Advanced Self Powered Systems of Sensors and Technologies Center
Works Published in 2021
Displaying works 21 - 40 of 222 in total
Sorted by most recent date added to the index first, which may not be the same as publication date order.
2021 journal article
Molecular Conformation in Charge Tunneling across Large-Area Junctions
Journal of the American Chemical Society, 8.
TL;DR:
Results from open chain and cyclic head groups show that, as expected, distribution in tunneling data correlates with the orientation of the head group, akin to the odd-even effect and more importantly the degree of conformational freedom, but fluctuates with applied bias.
(via Semantic Scholar)
lib.dr.iastate.edu (repository)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions
(OpenAlex)
Source: ORCID
Added: August 3, 2022
2021 journal article
Frontispiece: Tunable Hydrophobicity via Dimensionally Confined Polymerization of Organometallic Adducts
Angewandte Chemie International Edition, 60(25).
Source: ORCID
Added: August 3, 2022
2021 journal article
Stabilization of Undercooled Metals via Passivating Oxide Layers
Angewandte Chemie, 133(11), 5993–6000.
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: August 3, 2022
2021 journal article
Passivation-driven speciation, dealloying and purification
Materials Horizons.
MeSH headings : Alloys; Oxidation-Reduction; Oxides; X-Ray Diffraction
TL;DR:
It is demonstrated that engineering the passivating surface oxide can lead to purification via selective dealloying with concomitant enrichment of the core, leading to disparate particle morphologies.
(via Semantic Scholar)
Source: ORCID
Added: August 3, 2022
2021 journal article
Biobased superhydrophobic coating enabled by nanoparticle assembly
Nanoscale Advances, 3(14), 4037–4047.
Source: ORCID
Added: August 3, 2022
2021 journal article
Stabilization of Undercooled Metals via Passivating Oxide Layers
Angewandte Chemie International Edition, 60(11), 5928–5935.
author keywords: energy landscape; inductive effect; metastability; phase transformation; stable undercooling
TL;DR:
It is demonstrated that the integrity of the passivation oxide is critical in stabilizing undercooled particle, a key tenet in developing heat-free solders, that inductive effects play a critical role in undercooling, and that magnitude of the effect of thepassivating oxide can be larger that of size in under cooling.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: August 3, 2022
2021 journal article
Titelbild: Stabilization of Undercooled Metals via Passivating Oxide Layers (Angew. Chem. 11/2021)
Angewandte Chemie, 133(11), 5633–5633.
Source: ORCID
Added: August 3, 2022
2021 journal article
Cover Picture: Stabilization of Undercooled Metals via Passivating Oxide Layers (Angew. Chem. Int. Ed. 11/2021)
Angewandte Chemie International Edition.
Source: ORCID
Added: August 3, 2022
2021 journal article
The Endless and Turbulent Frontier of Academic Entrepreneurship
ACS Nano.
UN Sustainable Development Goal Categories
8. Decent Work and Economic Growth
(OpenAlex)
Source: ORCID
Added: August 3, 2022
2021 article
SPICE Modeling and CMOS Circuit Development of a SiC Power IC Technology
2021 IEEE INTERNATIONAL MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS (MWSCAS), pp. 966–969.
author keywords: SiC ICs; CMOS design in SiC; Power ICs; SPICE modeling
TL;DR:
With the developed SPICE models, this technology enables the design of application specific integrated circuits (ASICs) in SiC, such as fully integrated high-voltage SiC power converters that can work in high temperature and radioactive environments.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science)
Source: Web Of Science
Added: May 16, 2022
2021 article
Development of Isolated CMOS and HV MOSFET on an N- epi/P- epi/4H-SiC N+ Substrate for Power IC Applications
2021 IEEE 8TH WORKSHOP ON WIDE BANDGAP POWER DEVICES AND APPLICATIONS (WIPDA), pp. 118–122.
author keywords: 4H-SiC; lateral MOSFET; RESURF; CMOS; Power IC
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science)
Source: Web Of Science
Added: May 10, 2022
2021 article
Ultrasound Imaging-Guided Microbubble-Mediated Catheter-Directed Sonothrombolysis: An In-Vitro Study
