Works (23)
Updated: August 12th, 2023 21:16
2023 article
A Bi-In-Sn eutectic multi-layer high temperature ultrasound transmitter with candle-soot nanoparticles for improved photoacoustic efficiency
NONDESTRUCTIVE CHARACTERIZATION AND MONITORING OF ADVANCED MATERIALS, AEROSPACE, CIVIL INFRASTRUCTURE, AND TRANSPORTATION XVII, Vol. 12487.
author keywords: Photoacoustic; NDE; high temperature; laser ultrasound; liquid metal
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
12. Responsible Consumption and Production
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: July 31, 2023
2023 journal article
Intravascular Sono-Ablation for In-Stent Restenosis Relief: Transducer Development and the In-Vitro Demonstration
IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, 70(7), 2172–2180.
author keywords: In stent restenosis; focused ultrasound; tissue ablation; interstitial transducer; small aperture
MeSH headings : Humans; Coronary Restenosis; Stents; Computer Simulation; Treatment Outcome
TL;DR:
The developed device can be used for sonoablation of the remaining plaque, providing a novel approach to the treatment of ISR, suggesting it could be as a future ISR treatment modality.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 7, 2023
2021 journal article
A 1.5-D Array for Acoustic Radiation Force (ARF)-Induced Peak Displacement-Based Tissue Anisotropy Assessment With a Row-Column Excitation Method
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 68(4), 1278–1287.
author keywords: Transducers; Flexible printed circuits; Acoustics; Fabrication; Impedance; Anisotropic magnetoresistance; Muscles; 15-D array; acoustic radio forced impulse (ARFI); anisotropy; fractional anisotropy; peak displacement (PD); row-column excitation
MeSH headings : Acoustics; Anisotropy; Mechanical Phenomena; Phantoms, Imaging; Transducers
TL;DR:
The results suggest that the array is capable of assessing DoA using PD ratio without physical rotation of the transducer and has the potential to reduce the misalignment errors for DoA assessment.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: March 27, 2021
2021 journal article
A multi-pillar piezoelectric stack transducer for nanodroplet mediated intravascular sonothrombolysis
ULTRASONICS, 116.
author keywords: Intravascular transducer; Sonothrombolysis; Nanodroplet; Piezoelectric stack; Small aperture
TL;DR:
The ND-mediated intravascular sonothrombolysis using MPPS transducers was demonstrated with an unprecedented lysis rate, which may offer a new clinical option for DVT treatments.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 16, 2021
2021 journal article
AlN Single Crystal Accelerometer for Nuclear Power Plants
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 68(6), 5346–5354.
author keywords: Aluminum nitride; Accelerometers; III-V semiconductor materials; Temperature sensors; Vibrations; Crystals; Bulk aluminum nitride (AlN); high-temperature (HT) accelerometer; high-temperature sensing; piezoelectric sensor; radiation effect
TL;DR:
A shear-type accelerometer with AlN single crystal plates is developed, which can be a promising option to monitor the structural integrity of nuclear power plant structures and undergo extensive validation under HT and gamma irradiation conditions.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: February 21, 2021
2021 journal article
Dual-Frequency Intravascular Sonothrombolysis: An In Vitro Study
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 68(12), 3599–3607.
author keywords: Transducers; Acoustics; Ultrasonic imaging; Frequency measurement; Frequency control; Impedance; Broadband communication; Dual-frequency thrombolysis; intravascular ultrasound transducer; passive cavitation; sonothrombolysis
MeSH headings : Acoustics; Contrast Media; Microbubbles; Transducers; Ultrasonic Therapy
TL;DR:
A new broadband intravascular transducer is developed and tests indicated that the MB-mediated, dual-frequency (750+500 kHz) sonothrombolysis yields an 85% higher lysis rate compared with the single-frequency treatment, and the lysis Rate increases with the difference between the two frequency components.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: November 24, 2021
2021 article
Intravascular Dual-frequency Ultrasound Transducer Using a Stack Composite
INTERNATIONAL ULTRASONICS SYMPOSIUM (IEEE IUS 2021).
author keywords: Intravascular transducer; dual-frequency thrombolysis; sonothrombolysis; ultrasound catheter
TL;DR:
An intravascular ultrasound transducer with a composite structure is reported, which can operate with the dual-frequency condition for enhancing the cavitation effect of infused contrast agents and showed a 34% improvement in the lysis rate when theDual-frequency excitation was applied with the nanodroplets infusion.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 15, 2022
2021 journal article
Laser ultrasonic defect localization using an omni-arrayed candle soot nanoparticle patch
JAPANESE JOURNAL OF APPLIED PHYSICS, 60(10).
