Bursting microbubbles: How nanobubble contrast agents can enable the future of medical ultrasound molecular imaging and image-guided therapy

AA Exner, MC Kolios - Current opinion in colloid & interface science, 2021 - Elsevier
The field of medical ultrasound has undergone a significant evolution since the development
of microbubbles as contrast agents. However, because of their size, microbubbles remain in …

In vitro methods to study bubble-cell interactions: Fundamentals and therapeutic applications

G Lajoinie, I De Cock, CC Coussios, I Lentacker… - …, 2016 - pubs.aip.org
Besides their use as contrast agents for ultrasound imaging, microbubbles are increasingly
studied for a wide range of therapeutic applications. In particular, their ability to enhance the …

Nonlinear dynamics of acoustic bubbles excited by their pressure-dependent subharmonic resonance frequency: influence of the pressure amplitude, frequency …

AJ Sojahrood, R Earl, H Haghi, Q Li, TM Porter… - Nonlinear …, 2021 - Springer
Nonlinear behavior of bubbles, and most importantly 1 2 1 2-order subharmonics (SH), are
used to increase the contrast-to-tissue ratio (CTR) in diagnostic ultrasound (US) and to …

Classification of the major nonlinear regimes of oscillations, oscillation properties, and mechanisms of wave energy dissipation in the nonlinear oscillations of coated …

AJ Sojahrood, H Haghi, R Karshafian, MC Kolios - Physics of Fluids, 2021 - pubs.aip.org
Acoustic waves are dissipated when they pass through bubbly media. Dissipation by
bubbles takes place through thermal damping (Td), radiation damping (Rd), and damping …

[HTML][HTML] An optical and acoustic investigation of microbubble cavitation in small channels under therapeutic ultrasound conditions

X Zhao, A Wright, DE Goertz - Ultrasonics Sonochemistry, 2023 - Elsevier
Therapeutic focused ultrasound in combination with encapsulated microbubbles is being
widely investigated for its ability to elicit bioeffects in the microvasculature, such as transient …

[HTML][HTML] A simple method to analyze the super-harmonic and ultra-harmonic behavior of the acoustically excited bubble oscillator

AJ Sojahrood, D Wegierak, H Haghi, R Karshfian… - Ultrasonics …, 2019 - Elsevier
The bubble oscillator is a highly nonlinear system, which makes it difficult to generate a
comprehensive understanding of its oscillatory behavior. One method used to investigate …

Microbubble Composition and Preparation for High-Frequency Contrast-Enhanced Ultrasound Imaging: In Vitro and In Vivo Evaluation

V Daeichin, T van Rooij, I Skachkov… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
Although high-frequency ultrasound imaging is gaining attention in various applications,
hardly any ultrasound contrast agents (UCAs) dedicated to such frequencies (> 15 MHz) are …

Effect of pulse shaping on subharmonic aided pressure estimation in vitro and in vivo

I Gupta, J Eisenbrey, M Stanczak… - … of Ultrasound in …, 2017 - Wiley Online Library
Objectives Subharmonic imaging (SHI) is a technique that uses the nonlinear oscillations of
microbubbles when exposed to ultrasound at high pressures transmitting at the fundamental …

[HTML][HTML] Experimental investigation on the effect of concentration on the resonance frequency of lipid coated ultrasonically excited microbubbles

H Haghi, M Yaali, AA Exner, MC Kolios - Ultrasonics Sonochemistry, 2025 - Elsevier
This study presents an experimental investigation of the influence of MB concentration on
the resonance frequency of lipid-coated microbubbles (MBs). Expanding on theoretical …

Novel anti-VEGFR2 antibody-conjugated nanobubbles for targeted ultrasound molecular imaging in a rabbit VX2 hepatic tumor model

H Yu, S Zheng, C Wang, J Xing, L Li - Journal of Materials Chemistry B, 2023 - pubs.rsc.org
Nanobubbles (NBs), as ultrasound contrast agents, possess the potential for clinical
applications in targeted ultrasound molecular imaging due to their small diameters and the …