Advanced Self Powered Systems of Sensors and Technologies Center
Works Published in 2009
Displaying works 21 - 40 of 63 in total
Sorted by most recent date added to the index first, which may not be the same as publication date order.
2009 journal article
Spin transfer torque switching of magnetic tunnel junctions using a conductive atomic force microscope
Applied Physics Letters, 95(13), 132510.
semanticscholar.org (repository)
Source: Crossref
Added: August 28, 2020
2009 journal article
Measuring oxygen, carbon monoxide and hydrogen sulfide diffusion coefficient and solubility in Nafion membranes
Electrochimica Acta, 54(27), 6850–6860.
author keywords: Carbon monoxide; Hydrogen sulfide; Oxygen; Diffusion; Solubility; Nafion; Electrochemical monitoring technique
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: Crossref
Added: August 28, 2020
2009 journal article
Modeling study of thermoelectric SiGe nanocomposites
Physical Review B, 80(15).
Source: Crossref
Added: June 15, 2019
2009 journal article
Increased Phonon Scattering by Nanograins and Point Defects in Nanostructured Silicon with a Low Concentration of Germanium
Physical Review Letters, 102(19).
Source: Crossref
Added: June 15, 2019
2009 journal article
Insect–Machine Interface Based Neurocybernetics
IEEE Transactions on Biomedical Engineering, 56(6), 1727–1733.
author keywords: Bioelectric; cyborgs; flight control; implantable electrodes; insects; metamorphosis; neural implants; neuromuscular
MeSH headings : Animals; Behavior, Animal / physiology; Cybernetics / instrumentation; Cybernetics / methods; Electrodes, Implanted; Flight, Animal / physiology; Manduca / physiology; Materials Testing; Metamorphosis, Biological; Muscle Contraction / physiology; Muscles / physiology; Signal Processing, Computer-Assisted; Wings, Animal / physiology
TL;DR:
The bioelectronic interface formed by placing microfabricated probes into insect during metamorphic growth cycles enables multidisciplinary scientific and engineering studies not only to investigate the details of insect behavioral physiology but also to control it.
(via Semantic Scholar)
Source: Crossref
Added: June 14, 2019
2009 conference paper
Challenges of solder bumping capacitive micro-machined ultrasonic transducer (cMUT) trenched devices
Proceedings of SMTA International Conference & Exhibition, 1–11.
Source: NC State University Libraries
Added: April 24, 2019
2009 conference paper
Photoacoustic molecular imaging using single walled carbon nanotubes in living mice
In A. A. Oraevsky & L. V. Wang (Eds.), Photons Plus Ultrasound: Imaging and Sensing 2009.
Ed(s): A. Oraevsky & L. Wang
Event: SPIE BiOS: Biomedical Optics
TL;DR:
The utility of single walled carbon nanotubes (SWNTs) as targeted imaging agents in living mice bearing tumor xenografts is demonstrated for the first time.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 24, 2019
2009 conference paper
Enhanced sensitivity carbon nanotubes as targeted photoacoustic molecular imaging agents
In A. A. Oraevsky & L. V. Wang (Eds.), Photons Plus Ultrasound: Imaging and Sensing 2009.
Ed(s): A. Oraevsky & L. Wang
Event: SPIE BiOS: Biomedical Optics
TL;DR:
This work lays the foundations for future in-vivo studies that will use the SWNT-ICG particles as imaging agents administered systemically, and shows great promise for high sensitivity photoacoustic imaging of molecular targets in- vivo.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 24, 2019
2009 conference paper
A Low-Noise Oscillator based on a Multi-Membrane CMUT for High Sensitivity Resonant Chemical Sensors
2009 IEEE 22nd International Conference on Micro Electro Mechanical Systems. Presented at the 2009 IEEE 22nd International Conference on Micro Electro Mechanical Systems (MEMS).
Event: 2009 IEEE 22nd International Conference on Micro Electro Mechanical Systems (MEMS)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 24, 2019
2009 conference paper
A family of intracardiac ultrasound imaging devices designed for guidance of electrophysiology ablation procedures
2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society. Presented at the 2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society.
Event: 2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society
MeSH headings : Adult; Aged; Animals; Atrial Fibrillation / diagnostic imaging; Atrial Fibrillation / epidemiology; Body Surface Potential Mapping / instrumentation; Cardiac Catheterization / instrumentation; Cardiac Catheterization / methods; Electrophysiologic Techniques, Cardiac; Equipment Design; Heart Atria / diagnostic imaging; Humans; Middle Aged; Models, Animal; Pulmonary Veins / diagnostic imaging; Swine; Ultrasonography, Interventional / classification; Ultrasonography, Interventional / instrumentation; United States / epidemiology
TL;DR:
The authors' Bioengineering Research Partnership grant, ldquoHigh Frequency Ultrasound Arrays for Cardiac Imagingrdquo, is in its sixth year of NIH funding, having proposed to develop a family of high frequency miniaturized forward and side-looking ultrasound imaging devices equipped with electrophysiology mapping and localization sensors.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 24, 2019
2009 conference paper
Forward-looking volumetric intracardiac imaging using a fully integrated CMUT ring array
