013
|Dynamic microbubble contrast-enhanced US to measure tumor response to targeted therapy: a proposed clinical protocol with results from renal cell carcinoma patients receiving …|
R Williams, JM Hudson, BA Lloyd, AR Sureshkumar, G Lueck, L Milot, ...
Radiology 260 (2), 581-590, 2011
|Microbubbles loaded with nanoparticles: a route to multiple imaging modalities|
JI Park, D Jagadeesan, R Williams, W Oakden, S Chung, GJ Stanisz, ...
Acs Nano 4 (11), 6579-6586, 2010
|Ultrahigh frame rate retrospective ultrasound microimaging and blood flow visualization in mice< i> in vivo</i>|
E Chérin, R Williams, A Needles, G Liu, C White, AS Brown, YQ Zhou, ...
Ultrasound in medicine & biology 32 (5), 683-691, 2006
|Microfluidic assembly of monodisperse, nanoparticle-incorporated perfluorocarbon microbubbles for medical imaging and therapy|
M Seo, I Gorelikov, R Williams, N Matsuura
|Inter-and intra-operator reliability and repeatability of shear wave elastography in the liver: a study in healthy volunteers|
JM Hudson, L Milot, C Parry, R Williams, PN Burns
Ultrasound in medicine & biology 39 (6), 950-955, 2013
|Outcomes in patients with metastatic renal cell cancer treated with individualized sunitinib therapy: correlation with dynamic microbubble ultrasound data and review of the …|
GA Bjarnason, B Khalil, JM Hudson, R Williams, LM Milot, M Atri, A Kiss, ...
Urologic Oncology: Seminars and Original Investigations 32 (4), 480-487, 2014
|Noninvasive ultrasonic measurement of regional and local pulse-wave velocity in mice|
R Williams, A Needles, E Cherin, YQ Zhou, RM Henkelman, SL Adamson, ...
Ultrasound in medicine & biology 33 (9), 1368-1375, 2007
|Combined perfusion and doppler imaging using plane-wave nonlinear detection and microbubble contrast agents|
C Tremblay-Darveau, R Williams, L Milot, M Bruce, PN Burns
IEEE transactions on ultrasonics, ferroelectrics, and frequency control 61 …, 2014
|The efficiency and stability of bubble formation by acoustic vaporization of submicron perfluorocarbon droplets|
N Reznik, O Shpak, EC Gelderblom, R Williams, N de Jong, M Versluis, ...
Ultrasonics 53 (7), 1368-1376, 2013
|Performance and characterization of new micromachined high-frequency linear arrays|
M Lukacs, J Yin, G Pang, RC Garcia, E Cherin, R Williams, J Mehi, ...
Ultrasonics, Ferroelectrics and Frequency Control, IEEE Transactions on 53 …, 2006
|Dynamic contrast enhanced ultrasound for therapy monitoring|
JM Hudson, R Williams, C Tremblay-Darveau, PS Sheeran, L Milot, ...
European journal of radiology 84 (9), 1650-1657, 2015
|Optical studies of vaporization and stability of fluorescently labelled perfluorocarbon droplets|
N Reznik, M Seo, R Williams, E Bolewska-Pedyczak, M Lee, N Matsuura, ...
Physics in Medicine & Biology 57 (21), 7205, 2012
|In vitro characterization of the subharmonic ultrasound signal from Definity microbubbles at high frequencies|
K Cheung, O Couture, PD Bevan, E Cherin, R Williams, PN Burns, ...
Physics in Medicine & Biology 53 (5), 1209, 2008
|Methods of generating submicrometer phase-shift perfluorocarbon droplets for applications in medical ultrasonography|
PS Sheeran, N Matsuura, MA Borden, R Williams, TO Matsunaga, ...
IEEE transactions on ultrasonics, ferroelectrics, and frequency control 64 …, 2016
|System and method for ECG-triggered retrospective color flow ultrasound imaging|
R Williams, A Needles, E Cherin, FS Foster
US Patent 7,674,228, 2010
|Improved Flow Measurement Using Microbubble Contrast Agents and Disruption-Replenishment: Clinical Application to Tumour Monitoring|
JM Hudson, R Williams, B Lloyd, M Atri, TK Kim, G Bjarnason, PN Burns
Ultrasound in medicine & biology, 2011
|Pseudoenhancement within the local ablation zone of hepatic tumors due to a nonlinear artifact on contrast-enhanced ultrasound|
H Yu, HJ Jang, TK Kim, K Khalili, R Williams, G Lueck, J Hudson, ...
American journal of roentgenology 194 (3), 653-659, 2010