UNT Scholarly Works - 121 Matching Results
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- A 2.53 NEF 8-bit 10 kS/s 0.5 µm CMOS Neural Recording Read-Out Circuit with High Linearity for Neuromodulation Implants
- This article presents a power-efficient complementary metal-oxide-semiconductor (CMOS) neural signal-recording read-out circuit for multichannel neuromodulation implants.
- 2013 Research Experience for Teachers - Robotics
- Presentation for the 2013 Research Experiences for Teachers (RET) project. This presentation discusses a research project on robotics involving multi-sensor robotics and potential uses for robotic communication.
- 3D-printed and injection molded polymer matrix composites with 2D layered materials
- This article reports on a study where 2D TMDs (MoS₂ and WS₂) and the 3D allotrope of carbon and graphite were incorporated into acrylonitrile butadiene styrene (ABS) and polyethylene terephthalate glycol (PETG) matrices in order to form polymer matrix composites (PMCs). The multipronged analysis described in this study was motivated by the purpose to fuse together topics of low-cost, additive manufacturing with 2D layered materials, and studying their ensuing mechanical and tribological properties.
- Aberturas del dosel y espectro de la luz en el sotobosque de una selva nublada andina de Venezuela
- Article on canopy gaps and understory light spectrum in a Venezuelan Andean cloud forest.
- Adaptación de un modelo de claros para el estudio de la dinámica de un bosque estacional en los llanos occidentales de Venezuela
- Article discussing the adaptation of a gap model to the study of the dynamics of a seasonal forest in the western plains of Venezuela.
- Advanced Air Mobility Operation and Infrastructure for Sustainable Connected eVTOL Vehicle
- Article discusses how advanced air mobility (AAM) is an emerging sector in aviation aiming to offer secure, efficient, and eco-friendly transportation utilizing electric vertical takeoff and landing (eVTOL) aircraft. This paper introduces a novel concept addressing future flight challenges and proposes a framework for integrating operations, infrastructure, connectivity, and ecosystems in future air mobility.
- Advancing Reverse Electrowetting-on-Dielectric from Planar to Rough Surface Electrodes for High Power Density Energy Harvesting
- Article presenting electrical and multiphysics-based modeling approaches of REWOD energy harvester using structured rough surface electrodes. By enhancing the overall available surface area, an increase in the overall capacitance is achieved.
- Algunos criterios para el establecimiento de prioridades de investigacion en el eje fluvial Orinoco-Apure
- This report reflects the efforts of the Office of the Orinoco-Apure Project to define an environmental policy based research delineating priority areas of research and identification of potential environmental impacts of the project.
- An Analysis of the Habitat of the Greater One-Horned Rhinoceros Rhinoceros Unicornis (Mammalia: Perissodactyla: Rhinocerotidae) at the Chitwan National Park, Nepal
- This article uses geographic information systems and landscape-level data obtained from remote sensing sources to build a habitat suitability index model for the Greater One-horned Rhinoceros.
- Analyzing influence of COVID-19 on crypto & financial markets and sentiment analysis using deep ensemble model
- Article describes how COVID-19 affected the world's economy severely and increased the inflation rate in both developed and developing countries. This study performs an analysis of the impact of COVID-19 on public opinion and sentiments regarding the financial markets and crypto markets.
- Applications of Logic Flowcharting With a Focus in Autonomous Robotic Operations
- This poster discusses research on applications of logic flowcharting with a focus in autonomous robotic operations.
- Applications of Logic Flowcharting With a Focus in Autonomous Robotic Operations
- This report discusses research on applications of logic flowcharting with a focus in autonomous robotic operations. This research project is part of Research Experiences for Teachers (RET) in Sensor Networks, a National Science Foundation (NSF) funded grant project.
- Applications of wireless sensors in monitoring Indoor Air Quality in the classroom environment
- This report discusses research on applications of wireless sensors in monitoring Indoor Air Quality (IAQ) in the classroom environment. The research focuses on IAQ monitoring technologies, government regulations and policies, and best practices to improve IAQ. This research is part of Research Experiences for Teachers (RET) in Sensor Education, a National Science Foundation (NSF) funded grant project.
