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109 Matching Results
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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.
Date:
June 26, 2020
Creator:
Gamboa, Gerardo; Mazumder, Sangram; Hnatchuk, Nathalie; Catalan Gonzalez, Jorge Alfredo; Cortes, Damaris; Chen, Ikang et al.
System:
The UNT Digital Library
Abraham Solvation Parameter Model: Prediction of Enthalpies of Vaporization and Sublimation of Mono-Methyl Branched Alkanes Using Measured Gas Chromatographic Data
Article determines Abraham model L solute descriptors for 174 additional mono-methyl branched alkanes based on published linear-programmed gas chromatographic retention indices.
Date:
June 18, 2020
Creator:
Liu, Grace; Eddula, Shrika; Jiang, Carina; Huang, Jennifer; Tirumala, Priya; Xu, Angelina et al.
System:
The UNT Digital Library
Adaptation of Fluctuating Magnetoacoustic System to External Signals
Article studying the influence of microwave signals of different shapes on the magnetoacoustic wave system with a giant nonlinearity in canted antiferromagnet FeBO₃ at room temperature, which is close to its phase transition to the paramagnetic state. Results represent the first observation of the macroscopic quantum statistical phenomenon, Bose-Einstein condensation of magnetoacoustic wave quanta in a wave system with a high level of thermal fluctuations.
Date:
June 2, 2021
Creator:
Safonov, Vladimir L.; Bas, Derek A.; Berman, Diana; Rostovtsev, Yuri V.; Roberts, James A.; Mcconney, Michael E. et al.
System:
The UNT Digital Library
Anomalous thermo-osmotic conversion performance of ionic covalent-organic-framework membranes in response to charge variations
Authors of the article systematically investigated how the membrane charge populations affect permselectivity by decoupling their effects from the impact of the pore structure using a multivariate strategy for constructing covalent-organic-framework membranes. The complex interplay between pore-pore interactions in response to charge variations for ion transport across the upscaled nanoporous membranes helps explain the obtained results. This study has far-reaching implications for the rational design of ionic membranes to augment energy extraction rather than intuitively focusing on achieving high densities.
Date:
June 13, 2022
Creator:
Xian, Weipeng; Zuo, Xiuhui; Zhu, Changjia; Guo, Qing; Meng, Qing-Wei; Zhu, Xincheng et al.
System:
The UNT Digital Library
Approaching Bounded Rationality: From Quantum Probability to Criticality
This article discusses the decision-making model (DMM), a paradigmatic instance of criticality, which deals with bounded rationality issues in a similar way as quantum probability (QP), generating choices that cannot be accounted by classical probability (CP). This work may contribute to considering criticality as another possible fundamental pillar in order to improve the understanding of cognition and of quantum mechanics.
Date:
June 13, 2021
Creator:
Tonello, Lucio & Grigolini, Paolo
System:
The UNT Digital Library
Assessing distribution shifts and ecophysiological characteristics of the only Antarctic winged midge under climate change scenarios
Article integrating ecophysiological information with the development of new high-resolution climatic layers for Antarctica, to better understand how the distribution of P. steinenii may respond to change over the next century under different IPCC climate change scenarios. The authors conclude that the species has the potential to expand its distribution to include parts of the west and east coasts of the Antarctic Peninsula and even coastal ice-free areas in parts of continental Antarctica. The authors also propose P. steinenii as an effective native sentinel and indicator species of climate change in the Antarctic.
Date:
June 3, 2020
Creator:
Contador, Tamara; Gañán, Melisa; Bizama, Gustavo; Fuentes-Jaque, Guillermo; Morales, Luis; Rendoll, Javier et al.
System:
The UNT Digital Library
A Bayesian Rate Ratio Effect Size to Quantify Intervention Effects for Count Data in Single Case Experimental Research
This article formulates a within-subject Bayesian rate ratio effect size (BRR) for autocorrelated count data that would obviate the need for small sample corrections. The authors illustrate this within-subject effect size using real data for an ABAB design and provide codes for practitioners who may want to compute BRR.
Date:
June 19, 2020
Creator:
Batley, Pathiba Natesan; Mehta, Smita S. & Hitchcock, John H.
System:
The UNT Digital Library
The Bibliographical Maker Movement
Paper offering an extended discourse on the full range of activities comprising the bibliographical maker movement, which in recent years has coalesced around the idea that maker culture may be employed to enhance our understanding of not only the history but also the future of the book.
Date:
June 27, 2022
Creator:
Jacobs, Courtney “Jet”; McIntosh, Marcia & O’Sullivan, Kevin M.
