Ultrasound-Mediated Ocular Drug Delivery: From Physics and Instrumentation to Future Directions
Drug delivery to the anterior and posterior segments of the eye is impeded by anatomical
and physiological barriers. Increasingly, the bioeffects produced by ultrasound are being …
and physiological barriers. Increasingly, the bioeffects produced by ultrasound are being …
Optically transparent focused transducers for combined photoacoustic and ultrasound microscopy
S Park, S Kang, JH Chang - Journal of Medical and Biological …, 2020 - Springer
Purpose Photoacoustic (PA) microscopy has emerged as a useful tool in biomedical
imaging applications such as visualization of microvasculature and hemoglobin oxygen …
imaging applications such as visualization of microvasculature and hemoglobin oxygen …
Reverberant optical coherence elastography using multifocal acoustic radiation force
In this study, we introduce a multifocal acoustic radiation force source that combines an
ultrasound transducer and a 3D-printed acoustic lens for application in reverberant optical …
ultrasound transducer and a 3D-printed acoustic lens for application in reverberant optical …
Electrical impedance matching networks based on filter structures for high frequency ultrasound transducers
An electrical impedance matching (EIM) network is proposed to achieve the broad
bandwidth of a high frequency ultrasound transducer and to improve the signal-to-noise …
bandwidth of a high frequency ultrasound transducer and to improve the signal-to-noise …
A 35 MHz/105 MHz dual-element focused transducer for intravascular ultrasound tissue imaging using the third harmonic
The superharmonic imaging of tissue has the potential for high spatial and contrast
resolutions, compared to the fundamental and second harmonic imaging. For this technique …
resolutions, compared to the fundamental and second harmonic imaging. For this technique …
A transparent ultrasound array for real-time optical, ultrasound, and photoacoustic imaging
Objective and Impact Statement. Simultaneous imaging of ultrasound and optical contrasts
can help map structural, functional, and molecular biomarkers inside living subjects with …
can help map structural, functional, and molecular biomarkers inside living subjects with …
Wideband multimode excitation by a double-parabolic-reflector ultrasonic transducer
This research presents double-parabolic-reflector wave-guided ultrasonic transducers in
order to realize wideband (0-2.5 MHz), multiharmonic mode excitations (over 20 modes) …
order to realize wideband (0-2.5 MHz), multiharmonic mode excitations (over 20 modes) …
Increased light penetration due to ultrasound-induced air bubbles in optical scattering media
H Kim, JH Chang - Scientific reports, 2017 - nature.com
Light is an attractive tool for high spatial-and contrast-resolution imaging, highly sensitive
molecular imaging, and target-selective therapy, and it does not exhibit the risks associated …
molecular imaging, and target-selective therapy, and it does not exhibit the risks associated …
Endoscopic probe for ultrasound-assisted photodynamic therapy of deep-lying tissue
J Kim, H Kim, JH Chang - Ieee Access, 2020 - ieeexplore.ieee.org
Endoscopic photodynamic therapy (PDT) has attracted much attention as a minimally
invasive, minimally toxic treatment. PDT can selectively destroy cancer cells by reactive …
invasive, minimally toxic treatment. PDT can selectively destroy cancer cells by reactive …
[HTML][HTML] Nonreciprocity of backward volume spin wave beams excited by the curved focusing transducer
M Madami, Y Khivintsev, G Gubbiotti, G Dudko… - Applied Physics …, 2018 - pubs.aip.org
The focusing effect for spin waves excited by a curved micrometer-sized coplanar
waveguide transducer on top of a 5-μm-thick epitaxial yttrium iron garnet film is studied by …
waveguide transducer on top of a 5-μm-thick epitaxial yttrium iron garnet film is studied by …