2009 IEEE International Ultrasonics Symposium. Presented at the 2009 IEEE International Ultrasonics Symposium.
Event: 2009 IEEE International Ultrasonics Symposium
TL;DR:
The presented experimental results demonstrate the performance of the forward-looking volumetric intracardiac imaging approach and acquire a PC-based real-time imaging platform and demonstrated real- time imaging with the ring array.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 24, 2019
2009 conference paper
A 2D CMUT hydrophone array: Characterization results
2009 IEEE International Ultrasonics Symposium. Presented at the 2009 IEEE International Ultrasonics Symposium.
Event: 2009 IEEE International Ultrasonics Symposium
Sources: Crossref, NC State University Libraries
Added: March 24, 2019
2009 conference paper
Multi-row linear cMUT array using cMUTs and multiplexing electronics
2009 IEEE International Ultrasonics Symposium. Presented at the 2009 IEEE International Ultrasonics Symposium.
Event: 2009 IEEE International Ultrasonics Symposium
TL;DR:
The challenges of trenched cMUT attach to a laminate interposer as part of aTileable module will be discussed and the architecture of the tileable module build-up for manufacturability, reliability, acoustic planarity, and reduced spacing between tiles and cM UT chips will be addressed.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 24, 2019
2009 journal article
Particle-localized AC and DC manipulation and electrokinetics
Annual Reports on the Progress of Chemistry - Section C, 105, 213–246.
Contributors: O. Velev n , S. Gangwal n & D. Petsev *
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Source: ORCID
Added: March 21, 2019
2009 journal article
Wafer-bonded 2-D CMUT arrays incorporating through-wafer trench-isolated interconnects with a supporting frame
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 56(1), 182–192.
MeSH headings : Air; Electric Impedance; Equipment Design; Fourier Analysis; Micro-Electrical-Mechanical Systems / instrumentation; Phantoms, Imaging; Silicon / chemistry; Soybean Oil / chemistry; Transducers; Ultrasonography / instrumentation
TL;DR:
This study shows that through-wafer trench-isolation with a supporting frame is a viable solution for providing electrical interconnects to CMUT elements and that 2-D arrays fabricated using wafer-bonding deliver good performance.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 18, 2019
2009 journal article
Experimental Studies With a 9F Forward-Looking Intracardiac Imaging and Ablation Catheter
Journal of Ultrasound in Medicine, 28(2), 207–215.
author keywords: ablation; electrophysiology; interventional guidance; intracardiac ultrasound array; miniaturized
MeSH headings : Animals; Catheter Ablation / instrumentation; Catheter Ablation / methods; Echocardiography / instrumentation; Echocardiography / methods; Equipment Design; Equipment Failure Analysis; Heart Atria / diagnostic imaging; Heart Atria / surgery; Heart Ventricles / diagnostic imaging; Heart Ventricles / surgery; Reproducibility of Results; Sensitivity and Specificity; Swine; Transducers
TL;DR:
The forward‐looking intracardiac catheter has been adapted to work easily on an existing commercial imaging platform with very minor software modifications and is capable of both low‐artifact ablation imaging on a standard clinical imaging system and high–frame rate myocardial wall strain rate imaging for detecting changes in cardiac mechanics associated with ablation.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 18, 2019
2009 journal article
Next-gen ultrasound
IEEE Spectrum, 46(5), 44–54.
TL;DR:
Pregnant ultrasound images serve a serious purpose and can prove immensely important, as when they allow doctors to diagnose and sometimes even repair a congenital malformation while the baby is still in the womb.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 18, 2019
2009 journal article
Minimally Redundant 2-D Array Designs for 3-D Medical Ultrasound Imaging
IEEE Transactions on Medical Imaging, 28(7), 1051–1061.
author keywords: Beamforming; biomedical ultrasonics; image reconstruction; phased arrays; ultrasonic imaging
MeSH headings : Algorithms; Computer Simulation; Image Processing, Computer-Assisted / methods; Imaging, Three-Dimensional / methods; Transducers; Ultrasonography / methods
TL;DR:
Four reduced redundancy 2-D array configurations for miniature 3-D ultrasonic imaging systems are explored and theoretical and simulated point spread functions of the array configurations are presented along with quantitative comparison in terms of the front-end complexity and image quality.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 18, 2019
2009 journal article
An integrated circuit with transmit beamforming flip-chip bonded to a 2-D CMUT array for 3-D ultrasound imaging
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 56(10), 2145–2156.
MeSH headings : Echocardiography; Electronics, Medical / instrumentation; Equipment Design; Imaging, Three-Dimensional / instrumentation; Imaging, Three-Dimensional / methods; Phantoms, Imaging; Transducers; Ultrasonography / instrumentation; Ultrasonography / methods
TL;DR:
It is shown that the IC can produce steered and focused ultrasound beams, and a combined IC and transducer array can lead to a portable, high-performance, and inexpensive 3-D ultrasound imaging system.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 18, 2019
2009 journal article
Three-dimensional photoacoustic imaging using a two-dimensional CMUT array
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 56(11), 2411–2419.
MeSH headings : Computer-Aided Design; Elasticity Imaging Techniques / instrumentation; Equipment Design; Equipment Failure Analysis; Feasibility Studies; Imaging, Three-Dimensional / instrumentation; Reproducibility of Results; Sensitivity and Specificity; Transducers
TL;DR:
Using a 2-D array of capacitive micromachined ultrasonic transducers (CMUTs) to perform 3-D photoacoustic and acoustic imaging using a tunable optical parametric oscillator laser system that generates nanosecond laser pulses was used to induce the photoac acoustic signals.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 18, 2019
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