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612 Matching Results
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1 - 24 of
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A multiscale approach reveals elaborate circulatory system and intermittent heartbeat in velvet worms (Onychophora)
Article describes how an antagonistic hemolymph-muscular system is essential for soft-bodied invertebrates. The authors analyzed the entire circulatory system of the peripatopsid Euperipatoides rowelli and claimed they discovered a surprisingly elaborate organization.
Date:
April 28, 2023
Creator:
Jahn, Henry; Hammel, Jörg U.; Göpel, Torben; Wirkner, Christian S. & Mayer, Georg
Object Type:
Article
System:
The UNT Digital Library
Small businesses and government assistance during COVID-19: Evidence from the paycheck protection program in the U.S.
Article describes how the COVID-19 pandemic has caused unprecedented losses for small businesses in cities across the globe. The authors' study examines the spatial distribution of PPP loans at the neighborhood level.
Date:
April 3, 2023
Creator:
Wang, Qingfang & Kang, Wei
Object Type:
Article
System:
The UNT Digital Library
Acetaldehyde oxidation at elevated pressure
A detailed chemical kinetic model for oxidation of CH3CHO at intermediate to high temperature and elevated pressure has been developed and evaluated by comparing predictions to novel high-pressure flow reactor experiments as well as shock tube ignition delay measurements and jet-stirred reactor data from literature. The flow reactor experiments were conducted with a slightly lean CH3CHO/O2 mixture highly diluted in N2 at 600–900 K and pressures of 25 and 100 bar. This is the accepted manuscript version of the published article.
Date:
April 10, 2021
Creator:
Hashemi, Hamid; Christensen, Jakob M.; Marshall, Paul & Glarborg, Peter
Object Type:
Article
System:
The UNT Digital Library
Experimental and kinetic modeling study of oxidation of acetonitrile
Article asserts that oxidation of acetonitrile has been studied in a flow reactor in the absence and presence of nitric oxide. A detailed chemical kinetic model for oxidation of acetonitrile was developed, based on a critical evaluation of data from literature. This is the accepted manuscript version of the published article.
Date:
April 10, 2021
Creator:
Alzueta, María U.; Guerrero, Marta; Millera, Angela; Marshall, Paul & Glarborg, Peter
Object Type:
Article
System:
The UNT Digital Library
Flexible OA Support in Academic Publishing: IGI Global's Premiere Platinum Open Access Book in Collaboration with University of North Texas
Presentation presents "Handbook of Research on the Global View of Open Access and Scholarly Communications", and details chapter information.
Date:
April 2022
Creator:
Alemneh, Daniel Gelaw; Helge, Kris; Priyanto, Ida Fajar; Beyene, Melkamu; Ford, Angela & Haynes, Brittany
Object Type:
Presentation
System:
The UNT Digital Library
Knowledge Sharing Practices Among Faculty Members in Higher Education Institutions
Presentation asserts that knowledge is regarded as an organization's most valuable strategic resources. This presentation highlights and discusses knowledge sharing practices among faculty members in higher education institutions.
Date:
April 2022
Creator:
Alemneh, Daniel Gelaw & Dube, Farirai Delma
Object Type:
Presentation
System:
The UNT Digital Library
Did Anything Good Come Out of the Pandemic? COVID-19-Stress Induced Self-Regulatory Sustainable Apparel Consumption among the Millennials in the U.S.
Authors of the article proposed and tested a conceptual model delineating the relationships between COVID-19 stress, commitment to the environment, and intentions for sustainable apparel consumption in terms of intentions for purchasing sustainable apparel and divesting apparel. The authors recommend the sustainable apparel brands and marketers promote how sustainable apparel consumption can protect the environment to make the environment and human beings less susceptible to the future outbreaks of pandemics.
Date:
April 28, 2023
Creator:
Chakraborty, Swagata & Sadachar, Amrut
Object Type:
Article
System:
The UNT Digital Library
FlexiChain 3.0: Distributed Ledger Technology-Based Intelligent Transportation for Vehicular Digital Asset Exchange in Smart Cities
Article describes how, due to the enormous amounts of data being generated between users, Intelligent Transportation Systems (ITS) are complex Cyber-Physical Systems that necessitate a reliable and safe infrastructure. In this work, the authors explore Distributed Ledger Technology (DLT) and collect data about consensus algorithms and their applicability to be used in the IoV as the backbone of ITS.