- Applications of wireless sensors in monitoring Indoor Air Quality in the classroom environment [Poster]
- This poster discusses applications of wireless sensors in monitoring indoor air quality in the classroom environment. The focus of this research project was to investigate Indoor Air Quality monitoring technologies, government regulations and policies, and best practices to improve IAQ.
- Assessing potential impacts of CO2 - and deforestation - induced climate change on maize and black bean in Venezuela
- Article on assessing potential impacts of CO2 and deforestation induced climate change on maize and black bean in Venezuela.
- Biocompatible, large-format, inkjet printed heterostructure molybdenum disulfide-graphene photodetectors on conformable substrates
- This article describes an inkjet printed, biocompatible, heterostructure photodetector that was constructed using inks of photo-active molybdenum disulfide (MoS2) and electrically conducting graphene which facilitated charge collection of the photocarriers. The importance of such devices stems from their potential utility in age-related-macular degeneration, which is a condition where the photosensitive retinal tissue degrades with aging, eventually compromising vision. The absence of effective therapeutic remedies for patients with this disorder has motivated the development of such devices to restore some degree of visual function.
- Breaking the MDS-PIR Capacity Barrier via Joint Storage Coding
- Paper explores the possibility of the capacity of private information retrieval (PIR) from databases coded using maximum distance separable (MDS) codes to be broken through joint encoding and storage of messages.
- Bringing real world applications for wireless sensor networks into the classroom: Telemetric monitoring of water quality in an artificial stream [2012]
- This report discusses research on aquatic sensors and telemetric monitoring of water quality in an artificial stream with the use of a wireless sensor networks (WSN) using the ZigBee protocol to remotely monitor an artificial aquatic ecosystem. This research is part of Research Experiences for Teachers (RET) in Sensor Education, a National Science Foundation (NSF) funded grant project.
- Bringing real world applications for wireless sensor networks into the classroom: Telemetric monitoring of water quality in an artificial stream [2012: Poster]
- This poster discusses research on bringing real world applications for wireless sensor networks into the classroom and covers the use of a wireless sensor network (WSN) using the ZigBee protocol to remotely monitor an artificial aquatic ecosystem.
- Bringing real world applications for wireless sensor networks into the classroom: Telemetric monitoring of water quality in an artificial stream [2013: Poster]
- This poster discusses research on bringing real world applications for wireless sensor networks into the classroom in the context of telemetric monitoring of water quality in an artificial stream.
- Cache-Aided General Linear Function Retrieval
- This article designs a novel coded caching scheme that outperforms uncoded caching schemes that either use unicast transmissions or let each user recover all files in the library. It extends the scope of the authors’ past work that only considered the class of linear functions that operate element-wise over the files.
- Carbon Nanomaterials for Optical Absorber Applications
- Article describing optical absorbers based on vertically aligned multi-walled carbon nanotubes (MWCNTs), synthesized using electric-field assisted growth that show an ultra-low reflectance, 100X lower compared to the benchmark, a diffuse metal black - Au-black - from wavelength λ ~ 350 nm – 2500 nm.
- Carrier photodynamics in 2D perovskites with solution-processed silver and graphene contacts for bendable optoelectronics
- Article reporting on the inkjet printed, direct contact study of solution-processed, 2D perovskite-based photodetectors (PDs) formed on flexible PI substrates. Silver (Ag) and graphene (Gr) inks have been engineered to serve as efficient electrical contacts for solution-processed two-dimensional (2D) organo-halide (CH3(CH2)3NH3)2(CH3NH3)n−1PbnI3n+1 (n = 4) layered perovskites, where all inkjet-printed heterostructure PDs were fabricated on polyimide (PI) substrates.
- Chemistry of Supraglacial Ponds in thte Debris-Covered Area of Lirung Glacier in Central Nepal Himalayas
- This article examines elevation trends and their control by seasonality, dominant geochemical processes, and season dynamics in these supraglacial ponds at elevations ranging between 3989 and 4292 m above sea level in the debris-covered area of Lirung glacier in central Nepal Himalayas, from November 2010 to October 2011 on a bimonthly basis.
- Comparison of Machine Learning Algorithms for Identifying Cancer Types
- Poster for the 2014 MidSouth Computational Biology and Bioinformatics Society (MCBIOS) Annual Conference. This poster discusses a comparison of machine learning algorithms for identifying cancer types.
