20 papers · ranked by Valyu relevance
Yifei Zhu, Lingyin Jiang, Qi Zhang, Jun Yin + 12 more
'Guofeng Zhang' 'Haijun Zhang' 'Bo Ding' 'Han Lin' 'Honghui Xue' 'Xiasheng Guo' 'Xiao-Yang Zhang' 'Jing-Ning Zhu' 'Dong Zhang' 'Juan Tu' 'Ning Gu'] Ultrasound localization microscopy (ULM) is a novel imaging technique that overcomes the diffraction limit to achieve super-resolution imaging at the 10-μm scale. Despite…
Xi Chen, Matthew R. Lowerison, YiRang Shin, Yike Wang + 3 more
Ultrasound localization microscopy (ULM) enabled high-accuracy measurements of microvessel flow beyond the resolution limit of conventional ultrasound imaging by utilizing contrast microbubbles (MBs) as point targets. Robust tracking of MBs is an essential task for fast and high-quality ULM image reconstruction.…
Md Ashikuzzaman, Brandon Helfield, Hassan Rivaz
Ultrasound localization microscopy (ULM) refers to a promising medical imaging modality that systematically leverages the advantages of contrast-enhanced ultrasound (CEUS) to surpass the diffraction barrier and delineate the microvascular map. Localization and tracking of microbubbles (MBs), two significant steps of…
Justine Robin, Ali Özbek, Michael Reiß, Xosé Luís Deán‐Ben + 1 more
'Daniel Razansky'] Spherical matrix arrays arguably represent an advantageous tomographic detection geometry for non-invasive deep tissue mapping of vascular networks and oxygenation with volumetric optoacoustic tomography (VOT). Hybridization of VOT with ultrasound (US) imaging remains difficult with this…
Vincent Hingot, Claudia Errico, Baptiste Heiles, Line Rahal + 2 more
Medical ultrasound is a widely used diagnostic imaging technique for tissues and blood vessels. However, its spatial resolution is limited to a sub-millimeter scale. Ultrasound Localization Microscopy was recently introduced to overcome this limit and relies on subwavelength localization and tracking of microbubbles…
Yi Xu, Siyu Luo, Yujie Wang, Liying Wang + 2 more
Microbubble cloud dynamics under short-pulse ultrasound in flowing environments remain insufficiently understood. Here, we investigate microbubble cloud behaviour in a vessel-mimicking microfluidic channel under short-pulse ultrasound (1.125 MHz) and controlled laminar flow (37.5-150 µL/min). High-speed visualization…
Hasan Ul Banna, Benjamin Mitchell, Stephen Chen, Joel Palko + 1 more
'Hiroshi Ohguro'] Imaging of the ocular vasculature can provide new insights into the pathophysiology of ocular diseases. This study proposes a novel high-frequency super-resolution ultrasound localization microscopy (SRULM) technique and evaluates its ability to measure in vivo perfusion changes in the rat eye at…
Álvaro Romero-Calvo, Ömer Akay, Hanspeter Schaub, Katharina Brinkert
The absence of strong buoyancy forces severely complicates the management of multiphase flows in microgravity. Different types of space systems, ranging from in-space propulsion to life support, are negatively impacted by this effect. Multiple approaches have been developed to achieve phase separation in microgravity…
Sevan Harput, Kirsten Christensen-Jeffries, Alessandro Ramalli, Jemma Brown + 9 more
'Jemma Brown' 'Jiaqi Zhu' 'Ge Zhang' 'Chee Hau Leow' 'Matthieu Toulemonde' 'Enrico Boni' 'Piero Tortoli' 'Robert J. Eckersley' 'Chris Dunsby' 'Meng‐Xing Tang'] Abstract—High frame rate 3-D ultrasound imaging technology combined with super-resolution processing method can visualize 3-D microvascular structures by…
Stephen A. Lee, Alexis Leconte, Alice Wu, Joshua Kinugasa + 3 more
'Jonathan Porée' 'Andreas A. Linninger' 'Jean Provost'] The brain's microvascular cerebral capillary network plays a vital role in maintaining neuronal health, yet capillary dynamics are still not well understood due to limitations in existing imaging techniques. Here, we present Single Capillary Reporters (SCaRe) for…