author keywords: Laser ultrasonic; Omni-arrayed patch; NDTamp; amp; E; CSNP-PDMS
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: September 20, 2021
2021 journal article
Liquid metallic laser ultrasound transducer for high-temperature applications
APPLIED PHYSICS LETTERS, 118(18).
aip.scitation.org (publisher PDF)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
7. Affordable and Clean Energy
(OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: May 5, 2021
2021 journal article
Magneto-sonothrombolysis with combination of magnetic microbubbles and nanodroplets
ULTRASONICS, 116.
author keywords: Magnetic microbubbles; Magnetic nanoparticles; Nanodroplets; Sonothrombolysis; Cavitation
TL;DR:
It is demonstrated that tPA-mediated magneto-sonothrombolysis in combining NDs with MMBs could significantly enhance in vitro lysis of both unretracted clots and retracted clots in a flow model with 30 min treatment.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 23, 2021
2020 journal article
Adaptive signal decomposition and dispersion removal based on the matching pursuit algorithm using dispersion-based dictionary for enhancing damage imaging
ULTRASONICS, 103.
TL;DR:
This paper aims to develop a method for high-resolution damage imaging for a sparsely distributed sensor network on a plate-like structure by utilizing a matching pursuit algorithm to decompose overlapping wave packets and then recompress the dispersion.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: April 20, 2020
2020 journal article
Direct Acoustic Imaging Using a Piezoelectric Organic Light-Emitting Diode
ACS APPLIED MATERIALS & INTERFACES, 12(32), 36409–36416.
author keywords: ultrasonic sensor; piezoelectric; organic light emitting diode; acousto optic conversion; ultrasound tomography
TL;DR:
A novel ultrasonic imaging device that can optically display an acoustic signal on the surface of a piezoelectric transducer that is operated without a need for conventional signal processing is reported.
(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, NC State University Libraries
Added: September 14, 2020
2020 journal article
EXAMINING THE INFLUENCE OF LOW-DOSE TISSUE PLASMINOGEN ACTIVATOR ON MICROBUBBLE-MEDIATED FORWARD-VIEWING INTRAVASCULAR SONOTHROMBOLYSIS
ULTRASOUND IN MEDICINE AND BIOLOGY, 46(7), 1698–1706.
author keywords: Sonothrombolysis; Intravascular sonothrombolysis; Microbubble-mediated sonothrombolysis; Clot lysis; Tissue plasminogen activator
MeSH headings : Animals; Cattle; Combined Modality Therapy; Mechanical Thrombolysis / methods; Microbubbles / therapeutic use; Thrombolytic Therapy / methods; Thrombosis / drug therapy; Thrombosis / therapy; Tissue Plasminogen Activator / administration & dosage; Tissue Plasminogen Activator / therapeutic use; Ultrasonic Therapy / methods
TL;DR:
Changes in stable and inertial cavitation doses were observed, corresponding to changes in clot lysis in MB-mediated FVI sonothrombolysis with and without tPA.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: July 20, 2020
2020 journal article
Flexible 1–3 Composite Ultrasound Transducers With Silver-Nanowire-Based Stretchable Electrodes
IEEE Transactions on Industrial Electronics, 67(8), 6955–6962.
author keywords: 1-3 Piezo-composite transducer; biomedical transducer; flexibility; nondestructive testing; structural health monitoring (NDT; SHM); silver nanowires; polydimethylsiloxane (AgNW; PDMS) electrode
TL;DR:
The acoustic characterization suggests that the −6 dB fractional bandwidth and transmitting sensitivity of the prototyped transducer are promising for nondestructive testing, biomedical imaging, and therapy.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: ORCID
Added: May 9, 2020
2020 journal article
Miniaturized Intracavitary Forward-Looking Ultrasound Transducer for Tissue Ablation
IEEE Transactions on Biomedical Engineering, 1–1.
