Isabel Newsome

College of Engineering

Works (4)

Updated: July 5th, 2023 14:34

2022 journal article

A Handheld Imaging Probe for Acoustic Angiography With an Ultrawideband Capacitive Micromachined Ultrasonic Transducer (CMUT) Array

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 69(7), 2318–2330.

By: J. Sanders n, A. Biliroglu n, I. Newsome n, O. Adelegan n, F. Yamaner  n, P. Dayton n, O. Oralkan n 

author keywords: Probes; Imaging; Acoustics; Bandwidth; Angiography; Frequency control; Electrodes; Acoustic angiography (AA); alternate amplitude modulation (aAM); capacitive micromachined ultrasonic transducer (CMUT); glass substrate; handheld ultrasound probe; harmonic ultrasound imaging; ultrawideband (UWB) array
MeSH headings : Angiography; Equipment Design; Transducers; Ultrasonics; Ultrasonography / methods
TL;DR: An imaging probe with a 256-element ultrawideband (UWB) 1-D capacitive micromachined ultrasonic transducer (CMUT) array designed for acoustic angiography (AA) demonstrates the suitability of the UWB CMUT for AA. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: July 1, 2022

2021 journal article

Characterization of an Array-Based Dual-Frequency Transducer for Superharmonic Contrast Imaging

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 68(7), 2419–2431.

By: J. Yang *, E. Cherin *, J. Yin *, I. Newsome n, T. Kierski n, G. Pang*, C. Carnevale*, P. Dayton n, F. Foster *, C. Demore *

author keywords: Imaging; Transducers; Probes; Harmonic analysis; Acoustics; Acoustic arrays; Ultrasonic imaging; Acoustic angiography; array transducer; dual-frequency (DF); microbubble (MB) contrast agents; superharmonic imaging
MeSH headings : Angiography; Animals; Contrast Media; Mice; Microbubbles; Phantoms, Imaging; Transducers; Ultrasonography
TL;DR: In vitro contrast channel phantom imaging and in vivo xenograft mouse tumor imaging by this probe with superharmonic imaging showed contrast-to-tissue ratio improvements, compared to line-by-line micro-ultrasound B-mode imaging. (via Semantic Scholar)
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Source: Web Of Science
Added: July 12, 2021

2021 journal article

Implementation of a Novel 288-Element Dual-Frequency Array for Acoustic Angiography: In Vitro and In Vivo Characterization

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 68(8), 2657–2666.

By: I. Newsome n, T. Kierski n, G. Pang*, J. Yin *, J. Yang *, E. Cherin *, F. Foster *, C. Carnevale*, C. Demore *, P. Dayton n

author keywords: Imaging; Acoustics; Angiography; Transducers; Frequency measurement; Ultrasonic imaging; In vitro; Acoustic angiography; contrast agent; dual-frequency (DF); microbubbles; microvasculature; superharmonic
MeSH headings : Acoustics; Angiography; Contrast Media; Transducers; Ultrasonography
TL;DR: This work presents a system for performing acoustic angiography with a novel dual-frequency DF transducer—a coaxially stacked DF array (DFA), and evaluates the system both in vitro and in vivo and demonstrates improvements in sensitivity and imaging depth up to 13.1 dB and 10 mm, respectively, compared with previous wobbler probes. (via Semantic Scholar)
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Source: Web Of Science
Added: August 9, 2021

2020 review

VISUALIZATION OF MICROVASCULAR ANGIOGENESIS USING DUAL-FREQUENCY CONTRAST-ENHANCED ACOUSTIC ANGIOGRAPHY: A REVIEW

[Review of ]. ULTRASOUND IN MEDICINE AND BIOLOGY, 46(10), 2625–2635.

By: I. Newsome n & P. Dayton n

author keywords: Ultrasound; Microbubbles; Contrast agent; Angiography; Angiogenesis; Microvasculature
MeSH headings : Acoustics; Angiography / methods; Angiography / trends; Animals; Contrast Media; Forecasting; Humans; Microvessels / diagnostic imaging; Neoplasms / blood supply; Neoplasms / diagnostic imaging; Neovascularization, Pathologic / diagnostic imaging; Ultrasonography
TL;DR: This review describes the development of acoustic angiography, including the principle, transducer design, and optimization of superharmonic imaging techniques, and details several preclinical applications of this microvascular imaging method. (via Semantic Scholar)
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Source: Web Of Science
Added: September 28, 2020

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