Haowen Ruan, Mooseok Jang, Changhuei Yang
Focusing light inside scattering media in a freely addressable fashion is challenging, as the wavefront of the scattered light is highly disordered. Recently developed ultrasound-guided wavefront shaping methods are addressing this challenge, albeit with relatively low modulation efficiency and resolution limitations.…
Nino Läubli, Michael Gerlt, Alexander Wüthrich, Renard Lewis + 5 more
Acoustically excited microstructures have demonstrated significant potential for small scale biomedical applications by overcoming major microfluidic limitations. Recently, the application of oscillating microbubbles has demonstrated their superiority over acoustically excited solid structures due to their enhanced…
Nareg Ohannesian, Jingting Li, Ibrahim Misbah, Fusheng Zhao + 1 more
Directed assembly and concentrating of micro- and nanoparticles via laser generated plasmonic microbubbles in a liquid environment is an emerging technology. For effective heating, visible light has been primarily employed in existing demonstrations. In this paper, we demonstrate a new plasmonic platform based on…
Benjamin van Elburg, Gonzalo Collado‐Lara, Gert-Wim Bruggert, Tim Segers + 2 more
'Tim Segers' 'Michel Versluis' 'Guillaume Lajoinie'] Monodisperse lipid-coated microbubbles are a promising route to unlock the full potential of ultrasound contrast agents for medical diagnosis and therapy. Here, we present a stand-alone lab-on-a-chip instrument that allows microbubbles to be formed with high…
Changsheng Chen, Hongguang Zhang, Xianren Zhang
In our previous work [Phys. Chem. Chem. Phys. 2022, 24, 9685], we show with molecular dynamics simulations that bulk nanobubbles can be stabilized by forming a compressed amphiphile monolayer at bubble interfaces. This observation closely resembles the stability origin of microemulsions and inspires us to propose here…
Azaam Aziz, Mariana Medina-Sánchez, Jing Claussen, Oliver G. Schmidt
Medical imaging plays an important role in diagnosis and treatment of multiple diseases. It is a field under continuous development which seeks for improved sensitivity and spatiotemporal resolution to allow the dynamic monitoring of diverse biological processes that occur at the micro- and nanoscale. Emerging…
Azaam Aziz, Mariana Medina‐Sánchez, Jing Claussen, Oliver G. Schmidt
Medical imaging plays an important role in diagnosis and treatment of multiple diseases. It is a field under continuous development which seeks for improved sensitivity and spatiotemporal resolution to allow the dynamic monitoring of diverse biological processes that occur at the microand nanoscale. Emerging…
Priya Soneji, Elio J. Challita, M. Saad Bhamla
Cells and microorganisms are motile, yet the stationary nature of conventional microscopes impedes comprehensive, long-term behavioral and biomechanical analysis. The limitations are twofold: a narrow focus permits high-resolution imaging but sacrifices the broader context of organism behavior, while a wider focus…
Qiyang Chen, Fang-Wei Liu, Sung Kwon Cho, Kang Kim
Maneuverable microswimmers/microdrones that navigate in hard-to-reach spaces inside human bodies hold a great potential for various biomedical applications. Acoustically actuated microswimmers have already demonstrated feasibility. However, for eventual translation of this technology, a robust 3-D tracking strategy for…
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This study presents the use of laser-driven microbubbles for micro-patterning Ti3C2TX MXenes on flexible polyethylene terephthalate films, yielding conductive micropatterns without the need for pre- or post-processing. Characterization of the electrical properties under varying strain conditions revealed distinct…