Date:
April 19, 2023
Creator:
Alkhodair, Ahmad; Mohanty, Saraju P. & Kougianos, Elias
Object Type:
Article
System:
The UNT Digital Library
A Remarkable Difference in Pharmacokinetics of Fluorinated Versus Iodinated Photosensitizers Derived from Chlorophyll-a and a Direct Correlation between the Tumor Uptake and Anti-Cancer Activity
Article says that to investigate and compare the pharmacokinetic profile and anti-cancer activity of fluorinated and iodinated photosensitizers (PSs), the 3-(1′-(o-fluorobenzyloxy)ethyl pyropheophorbide and the corresponding meta-(m-) and para (p-) fluorinated analogs (methyl esters and carboxylic acids) were synthesized. According to the authors, the nature of the delivery vehicle and tumor types showed a significant difference in uptake and long-term cure by photodynamic therapy (PDT), especially in the iodinated PS.
Date:
April 27, 2023
Creator:
Pandurang, Taur Prakash; Cacaccio, Joseph; Durrani, Farukh A.; Dukh, Mykhaylo; Alsaleh, Ajyal Z.; Sajjad, Munawwar et al.
Object Type:
Article
System:
The UNT Digital Library
Room and Elevated Temperature Sliding Friction and Wear Behavior of Al0.3CoFeCrNi and Al0.3CuFeCrNi2 High Entropy Alloys
Article discusses how, in this study, processing–structure–property relations were systematically investigated at room and elevated temperatures for two FCC Al0.3CoFeCrNi and Al0.3CuFeCrNi2 high-entropy alloys (HEAs), also known as complex concentrated alloys (CCAs), prepared by conventional arc-melting. It was determined that both alloys exhibit FCC single-phase solid solution structure. Micro-indentation and sliding wear tests were performed to study the hardness and tribological behavior and mechanisms at room and elevated temperatures.
Date:
April 2, 2023
Creator:
Kadhim, Dheyaa F.; Korcherla, Manindra V. & Scharf, Thomas W.
Object Type:
Article
System:
The UNT Digital Library
A Review of Rehabilitative and Assistive Technologies for Upper-Body Exoskeletal Devices
Authors state that this journal review article focuses on the use of assistive and rehabilitative exoskeletons as a new opportunity for individuals with diminished mobility. Overall, this article serves as a valuable resource for individuals working in the field of assistive and rehabilitative exoskeletons, providing insight into the state of the art and potential areas for improvement.
Date:
April 20, 2023
Creator:
Hays, Emilly; Slayton, Jack; Tejeda-Godinez, Gary; Carney, Emily; Cruz, Kobe; Exley, Trevor et al.
Object Type:
Article
System:
The UNT Digital Library
Molecular Simulation Strategies for Understanding the Degradation Mechanisms of Acrylic Polymers
Article describes how acrylic polymers, commonly used in paints, can degrade over time by several different chemical and physical mechanisms, depending on structure and exposure conditions. In this work, the authors studied the effects of different degradation mechanisms and agents on properties of acrylic polymers found in artists’ acrylic paints for the first time using atomistic molecular dynamics simulations.
Date:
April 19, 2023
Creator:
Iscen, Aysenur; Forero-Martinez, Nancy C.; Valsson, Omar & Kremer, Kurt
Object Type:
Article
System:
The UNT Digital Library
Tuning the temperature range of superelastic Ni-Ti alloys for elastocaloric cooling via thermal processing
Article describes how caloric cooling enlisting solid-state refrigerants is potentially a promising eco-friendly alternative to conventional cooling based on vapor compression. Here, the authors have explored tuning the operation temperature range of Ni50.8Ti49.2 for elastocaloric cooling. In particular, they have studied the effect of thermal treatments (a.k.a. aging) on the transformation temperature, superelasticity, and elastocaloric effects of Ni50.8Ti49.2 shape memory alloy tubes.
