The effect of binding on the subharmonic emissions from individual lipid-encapsulated microbubbles at transmit frequencies of 11 and 25 MHz

BL Helfield, E Cherin, FS Foster, DE Goertz - Ultrasound in medicine & …, 2013 - Elsevier
Targeted microbubble imaging at ultrasound frequencies above 5 MHz has applications in
both a preclinical context for a range of disease processes and clinically for the assessment …

Nonlinear emission from individual bound microbubbles at high frequencies

MR Sprague, E Chérin, DE Goertz, FS Foster - Ultrasound in medicine & …, 2010 - Elsevier
Targeted microbubbles detected with high-frequency ultrasound can establish the molecular
expression of blood vessels with submillimeter resolution. To improve microbubble-specific …

Investigating the subharmonic response of individual phospholipid encapsulated microbubbles at high frequencies: A comparative study of five agents

BL Helfield, E Cherin, FS Foster, DE Goertz - Ultrasound in medicine & …, 2012 - Elsevier
There are a range of contrast ultrasound applications above 10 MHz, a frequency regime in
which nonlinear microbubble behavior is poorly understood. Lipid-encapsulated …

Ambient pressure sensitivity of the subharmonic response of coated microbubbles: effects of acoustic excitation parameters

RH Azami, F Forsberg, JR Eisenbrey… - Ultrasound in Medicine & …, 2023 - Elsevier
Objective The sensitivity of the acoustic response of microbubbles, specifically a strong
correlation between their subharmonic response and the ambient pressure, has motivated …

Vibrational responses of bound and nonbound targeted lipid-coated single microbubbles

T van Rooij, I Beekers, KR Lattwein… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
One of the main challenges for ultrasound molecular imaging is acoustically distinguishing
nonbound microbubbles from those bound to their molecular target. In this in vitro study, we …

Subharmonic response of encapsulated microbubbles: Conditions for existence and amplification

E Kimmel, B Krasovitski, A Hoogi, D Razansky… - Ultrasound in medicine …, 2007 - Elsevier
The response of encapsulated microbubbles at half the ultrasound insonation frequency,
termed subharmonic response, may have potential applications in diagnosis and therapy …

Impact of filling gas on subharmonic emissions of phospholipid ultrasound contrast agents

E Kanbar, D Fouan, CA Sennoga, AA Doinikov… - Ultrasound in Medicine …, 2017 - Elsevier
Subharmonic signals backscattered from gas-filled lipid-shelled microbubbles have
generated significant research interest because they can improve the detection and …

Molecular acoustic angiography: a new technique for high-resolution superharmonic ultrasound molecular imaging

SE Shelton, BD Lindsey, JK Tsuruta, FS Foster… - Ultrasound in medicine …, 2016 - Elsevier
Ultrasound molecular imaging utilizes targeted microbubbles to bind to vascular targets
such as integrins, selectins and other extracellular binding domains. After binding, these …

On the relationship between microbubble fragmentation, deflation and broadband superharmonic signal production

BD Lindsey, JD Rojas, PA Dayton - Ultrasound in medicine & biology, 2015 - Elsevier
Acoustic angiography imaging of microbubble contrast agents uses the superharmonic
energy produced from excited microbubbles and enables high-contrast, high-resolution …

The onset of microbubble vibration

M Emmer, A Van Wamel, DE Goertz… - Ultrasound in medicine & …, 2007 - Elsevier
A linear relationship between the relative expansion of an off-resonance ultrasound contrast
microbubble and low acoustic pressures is expected. In this study, high-speed optical …