- Complejo Hidroelectrico General Jose Antonio Paez: Sedimentos en el Embalse
- This report is on a study to quantify the production of sediment created by erosion in the upper basin of the Rio Santo Domingo dam site and determine the magnitude of the problem of sedimentation in the "Hydroelectric Complex General Jose Antonio Paez" reservoir.
- Cooperation of Autonomous NXT Robots Using Bluetooth Wireless Technology
- This report discusses research on cooperation of autonomous NXT robots using Bluetooth wireless technology. The research project consisted of using Bluetooth technology to coordinate movements between two agents. This research is part of Research Experiences for Teachers (RET) in Sensor Education, a National Science Foundation (NSF) funded grant project.
- A Cost-Effective Wireless Sensor Network System for Indoor Air Quality Monitoring Applications
- This paper from the 9th International Conference on Future Networks and Communications, FNC 2014 conference proceedings presents a low-cost indoor air quality monitoring wireless sensor network system developed using Arduino, XBee modules, and micro gas sensors.
- Crecimiento diamétrico de especies arbóreas en un bosque estacional de los Llanos occidentales de Venezuela
- Article discussing the diametric tree growth in functional groups species in a seasonal forest of the Venezuelan western plains.
- Cyber-Physical Systems Can Make Emergency Response Smart
- This paper from the Humanitarian Technology: Science, Systems and Global Impact 2015 conference proceedings discusses the Smart Emergency Response System prototype built in the context of the SmartAmerica Challenge 2013-2014 by a team of nine organizations led by MathWorks.
- Demand Controlled Ventilation using CO₂ Sensors in a Wireless Sensor Network
- This report discusses research on demand controlled ventilation using CO₂ sensors in a wireless sensor network. The focus of this research project was to investigate Indoor Air Quality (IAQ) monitoring technologies, government regulations and policies, and best practices to improve IAQ. This research is part of Research Experiences for Teachers (RET) in Sensor Education, a National Science Foundation (NSF) funded grant project.
- Demand Controlled Ventilation using CO2 Sensors in a Wireless Sensor Network [Poster]
- Poster presented as part of the 2013 Research Experiences for Teachers (RET) in Sensor Education, a National Science Foundation (NSF) funded grant project. This poster discusses research on demand controlled ventilation using CO₂ sensors in a wireless sensor network.
- Dinámica y Control de Malezas Acuáticas en Algunas Islas de la Zona Protegida Delta del Río Orinoco
- Report on the dynamics and control of aquatic weeds in some islands of the protected area of the Orinoco Delta.
- Distributed Middleware of Large-Scale Wireless Networks
- Article introduces a special issue of the International Journal of Distributed Sensor Networks.
- Dual-Wavelength Terahertz Metasurfaces with Independent Phase and Amplitude Control at Each Wavelength
- This article describes the design of a dual-wavelength achromatic metasurface-based deflector deflecting the incident wave to the same direction at two selected wavelengths, which has circumvented the critical limitation of strong wavelength dependence in the planar metasurface-based devices caused by the resonant nature of the plasmonic structures.
- Ecological Responses of Venezuelan Savannas to Global Climate Change: Workshop Report
- Report from a workshop on ecological responses of Venezuelan savannas to global climate change.
- Eficiência de um sistema piloto de dessalinização de água salobra
- Article describes study which sought to evaluate the efficiency of pilot water desalination system treating brackish water which was obtained mixing fresh water and seawater up to reach 1,500 mg L-1 of total dissolved solids (TDS) concentration.
- EGFET-Based Sensors for Bioanalytical Applications: A Review
- This article provides a review of the state of the art focused on the development of biosensors and chemosensors based on extended-gate field-effect transistor within the field of bioanalytical applications.
- Electrode and electrolyte configurations for low frequency motion energy harvesting based on reverse electrowetting
- This article explores various combinations of electrolyte concentrations, dielectrics, and dielectric thicknesses to generate maximum output power employing REWOD energy harvester with the objective of implementing a fully self-powered wearable sensor.
