20 years of ultrasound contrast agent modeling

T Faez, M Emmer, K Kooiman… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
The merits of ultrasound contrast agents (UCAs) were already known in the 1960s. It was,
however, not until the 1990s that UCAs were clinically approved and marketed. In these …

Encapsulated microbubbles and echogenic liposomes for contrast ultrasound imaging and targeted drug delivery

S Paul, R Nahire, S Mallik, K Sarkar - Computational mechanics, 2014 - Springer
Micron-to nanometer-sized ultrasound agents, like encapsulated microbubbles and
echogenic liposomes, are being developed for diagnostic imaging and ultrasound mediated …

Negative axial radiation forces on solid spheres and shells in a Bessel beam

PL Marston - The Journal of the Acoustical Society of America, 2007 - pubs.aip.org
Prior computations predict that fluid spheres illuminated by an acoustic Bessel beam can be
subjected to a radiation force directed opposite the direction of beam propagation. The …

Axial compression of hollow elastic spheres

R Shorter, J Smith, V Coveney, J Busfield - Journal of Mechanics of …, 2010 - msp.org
When thin-walled hollow elastic spheres are compressed between two parallel rigid
surfaces, there is an initial flattening of the sphere in the contact regions, followed by a snap …

Determination of the interfacial rheological properties of a poly (DL-lactic acid)-encapsulated contrast agent using in vitro attenuation and scattering

S Paul, D Russakow, T Rodgers, K Sarkar… - Ultrasound in medicine …, 2013 - Elsevier
The stabilizing encapsulation of a microbubble-based ultrasound contrast agent (UCA)
critically affects its acoustic properties. Polymers, which behave differently from materials …

Improving the sensitivity of high‐frequency subharmonic imaging with coded excitation: A feasibility study

H Shekhar, MM Doyley - Medical physics, 2012 - Wiley Online Library
Purpose: Subharmonic intravascular ultrasound imaging (S‐IVUS) could visualize the
adventitialvasa vasorum, but the high pressure threshold required to incite subharmonic …

Rupture threshold characterization of polymer-shelled ultrasound contrast agents subjected to static overpressure

PV Chitnis, P Lee, J Mamou, JS Allen… - Journal of applied …, 2011 - pubs.aip.org
Polymer-shelled micro-bubbles are employed as ultrasound contrast agents (UCAs) and
vesicles for targeted drug delivery. UCA-based delivery of the therapeutic payload relies on …

Modifying the size distribution of microbubble contrast agents for high‐frequency subharmonic imaging

H Shekhar, JJ Rychak, MM Doyley - Medical physics, 2013 - Wiley Online Library
Purpose: Subharmonic imaging is of interest for high frequency (> 10 MHz) nonlinear
imaging, because it can specifically detect the response of ultrasound contrast agents …

A preliminary in vitro assessment of polymer-shelled microbubbles in contrast-enhanced ultrasound imaging

C Sciallero, G Paradossi, A Trucco - Ultrasonics, 2012 - Elsevier
This paper focuses on the use of poly (vinyl alcohol)-shelled microbubbles as a contrast
agent in ultrasound medical imaging. The objective was an in vitro assessment of the …

Relationship between size and frequency dependent attenuation of monodisperse populations of lipid coated microbubbles

Y Gong, M Cabodi, T Porter - Bubble Science, Engineering & …, 2010 - Taylor & Francis
Acoustic techniques were employed to investigate the relationship between the mean size of
monodispersions of lipid coated microbubbles and frequency dependent attenuation. Flow …