Works (16)
Updated: July 5th, 2023 15:44
2019 article
Contrast-Enhanced Dual-Frequency Super-Harmonic Intravascular Ultrasound (IVUS) Imaging
MULTIMODALITY IMAGING: FOR INTRAVASCULAR APPLICATION, pp. 105–151.
TL;DR:
The ability to predict the instability of atherosclerotic lesions remains a substantial challenge, and there is an unmet need for new imaging methods to identify, detect, and differentiate these pathologies.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: July 19, 2021
2017 book
High frequency piezo-composite micromachined ultrasound transducer array technology for biomedical imaging
TL;DR:
This monograph reports the current advancement in high frequency piezoelectric crystal micromachined ultrasound transducers and arrays and their biomedical applications, and describes challenges and future perspectives of this technique for biomedical applications.
(via Semantic Scholar)
open access via ebooks.asmedigitalcollection.asme.org (publisher PDF)
Source: NC State University Libraries
Added: August 6, 2018
2016 journal article
EX VIVO PORCINE ARTERIAL AND CHORIOALLANTOIC MEMBRANE ACOUSTIC ANGIOGRAPHY USING DUAL-FREQUENCY INTRAVASCULAR ULTRASOUND PROBES
ULTRASOUND IN MEDICINE AND BIOLOGY, 42(9), 2294–2307.
author keywords: Ultrasonography; Vasa vasorum; Dual frequency; Superharmonic; Acoustic angiography; Intravascular ultrasound; Microbubble; Contrast; Atherosclerosis
MeSH headings : Angiography / methods; Animals; Arteries / diagnostic imaging; Chick Embryo; Chorioallantoic Membrane / diagnostic imaging; Computer Simulation; Contrast Media; Image Enhancement / methods; Microvessels / diagnostic imaging; Models, Animal; Models, Biological; Phantoms, Imaging; Sensitivity and Specificity; Swine; Transducers; Ultrasonography, Interventional / instrumentation; Ultrasonography, Interventional / methods
TL;DR:
Dual-frequency contrast-specific imaging was able to resolve vessels similar in size to those found in vulnerable atherosclerotic plaques at clinically relevant depths, adding to the support for further evaluation and translation of contrast- specific imaging in intravascular ultrasound for the detection of vulnerable plaques in atherosclerosis.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2015 journal article
An acoustic filter based on layered structure
Applied Physics Letters, 106(11), 111903.
TL;DR:
A design which selectively achieves acoustic filtering with a stop band and passive amplification at the high- and low-frequencies, respectively is presented, which is proved to be effective in multi-frequency systems.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
7. Affordable and Clean Energy
(OpenAlex)
Sources: Web Of Science, Crossref
Added: August 6, 2018
2015 journal article
Design factors of intravascular dual frequency transducers for super-harmonic contrast imaging and acoustic angiography
PHYSICS IN MEDICINE AND BIOLOGY, 60(9), 3441–3457.
author keywords: ultrasound transducer; intravascular ultrasound imaging; acoustic angiography; contrast imaging; super-harmonic imaging; dual frequency transducer; microbubble
MeSH headings : Angiography / instrumentation; Angiography / methods; Contrast Media / chemistry; Transducers; Ultrasonography, Interventional / instrumentation; Ultrasonography, Interventional / methods
TL;DR:
Transducer designs encompassing different transducer layouts, transmitting frequencies, and transducers materials are compared for optimization of imaging performance and provide guidelines for the design of intravascular acoustic angiography transducers.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2015 article
Dual-frequency intravascular ultrasound imaging of microbubble contrast agents: Ex vivo and in vivo demonstration
2015 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS).
author keywords: microbubble; intravascular ultrasound; vasa vasorum; high frequency ultrasound
TL;DR:
The results of this study suggest contrast-specific intravascular ultrasound imaging for the detection of vulnerable plaques in atherosclerosis may provide additional diagnostic information.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2014 article
A Configurable Dual-Frequency Transmit/Receive System for Acoustic Angiography Imaging
2014 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), pp. 731–733.
author keywords: contrast imaging; FPGA; configurable system; acoustic angiography
TL;DR:
A configurable dual-frequency system platform dedicated to acoustic angiography that is controlled by a field programmable gate array (FPGA), which enables flexible programming, and many on-board processing and stimulation modes was shown to be capable of acousticAngiography as well as traditional B-mode imaging.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2014 journal article
A preliminary engineering design of intravascular dual-frequency transducers for contrast-enhanced acoustic angiography and molecular imaging
IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control, 61(5), 870–880.