author keywords: Transducers; Acoustics; Ultrasonic imaging; Apertures; Heating systems; Impedance; Blood; Tissue ablation; intracavitary transducer; ultrasound therapy; hyperthermia; small aperture
MeSH headings : Acoustics; Animals; High-Intensity Focused Ultrasound Ablation; Swine; Temperature; Transducers; Ultrasonic Therapy; Ultrasonography
TL;DR:
Having a small aperture (2 mm), the miniaturized US transducer is a promising medical option for the precise tissue ablation, which can reduce the risk of unintended tissue damage found in noninvasive US treatments.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: June 19, 2020
2020 journal article
Stress Measurement of a Pressurized Vessel Using Ultrasonic Subsurface Longitudinal Wave With 1-3 Composite Transducers
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 67(1), 158–166.
author keywords: Transducers; Stress; Acoustics; Temperature sensors; Temperature measurement; Strain; Composite transducer; principal component regression (PCR); stress measurement; subsurface longitudinal (SSL)wave
TL;DR:
Results of stress sensing affirm a linear relationship between the time delay of SSL wave and the mechanical stress of a pressurized vessel and the regression model is constructed via principal component regression (PCR) under temperature-varying condition.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: January 21, 2020
2020 journal article
Stress-Sensing Method via Laser-Generated Ultrasound Wave Using Candle Soot Nanoparticle Composite
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 67(9), 1867–1876.
author keywords: Stress; Transducers; Sensors; Ultrasonic imaging; Temperature measurement; Signal to noise ratio; Monitoring; Candle soot nanoparticle (CSNP); laser-generated ultrasound (LGU); stress measurement; subsurface longitudinal (SSL) wave
TL;DR:
A semi-noncontact stress-sensing system using a laser-generated ultrasound (LGU) wave assisted by candle soot nanoparticle (CSNP) composite to potentiate the photoacoustic energy conversion that can be used to monitor the structural integrity of nuclear power plants is developed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
11. Sustainable Cities and Communities
(Web of Science)
Source: ORCID
Added: August 29, 2020
2019 journal article
Candle-Soot Carbon Nanoparticles in Photoacoustics Advantages and challenges for laser ultrasound transmitters
IEEE NANOTECHNOLOGY MAGAZINE, 13(3), 13–28.
TL;DR:
This article provides a review of candle-soot nanoparticle (CSNP) composite laser ultrasound transmitters (LUTs) and compares and contrasts this technology with other carbon-composite designs.
(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, NC State University Libraries
Added: June 17, 2019
2019 journal article
Narrow band photoacoustic lamb wave generation for nondestructive testing using candle soot nanoparticle patches
APPLIED PHYSICS LETTERS, 115(10).
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: September 30, 2019
2019 journal article
Sonothrombolysis with magnetic microbubbles under a rotational magnetic field
ULTRASONICS, 98, 62–71.
author keywords: Magnetic microbubbles; Magnetic nanoparticle; Thrombolysis; Sonothrombolysis; Cavitation
TL;DR:
A new method using the rotational magnetic field to trap and vibrate magnetic microbubbles at target clot region and then using an intravascular forward-looking ultrasound transducer to activate them acoustically significantly enhances in vitro lysis of blood clot.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 9, 2019
2019 article
Stress Measurement of a Pressurized Vessel Using Candle Soot Nanocomposite Based Photoacoustic Excitation
NONDESTRUCTIVE CHARACTERIZATION AND MONITORING OF ADVANCED MATERIALS, AEROSPACE, CIVIL INFRASTRUCTURE, AND TRANSPORTATION XIII, Vol. 10971.
author keywords: Stress sensing; photoacoustic; pressure vessel; laser generated ultrasound; candle soot; nanocomposite
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: September 30, 2019
2018 journal article
Enhanced damage imaging of a metallic plate using matching pursuit algorithm with multiple wavepaths
ULTRASONICS, 89, 84–101.
TL;DR:
The results of this study validate the proposed algorithm that multiple wavepaths can localize the damage with three to four piezoelectric wafers versus typical approaches employing only primary scattered waves.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
4. Quality Education
(OpenAlex)
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2017 article
Damage Imaging of an Isotropic Plate Using Matching Pursuit Algorithm
SENSORS AND SMART STRUCTURES TECHNOLOGIES FOR CIVIL, MECHANICAL, AND AEROSPACE SYSTEMS 2017, Vol. 10168.
author keywords: matching pursuit; damage imaging; Hann-window toneburst; piezoelectric wafer; Lamb wave
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
Employment
Updated: September 4th, 2022 08:27
2022 - present
Inha University Incheon, KR
Assistant Professor
Mechanical Engineering
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