Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Douglas N. Stephens"'
Autor:
Robert Wodnicki, Haochen Kang, Di Li, Douglas N. Stephens, Hayong Jung, Yizhe Sun, Ruimin Chen, Lai-Ming Jiang, Nestor E. Cabrera-Munoz, Josquin Foiret, Qifa Zhou, Katherine W. Ferrara
Publikováno v:
BME Frontiers, Vol 2022 (2022)
Externí odkaz:
https://doaj.org/article/0da27e4260a442ada3c3d2a09d3ec732
Autor:
Robert Wodnicki, Haochen Kang, Di Li, Douglas N. Stephens, Hayong Jung, Yizhe Sun, Ruimin Chen, Lai-Ming Jiang, Nestor E. Cabrera-Munoz, Josquin Foiret, Qifa Zhou, Katherine W. Ferrara
Publikováno v:
BME Frontiers, Vol 2022 (2022)
Large aperture ultrasonic arrays can be implemented by tiling together multiple pretested modules of high-density acoustic arrays with closely integrated multiplexing and buffering electronics to form a larger aperture with high yield. These modular
Externí odkaz:
https://doaj.org/article/e3f4585bd2b34244818df4ec9f0d1667
Autor:
Hanna, Bendjador, Josquin, Foiret, Robert, Wodnicki, Douglas N, Stephens, Zoe, Krut, Eun-Yeong, Park, Zulma, Gazit, Dan, Gazit, Gadi, Pelled, Katherine W, Ferrara
Publikováno v:
Theranostics. 12:4949-4964
Microbubble contrast agents are a diagnostic tool with broad clinical impact and an increasing number of indications. Many therapeutic applications have also been identified. Yet, technologies for ultrasound guidance of microbubble-mediated therapy a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b90fc41512682d47f2a22e2b9410fdb
https://doi.org/10.7150/thno.71221
https://doi.org/10.7150/thno.71221
Autor:
Douglas N. Stephens, Robert Gideon Wodnicki, Ruimin Chen, Victoria Chiu, Qifa Zhou, Katherine W. Ferrara, Yu Liu, Hayong Jung, Nestor E. Cabrera-Munoz, Josquin Foiret, Laiming Jiang, Haochen Kang
Publikováno v:
IEEE Trans Ultrason Ferroelectr Freq Control
Tiled modular 2-D ultrasound arrays have the potential for realizing large apertures for novel diagnostic applications. This work presents an architecture for fabrication of tileable 2-D array modules implemented using 1–3 composites of high-bandwi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4b44c4fa999c6be4795497ed951755d
https://doi.org/10.1109/tuffc.2019.2944668
https://doi.org/10.1109/tuffc.2019.2944668
Autor:
Yizhe Sun, Haochen Kang, Robert Gideon Wodnicki, Douglas N. Stephens, Ruimin Chen, Josquin Foiret, Katherine W. Ferrara, Qifa Zhou, Runze Li
Publikováno v:
2020 IEEE International Ultrasonics Symposium (IUS).
In a significant proportion of patients screened for Hepatocellular Carcinoma (HCC) using ultrasound the quality of images obtained is below the requirements for diagnostic classification. Detection of small, low contrast lesions is impaired in patie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::441e186692bdc5b04fadcdd9a1667bf7
https://doi.org/10.1109/ius46767.2020.9251567
https://doi.org/10.1109/ius46767.2020.9251567
Autor:
Robert Gideon Wodnicki, L.-M. Liang, Douglas N. Stephens, Ruimin Chen, K. Morrison, Katherine W. Ferrara, Qifa Zhou
Publikováno v:
Ultrasonics
The computation of the electromechanical coupling coefficient (EMCC) of a fully assembled medical ultrasound transducer array is directly computed with closed form expressions. The Levenberg-Marquardt non-linear regression algorithm (LMA) is employed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3fa72e4b903813ab36e5188c8fa6dbc
https://pubmed.ncbi.nlm.nih.gov/33011614
https://pubmed.ncbi.nlm.nih.gov/33011614
Autor:
Douglas N. Stephens, Ruimin Chen, Laiming Jiang, Hayong Jong, Haochen Kang, Qifa Zhou, Yizhe Sun, Di Li, Robert Gideon Wodnicki, Zeyu Chen, Josquin Foiret, Victoria Chiu, Katherine W. Ferrara, Yu Liu
Publikováno v:
2019 IEEE International Ultrasonics Symposium (IUS).
Tiled large aperture 1.75D/2D transducer arrays with closely integrated ASIC electronics have the potential for implementing high channel count ultrasound probes for novel applications, however they must have high yield for a large number of elements
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69b9f3197716678e36569ce6d7cd2f84
https://doi.org/10.1109/ultsym.2019.8925552
https://doi.org/10.1109/ultsym.2019.8925552
Autor:
Zeyu Chen, Josquin Foiret, Douglas N. Stephens, Nestor E. Cabrera-Munoz, Ruimin Chen, Rui Zhang, Robert Gideon Wodnicki, Haochen Kang, Laiming Jiang, Katherine Ferrera, Victoria Chiu, Hayong Jung, Jayesh Vasudeva Adhikari, Yu Liu, Qifa Zhou
Publikováno v:
2018 IEEE International Ultrasonics Symposium (IUS).
Tiled modular 2D ultrasound arrays have the potential for realizing large apertures for novel diagnostic applications. Here we present the results of recent work for fabrication of a tileable 2D array module implemented using a 1–3 composite of hig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::606ad3a865e0c63e1e444f7073b56c96
https://doi.org/10.1109/ultsym.2018.8579640
https://doi.org/10.1109/ultsym.2018.8579640
Autor:
K. Morrison, Qifa Zhou, Katherine W. Ferrara, Robert Gideon Wodnicki, L. M. Liang, Douglas N. Stephens, Ruimin Chen
Publikováno v:
2018 IEEE International Ultrasonics Symposium (IUS).
The calculation of electromechanical coupling coefficient (EMCC)used in KLM models of fully assembled transducers is generally an imprecise estimate which is derived from standardized element geometries and assumptions regarding ideal boundary loadin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c44f283d2e15e5b9436db423246698d2
https://doi.org/10.1109/ultsym.2018.8580004
https://doi.org/10.1109/ultsym.2018.8580004
Publikováno v:
Optics letters, vol 43, iss 15
Cerenkov luminescence imaging (CLI) is an optical technique for imaging radiolabeled molecules in vivo. It has demonstrated utility in both the clinical and preclinical settings and can serve as a substitute for nuclear imaging instrumentation in som
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e36fe40972539d78c6e1c0b44762661
https://pubmed.ncbi.nlm.nih.gov/30067696
https://pubmed.ncbi.nlm.nih.gov/30067696