Date:
April 28, 2023
Creator:
Yamazaki, Takahiro; Montagnoli, Andre L.; Young, Marcus L. & Takeuchi, Ichiro
Object Type:
Article
System:
The UNT Digital Library
Exposure to diesel exhaust particulates and desert sand dust generates microvesicle particles and platelet-activating factor agonists
The authors address the editor in their article, stating that the majority of the general population, particularly, servicemen and women deployed across the globe are exposed to various airborne hazards, including diesel exhaust particulate (DEP) and desert sand dust (DSD). Studies, including the author's study, have shown that exposure to ROS-generating pro-oxidative stressors ranging from environmental carcinogens to pollutants, including cigarette smoke, produces a class of potent phospholipid mediators, Platelet-activating factor (PAF) and PAF-like agonists via oxidative cleavage of lipid membrane glycerophosphocholines (GPCs).
Date:
April 8, 2023
Creator:
Thyagarajan, Anita; Rapp, Christine M.; Schneider, Leah; Lund, Amie K.; Travers, Jeffrey B. & Sahu, Ravi P.
Object Type:
Article
System:
The UNT Digital Library
Maternal migraine and risk of pediatric cancers
Article describes how maternal migraine has been linked to adverse birth outcomes including low birth weight and preterm birth, as well as congenital anomalies in offspring. Authors used logistic regression to estimate the risk of childhood cancers associated with maternal migraine.
Date:
April 26, 2023
Creator:
Orimoloye, Helen T.; Heck, Julia E.; Andrews, Charles G.; Saechao, Chai; He, Di; Federman, Noah et al.
Object Type:
Article
System:
The UNT Digital Library
Shedding New Light on Weak Emission-Line Quasars in the CIV-Hβ Parameter Space
Article describes how weak emission-line quasars (WLQs) are a subset of Type 1 quasars that exhibit extremely weak Lyα+N V λ1240 and/or C IV λ1549 emission lines. The authors investigate the relationship between emission-line properties and accretion rate for a sample of 230 `ordinary' Type 1 quasars and 18 WLQs at z<0.5 and 1.5<z<3.5 that have rest-frame ultraviolet and optical spectral measurements.
Date:
April 10, 2023
Creator:
Ha, Trung; Dix, Cooper; Matthews, Brandon M.; Shemmer, Ohad; Brotherton, Michael S.; Myers, Adam D. et al.
Object Type:
Article
System:
The UNT Digital Library
Biocultural Calendars Across Four Ethnolinguistic Communities in Southwestern South America
Article describes how, since the mid-20th century, the so-called Great Acceleration has amplified processes of ecosystem degradation, extinction of biological species, displacement of local peoples, losses of languages, and cultural diversity. The authors examine cultural practices and socio-environmental changes across four contrasting ethnolinguistic communities in southwestern South America, from southern to northern Chile along a marked climatic gradient to show the broad application of the concept of biocultural calendars.
Date:
April 20, 2023
Creator:
Rozzi, Ricardo, 1960-; Álvarez, Ricardo; Castro, Victoria; Núñez, David; Ojeda, Jaime & Tauro, Alejandra
Object Type:
Article
System:
The UNT Digital Library
Dynamic Motions of Topological Defects in Nematic Liquid Crystals under Spatial Confinement
Article discusses how topological defects (TDs) have become a sensational topic due to their significant influence on the unusual optical and physiochemical characteristics of the material. Here, authors assert how nematic liquid crystals confined in a cell exhibiting surfaces with periodic anchoring conditions containing surface topography are relied on.
Date:
April 25, 2023
Creator:
Pawale, Tejal; Swain, Justin; Hashemi, Mohammad Reza; Tierra, Giordano & Li, Xiao
Object Type:
Article
System:
The UNT Digital Library
Mapping hierarchical and heterogeneous micromechanics of a transformative high entropy alloy by nanoindentation and machine learning augmented clustering
Article describes how conventional macromechanical tests provide limited insights into complex hierarchical deformation behavior of a transformative high entropy alloy (HEA). In this work, a high throughput microstructure-micromechanical correlative study is presented by combining high-resolution nanoindentation, site-specific microscopy, and Gaussian mixture model (GMM) clustering.
Date:
April 26, 2023
Creator:
Dhal, Abhijeet; