Works (19)
Updated: July 5th, 2023 15:43
2018 journal article
A Dual-Frequency Colinear Array for Acoustic Angiography in Prostate Cancer Evaluation
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 65(12), 2418–2428.
author keywords: Harmonic analysis; in vivo; oncology; ultrasonic imaging; ultrasonic transducer arrays
MeSH headings : Abdomen / blood supply; Abdomen / diagnostic imaging; Angiography / methods; Animals; Contrast Media; Humans; Image Interpretation, Computer-Assisted / methods; Male; Microbubbles; Models, Biological; Phantoms, Imaging; Prostate / blood supply; Prostate / diagnostic imaging; Prostatic Neoplasms / blood supply; Prostatic Neoplasms / diagnostic imaging; Rats; Transducers; Ultrasonography / instrumentation; Ultrasonography / methods
TL;DR:
The development of a dual frequency, dual-layer colinear array transducer for transrectal acoustic angiography and identification of regions of neovascularization for the guidance of prostate biopsies are described.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science; OpenAlex)
Source: Web Of Science
Added: January 14, 2019
2017 journal article
Real-time ultrasound angiography using superharmonic dual-frequency (2.25 MHz/30 MHz) cylindrical array: In vitro study
ULTRASONICS, 82, 298–303.
author keywords: Dual-frequency ultrasound; IVUS array; Lateral mode transducer; Superharmonic; Acoustic angiography
MeSH headings : Angiography / instrumentation; Equipment Design; In Vitro Techniques; Microbubbles; Microvessels; Phantoms, Imaging; Transducers; Ultrasonography / instrumentation
TL;DR:
The results show that this dual‐frequency IVUS array transducer with a lateral‐mode transmitter can fulfill the native design requirement for acoustic angiography by generating nonlinear microbubble responses as well as detecting their superharmonic responses in a 5 Fr form factor.
(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
2016 conference paper
A dual-frequency co-linear array for prostate acoustic angiography
2016 ieee international ultrasonics symposium (ius).
TL;DR:
The development of a dual layer co-linear array ultrasound transducer for transrectal acoustic angiography is described, suggesting that the prototype co- linear array is capable of performing dual-frequency superharmonic imaging of microbubbles for prostate cancer assessment.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018
2016 journal article
Contrast Enhanced Superharmonic Imaging for Acoustic Angiography Using Reduced Form-Factor Lateral Mode Transmitters for Intravascular and Intracavity Applications
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 64(2), 311–319.
author keywords: Dual frequency; lateral mode transducer; superharmonic; ultrasound transducer
MeSH headings : Acoustics / instrumentation; Angiography / instrumentation; Contrast Media / chemistry; Equipment Design; Humans; Microbubbles; Transducers; Ultrasonography / instrumentation
TL;DR:
Results show that superharmonic imaging with a low frequency lateral mode transmitter is a feasible alternative to thickness mode transmitters when the final transducer size requirements dictate design choices.
(via Semantic Scholar)
open access via doi.org (publisher)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2016 conference paper
Modeling of harmonic measurement radiated by a plane circular piston in fluids
Proceedings of 2016 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA), 288–292.
TL;DR:
A finite element model is presented that embodies all the factors mentioned previously to describe the nonlinear characteristics of the ultrasonic field radiated by a plane circular piston source in fluids more accurately.
(via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018
2015 article
A 3 MHz/18 MHz Dual-layer Co-Linear Array for Transrectal Acoustic Angiography
2015 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS).
author keywords: acoustic angiography; dual frequency; ultrasound contrast agent; transrectal ultrasound; prostate cancer
TL;DR:
Results suggest that the prototyped co-linear array is capable of performing dual-frequency superharmonic imaging of microbubbles (“acoustic angiography”) for prostate cancer assessment.
(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 conference paper
A dual frequency ivus transducer with a lateral mode transmitter for contrast enhanced intravascular ultrasound imaging
Proceedings of the ASME International Mechanical Engineering Congress and Exposition, 2015, vol 3.
TL;DR:
The results showed that this dual frequency IVUS transducer with a lateral mode transmitter can be used to detect super-harmonic signal (12th to 15th harmonic) ideal for superharmonic imaging of microvascular structures.
(via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018
2015 journal article
Design, Fabrication, and Characterization of a Bifrequency Colinear Array
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 63(2), 266–274.
author keywords: Bifrequency ultrasound; colinear array; composite transducer
TL;DR:
The results of this study suggest that bifrequency colinear arrays are potential aids for wideband fundamental imaging and harmonic/subharmonic 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
2015 article
Dual-frequency IVUS array for contrast enhanced intravascular ultrasound imaging
2015 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS).
author keywords: dual frequency ultrasound; transducer array; lateral mode transducer; superharmonic; CE-IVUS; microbubble
TL;DR:
A prototyped dual-frequency array for CE-IVUS imaging was developed and tested and images of a contrast-filled microtube can be observed clearly with only 4 receiving elements at an excitation voltage of 55 V, which indicates feasibility of CE- IVUS imaging after circularly wrapping the array for catheter integration.
(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 IVUS transducer for acoustic radiation force impulse (ARFI) imaging
2015 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS).
author keywords: dual frequency ultrasound; ultrasound transducer; intravascular ultrasound; IVUS; acoustic radiation force; ARFI
TL;DR:
A dual-frequency IVUS transducer, consisting of a 6.5 MHz “pushing” element and a 26 MHz ‘tracking’ element, was designed and fabricated for ARFI application and suggests great potential of this dual- frequencies for intravascular ARFI imaging.
(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
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 conference paper
A bi-frequency co-linear array transducer for biomedical ultrasound imaging
Proceedings of the ASME International Mechanical Engineering Congress and Exposition, 2014, vol 3.
TL;DR:
A bi-frequency co-linear array covering a frequency range of 5 MHz-20 MHz was investigated to meet the requirements of resolution and depth of field for a broad range of ultrasound imaging applications.
(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 conference paper
Design and phantom testing of a bi-frequency co-linear array
2014 IEEE International Ultrasonics Symposium (IUS), 2108–2111.
Source: NC State University Libraries
Added: August 6, 2018
2013 article
Design, fabrication and characterization of a bi-frequency co-linear array (7.5MHz/15MHz)
2013 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), pp. 504–507.
author keywords: bi-frequency ultrasound; composite transducer; broadband ultrasound; co-linear array
TL;DR:
Design of a 7.5 MHz / 15 MHz bi-frequency co-linear array prototype with a wide bandwidth of 5MHz-20 MHz can be significant in a broad range of biomedical ultrasound imaging applications.
(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
2013 journal article
Disruption of microalgal cells using high-frequency focused ultrasound
BIORESOURCE TECHNOLOGY, 153, 315–321.
author keywords: Microalgae; Ultrasound; Cell disruption; Lipid extraction
MeSH headings : Cell Fractionation / methods; Chlorophyll / metabolism; Chlorophyll A; Colony Count, Microbial; Fluorescence; Lipids / chemistry; Microalgae / cytology; Microalgae / growth & development; Microalgae / metabolism; Oxazines / metabolism; Staining and Labeling; Ultrasonics / instrumentation; Ultrasonics / methods
TL;DR:
The results demonstrated that HFFU was effective in the disruption of microalgal cells, indicated by significantly increased lipid fluorescence density, the decrease of cell sizes, and the increase of chlorophyll a fluorescencedensity after treatments.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science)
7. Affordable and Clean Energy
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
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