System:
The UNT Digital Library
A Biocultural Dialogue between Thoreau and Taoist Thought: Rethinking Environmental Ethics, Nature, Spirituality and Place
Article describes how a fundamental question of the 21st century centers around the role and place of humans in their environment. The authors assert that this paper aimed to discover and manifest the connection and similarities between the philosophy of Thoreau and the ancient worldview of Taoism.
Date:
June 25, 2023
Creator:
Thompson, Michael & Xu, Li
System:
The UNT Digital Library
Bioinspired Synthesis of Silver Nanoparticles for the Remediation of Toxic Pollutants and Enhanced Antibacterial Activity
Article asserts that this research presents a novel and environmentally friendly approach for the synthesis of multifunctional nanobiocomposites for the efficient removal of toxic heavy metal and dye, as well as the disinfection of wastewater microorganisms. The synthesized bioinspired nanocomposite KAC-CS-AgNPs could be an innovative solution for effective and sustainable wastewater treatment and has great potential for commercial applications.
Date:
June 29, 2023
Creator:
Mandal, Sujata; Hwang, Sangchul; Marpu, Sreekar B.; Omary, Mohammad A.; Prybutok, Victor R. & Shi, Sheldon
System:
The UNT Digital Library
Biomimics of [FeFe]-hydrogenases incorporating redox-active ligands: synthesis, redox properties and spectroelectrochemistry of diiron-dithiolate complexes with ferrocenyl-diphosphines as Fe4S4 surrogates
Article prepares and characterizes a small series of new [FeFe]-ase biomimics which contain a ferrocenyl diphosphine as a surrogate for the Fe₄S₄ moiety in the H-cluster of the enzyme. Mechanistic details of both proton reduction and H₂ oxidation have been studied by DFT allowing speculative reaction schemes to be developed.
Date:
June 6, 2022
Creator:
Orton, Georgia R. F.; Ghosh, Shishir; Alker, Lucy; Sarker, Jagodish C.; Pugh, David; Richmond, Michael G. et al.
System:
The UNT Digital Library
Boosting Piezoelectricity by 3D Printing PVDF-MoS2 Composite as a Conformal and High-Sensitivity Piezoelectric Sensor
Article describes how additively manufactured flexible and high-performance piezoelectric devices are highly desirable for sensing and energy harvesting of 3D conformal structures. This study reports a significantly enhanced piezoelectricity in polyvinylidene fluoride (PVDF) achieved through the in situ dipole alignment of PVDF within PVDF-2D molybdenum disulfide composite by 3D printing.
Date:
June 21, 2023
Creator:
Islam, M.D, Nurul; Rupom, Rifat Hasan; Adhikari, Pashupati R.; Demchuk, Zoriana; Popov, Ivan; Sokolov, Alexei P. et al.
System:
The UNT Digital Library
CancerNet: a unified deep learning network for pan‑cancer diagnostics
Article states that despite remarkable advances in cancer research, cancer remains one of the leading causes of death worldwide. The author's proposed framework for cancer diagnostics detects cancers and their tissues of origin using a unified model of cancers encompassing 33 cancers represented in The Cancer Genome Atlas. Their model exploits the learned features of different cancers reflected in the respective dysregulated epigenomes, holding a great promise in early cancer detection.
Date:
June 13, 2022
Creator:
Gore, Steven & Azad, Rajeev K.
System:
The UNT Digital Library
Closed-form expressions for the magnetic fields of rectangular and circular finite-length solenoids and current loops
This article discusses closed-form expressions for the magnetic fields produced by rectangular- and circular-shaped finite-length solenoids and current loops. The closed-form expression for the magnetic field of a rectangular-shaped finite-length solenoid is derived using the Biot–Savart law. Closed-form expressions for the magnetic fields of solenoids and current loops can be used to avoid approximations in analytical models and may reduce computation time in computer simulations.
Date:
June 15, 2020
Creator:
Hampton, S.; Lane, R. A.; Hedlof, R. M.; Phillips, R. E. & Ordonez, Carlos A.
System:
The UNT Digital Library
Code Comparison in Galaxy-scale Simulations with Resolved Supernova Feedback: Lagrangian versus Eulerian Methods
Authors of the article present a suite of high-resolution simulations of an isolated dwarf galaxy using four different hydrodynamical codes: Gizmo, Arepo, Gadget, and Ramses. They find reasonable agreement on the time-averaged star formation rates as well as the joint density–temperature distributions between all codes.
Date:
June 16, 2023
Creator:
Hu, Chia-Yu; Smith, Matthew C.; Teyssier, Romain; Bryan, Greg L.; Verbeke, Robbert; Emerick, Andrew et al.