- Embedded Corrosion Sensing with ZnO-PVDF Sensor Textiles
- Article investigating a non-conductive sensor textile as a viable solution for corrosion in underground and submerged steel pipes. The results offer a new option for sub-surface corrosion sensing using low cost, easily fabricated sensor textiles.
- Experimental Validation of Diffraction Lithography for Fabrication of Solid Microneedles
- Article states that microneedles are highly sought after for medicinal and cosmetic applications. However, the current manufacturing process for microneedles remains complicated, hindering its applicability to a broader variety of applications. This experimental study enables the shapes and mechanical properties of the microneedles to be predicted in advance for mass production and wide practical use for biomedical or cosmetic applications.
- Fabrication and characterization of inkjet-printed 2D perovskite optoelectronic devices
- Article presents the large scale synthesis of solution-processed 2D (CH₃(CH₂)₃NH₃)₂(CH₃NH₃)ₙ − 1PbₙI₃ₙ + 1 (n = 2, 3, and 4) perovskites, a family of layered compounds with composition-tunable bandgap, where inkjet printing was used to fabricate heterostructure, flexible photodetector devices. The flexible, inkjet-printed perovskite 2D heterostructures have significant potential for optoelectronic devices, which can enable broad possibilities with compositional tunability and versatility of the organohalide perovskites.
- Fabrication of wide-IF 200–300GHz superconductor–insulator–superconductor mixers with suspended metal beam leads formed on silicon-on-insulator
- This article reports on a fabrication process that uses silicon-oninsulator (SOI) substrates and micromachining techniques to form wide-IF superconductor–insulator–superconductor (SIS) mixer devices that have suspended metal beam leads for rf grounding. Aside from a description of the fabrication process, electrical measurements of these Nb/Al–AlNₓ /Nb trilayer devices will also be presented.
- Feasibility Study of Microsecond Pulsed Microwave Ablation Using a Minimally Invasive Antenna
- Article establishing the feasibility of producing localized ablation zones using microsecond pulsed microwave ablation (MWA) as an alternative to conventional continuous wave (CW) MWA. Results open the opportunity for developing a coupled MWA treatment and imaging system using pulsed MWA and microwave-induced thermoacoustic signals for real-time monitoring of MWA.
- G-DaM: A Distributed Data Storage with Blockchain Framework for Management of Groundwater Quality Data
- Authors discuss their use of a distributed and decentralized architecture to store the statistics, perform double hashing, and implement access control through smart contracts to forecast groundwater availability. Their work demonstrates a modern and innovative approach combining Distributed Data Storage and Blockchain technologies to overcome traditional data sharing, and centralized storage, while addressing blockchain limitations.
- Geometrical dependence of the low-frequency noise in superconducting flux qubits
- Article reporting on a study of a series of 85 devices of vary design using a general method for directly measuring the low-frequency flux noise (below 10 Hz) in compound Josephson-junction superconducting flux qubits. The results support the hypothesis that local impurities in the vicinity of the qubit wiring are a key source of low-frequency flux noise in superconducting devices.
- GPS/GSM Based Tracking System for the Recovery of High Power Model Rockets
- This report discusses research on GPS/GSM based tracking systems for the recovery of high power model rockets. This research is part of Research Experiences for Teachers (RET) in Sensor Education, a National Science Foundation (NSF) funded grant project.
- GPS: Rocket
- This video discusses research on developing a rocket recovery system with sensor networks and wireless communication. The research team project was to develop a GPS/GSM based tracking system for the recovery of high power model rockets. This research is part of Research Experiences for Teachers (RET) in Sensor Education, a National Science Foundation (NSF) funded grant project.
- GPS Tracking of High Power Model Rockets
- Poster presented as part of the Research Experiences for Teachers (RET) in Sensor Education, a National Science Foundation (NSF) funded grant project. This poster discusses research on GPS/GSM based tracking systems for the recovery of high power model rockets.
- Habitat Quantity of Red-Cockaded Woodpecker Picoides Borealis (Aves: Piciformes: Picidae) in its Former Historic Landscape Near the Big Thicket Naitonal Preserve, Texas, USA
- This article quantifies pine-forested habitat suitable for Red-cockaded Woodpecker in the former historic range of the species to assess the potential for possible re-colonization.