2021 IEEE 16TH NANOTECHNOLOGY MATERIALS AND DEVICES CONFERENCE (NMDC 2021).
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: Web Of Science
Added: May 2, 2022
2021 article
Ultrasound and Magnetic Dual-Mode Stacked Transducer for High-Frequency Magneto- Sonothrombolysis
2021 IEEE 16TH NANOTECHNOLOGY MATERIALS AND DEVICES CONFERENCE (NMDC 2021).
author keywords: microbubbles; magnetic nanoparticle; ultrasound transducer; sonothrombolysis
TL;DR:
The results showed that the combined effects of localized hyperthermia from the high-frequency oscillation of SPIONs and mechanical shock waves from ultrasound could effectively enhance the tPA-mediated sonothrombolysis efficacy.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: May 2, 2022
2021 article
Miniaturized Dual-Mode Intravascular Transducer for Sonothrombolysis
2021 IEEE 16TH NANOTECHNOLOGY MATERIALS AND DEVICES CONFERENCE (NMDC 2021).
author keywords: laser ultrasound; carbon nanoparticles; ultrasound transducer; sonothrombolysis; catheter ultrasound
TL;DR:
A miniaturized dual-mode ultrasound transducer with piezoelectric stacks and a laser ultrasoundTransducer is presented, which combines a low-frequency tone burst sonication and a high-frequency laser ultrasound pulse excitation to achieve intravascular sonothrombolysis with enhanced thrombectomy efficiency and safety.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science; OpenAlex)
Source: Web Of Science
Added: May 2, 2022
2021 article
Observation of the Domain Morphology of Pb(Mg1/3Nb2/3)O-3-xPbTiO(3) Single Crystals
2021 IEEE 16TH NANOTECHNOLOGY MATERIALS AND DEVICES CONFERENCE (NMDC 2021).
author keywords: DCP; PMN-PT; domain morphology; PFM
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science)
Source: Web Of Science
Added: May 2, 2022
2021 article
Novel 3D-printed Electrodes for Implantable Biopotential Monitoring
2021 43RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY (EMBC), pp. 7120–7123.
MeSH headings : Animals; Electric Conductivity; Electrodes; Equipment Design; Humans; Printing, Three-Dimensional; Prostheses and Implants
TL;DR:
A novel 3D-printing process to integrate conductive metal surfaces on a low-temperature co-fired ceramic base to be deployed as electrodes for electrocardiography (ECG) implants for small animals and simultaneous recording with a commercial device validated the measurements, demonstrating promising accuracy in heart rate and breathing rate monitoring.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: April 25, 2022
2021 conference paper
Ultrasound Echogenicity-based Assessment of Muscle Fatigue During Functional Electrical Stimulation
2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), 5948–5952.
Contributors: Q. Zhang* , A. Iyer*, K. Lambeth*, K. Kim * & N. Sharma*
Event: 43rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society at Mexico on November 1-5, 2021
MeSH headings : Electric Stimulation; Electromyography; Humans; Isometric Contraction; Muscle Fatigue; Ultrasonography
TL;DR:
The findings indicate that US echogenicity may be a promising computationally efficient indicator for assessing FES-induced muscle fatigue and may aid in the design of muscle-in-the-loop FES controllers that consider the onset of muscle fatigue.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 25, 2022
2021 article
Investigating the Relationship between Cough Detection and Sampling Frequency for Wearable Devices
2021 43RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY (EMBC), pp. 7103–7107.
MeSH headings : Algorithms; Cough / diagnosis; Humans; Neural Networks, Computer; Reproducibility of Results; Wearable Electronic Devices
TL;DR:
This paper presents a new cough detection technique and preliminary analysis on the trade-off between detection accuracy and obfuscation of speech for privacy, and indicates that, using a publicly available dataset, it can sample signals at 750 Hz while still maintaining a sensitivity above 90%, suggested to be sufficient for clinical monitoring.
(via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 25, 2022
2021 article
Preliminary Evaluation of a Solar-Powered Wristband for Continuous Multi-Modal Electrochemical Monitoring
2021 43RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY (EMBC), pp. 7316–7319.
MeSH headings : Electric Power Supplies; Humans; Solar Energy; Sweat; Wearable Electronic Devices; Wrist
TL;DR:
The presented solar-powered wearable system enables continuous wireless multi-modal electrochemical monitoring for uninterrupted sensing of metabolic biomarkers in sweat while harvesting energy from indoor lighting or sunlight.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
7. Affordable and Clean Energy
(OpenAlex)
Source: Web Of Science
Added: April 25, 2022
2021 journal article
Toward Automated Analysis of Fetal Phonocardiograms: Comparing Heartbeat Detection from Fetal Doppler and Digital Stethoscope Signals
2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), 975–979.
Event: 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC) at Mexico on November 1-5, 2021
MeSH headings : Female; Fetal Monitoring; Heart Rate; Humans; Neural Networks, Computer; Pregnancy; Signal Processing, Computer-Assisted; Stethoscopes
TL;DR:
This work implemented two neural network architectures for heartbeat detection on a set of fetal phonocardiogram signals captured using fetal Doppler and a digital stethoscope, and shows a Convolutional Neural Network is the most efficient at identifying the S1 waveforms in a heartbeat.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 25, 2022
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