System:
The UNT Digital Library
Comparison of Thermal Effectiveness and Crevice Corrosion Risk of Fin Geometry on All-Aluminum Microchannel Heat Exchangers
Article all-aluminum microchannel heat exchangers have recently gained popularity in the heating, ventilation, and air conditioning industry. Despite their attractive thermal performance design, these heat exchangers make coils used in automotive, commercial, and residential applications prone to crevice corrosion. This study uses high-fidelity conjugate heat transfer simulations to model a micro channel heat exchanger system that includes fins and tubes with crossflow to compare their thermal effectiveness to gain insight into potential crevice corrosion of the MCHE alloy.
Date:
June 12, 2023
Creator:
Ahmed, Hossain; Nasrazadani, Seifollah & Sadat, Hamid
System:
The UNT Digital Library
Computational Study of Methane C–H Activation by Main Group and Mixed Main Group–Transition Metal Complexes
This article presents density functional theory (DFT) research where nine different molecules, each with different combinations of A (triel) and E (divalent metal) elements, were reacted to effect methane C–H activation.
Date:
May 26, 2020
Creator:
Carter, Carly C. & Cundari, Thomas R., 1964-
System:
The UNT Digital Library
Correction: Systematic review on the current state of disaster preparation Simulation Exercise (SimEx)
This is a correction to an article. The original article contained an error in author spelling, which has since been amended.
Date:
June 6, 2023
Creator:
Mahdi, Syed Sarosh; Jafri, Hafsa Abrar; Allana, Raheel; Battineni, Gopi; Khawaja, Mariam; Sakina, Syeda et al.
System:
The UNT Digital Library
Corrosion Fatigue Characteristics of 316L Stainless Steel Fabricated by Laser Powder Bed Fusion
This article studies the corrosion and corrosion fatigue characteristics of LPBF 316L stainless steels (SS) in 3.5 wt.% NaCl solution using an electrochemical method, high cycle fatigue, and fatigue crack propagation testing.
Date:
June 29, 2021
Creator:
Gnanasekaran, Balachander; Song, Jie; Vasudevan, Vijay K. & Fu, Yao
System:
The UNT Digital Library
Design and Assessment of a Task-Driven Introductory Data Science Course Taught Concurrently in Multiple Languages: Python, R, and MATLAB
This article is from the 26th ACM Conference on Innovation and Technology in Computer Science Education and discusses the design, effectiveness, and curricular impacts of an introductory data science course focused on practical programming skills and allowing students to concurrently complete the course in Python, R, or MATLAB. Students indicated a preference for the multi-language course design and the course became the recommended first programming course for a newly developed and approved undergraduate data science majors.
Date:
June 26, 2021
Creator:
Xiao, Ting; Greenberg, Ronald I. & Albert, Mark
System:
The UNT Digital Library
Detecting Covid-19 chaos driven phishing/malicious URL attacks by a fuzzy logic and data mining based intelligence system
Article analyses the impact of Covid-19 on various cyber-security related aspects.
Date:
June 7, 2022
Creator:
Zahra, Syed Rameem; Chishti, Mohammad Ahsan; Baba, Asif Iqbal & Wu, Fan
System:
The UNT Digital Library
Developmental Physiology: Grand Challenges
Article indicating directions in which the field of Developmental Physiology might move. It suggests three categories of challenges: demonstrating broad relevance, promoting conceptual advances, and improving experimental approaches.
Date:
June 10, 2021
Creator:
Burggren, Warren W.
System:
The UNT Digital Library
Differential Responses of Transplanted Stem Cells to Diseased Environment Unveiled by a Molecular NIR-II Cell Tracker
This article develops a molecular cell tracker with a strong fluorescence signal in the second near-infrared (NIR-II) window (1,000-1,700 nm) for real-time monitoring of in vivo cell behaviors in both healthy and diseased animal models to address the issue of precisely and quantitatively evaluating the in vivo cell distribution, migration, and engraftment in stem cell therapy.
Date:
June 9, 2021
Creator:
Chen, Hao; Yang, Huaxiao; Zhang, Chen; Chen, Si; Zhao, Xin; Zhu, Mark et al.
System:
The UNT Digital Library
Digital humanities in the iSchool
This article presents findings from a series of related studies exploring aspects of Digital Humanities teaching, education, and research in iSchools, often in collaboration with other units and disciplines. Results provide a snapshot of the current state of digital humanities in iSchools which may usefully inform the design and evolution of new DH programs, degrees, and related initiatives.
Date:
June 21, 2021
Creator:
Walsh, John A.; Cobb, Peter J.; de Fremery, Wayne; Golub, Koraljka; Keah, Humphrey; Kim, Jeonghyun et al.
System:
The UNT Digital Library