MeSH headings : Angiography / instrumentation; Contrast Media / chemistry; Equipment Design; Microbubbles; Molecular Imaging / instrumentation; Phantoms, Imaging; Signal-To-Noise Ratio; Transducers; Ultrasonography, Interventional / instrumentation
TL;DR:
Preliminary phantom imaging at the fundamental frequency (30 MHz) and dual-frequency super-harmonic imaging results suggest the promise of small aperture, dual- frequencies IVUS transducers for contrast-enhanced IVUS imaging.
(via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018
2014 article
Acoustic radiation force (ARF) generation with a novel dual-frequency intravascular transducer.
2014 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), pp. 2284–2287.
author keywords: ultrasound transducer; dual frequency; acoustic radiation force; ARFI; intravascular; IVUS
TL;DR:
The results of this study show that ARF generation and high-resolution tracking is feasible on a small-aperture transducer fit for IVUS implementation, and is also shown to demonstrate backscatter sensitivity.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2014 article
An array transmitter for dual-frequency contrast enhanced intravascular ultrasound imaging
2014 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), pp. 2104–2107.
author keywords: contrast ultrasound; transmitting array transducer; angiography lateral mode transducer; superharmonic; acoustic angiography
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2014 conference paper
Anti-matching design for wave isolation in dual frequency transducer for intravascular super-harmonic imaging
Proceedings of the ASME International Mechanical Engineering Congress and Exposition, 2014, vol 3.
TL;DR:
High resolution image was generated from super-harmonic imaging, which elucidated the capability of the transducer for intravascular microvessel detection and suppressed the aliasing echo to less than −20 dB.
(via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018
2014 article
Dual Frequency Transducers for Intravascular Ultrasound Super-harmonic Imaging and Acoustic Angiography
2014 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), pp. 675–678.
author keywords: ultrasound transducers; dual frequency transducer; intravascular ultrasound; contrast super-harmonic imaging; acoustic angiography
TL;DR:
Dual frequency transducers with 5 MHz transmitters made of PMN-PT 1-3 composite are preferable in the CE-IVUS imaging, and contrast-to-tissue ratio (CTR) in CE- IVUS imaging can be closely associated with the low frequency transmitter performance.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2014 review
Dual-Frequency Piezoelectric Transducers for Contrast Enhanced Ultrasound Imaging
[Review of ]. SENSORS, 14(11), 20825–20842.
author keywords: acoustics; acoustic angiography; dual-frequency; superharmonic; harmonic; broadband; microbubbles
MeSH headings : Aircraft / instrumentation; Contrast Media; Equipment Design; Equipment Failure Analysis; Image Enhancement / instrumentation; Materials Testing / instrumentation; Micro-Electrical-Mechanical Systems / instrumentation; Miniaturization; Radio Waves; Reproducibility of Results; Sensitivity and Specificity; Transducers; Ultrasonography / instrumentation
TL;DR:
The background principles and recent developments of ultrasound transducer technology for receiving signals produced by contrast agents while rejecting signals arising from soft tissue are described and this approach relies on transmitting at a low-frequency and receiving microbubble harmonic signals at frequencies many times higher than the transmitted frequency.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2013 journal article
Design, Fabrication, and Characterization of a Single-Aperture 1.5-MHz/3-MHz Dual-Frequency HIFU Transducer
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 60(7), 1519–1529.
MeSH headings : Animals; Equipment Design; High-Intensity Focused Ultrasound Ablation / instrumentation; Meat; Models, Biological; Swine; Transducers
TL;DR:
Tissue ablation tests demonstrated that higher temperature rise can be achieved with dual-frequency ultrasound than with single-frequency ablation at the same acoustic power.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2013 article
Design, fabrication and test of a small aperture, dual frequency ultrasound transducer
HEALTH MONITORING OF STRUCTURAL AND BIOLOGICAL SYSTEMS 2013, Vol. 8695.
author keywords: ultrasound transducer; dual frequency; contrast imaging; small aperture
TL;DR:
The small aperture, dual frequency ultrasound transducers developed in this paper are promising for high resolution ultrasound medical imaging.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
conference paper
Small aperture, dual frequency ultrasound transducers for intravascular contrast imaging
Ma, J. G., Jiang, X. N., Martin, K. H., & Dayton, P. A. 2013 ieee international ultrasonics symposium (ius), 761–764.
Source: NC State University Libraries
Added: August 6, 2018
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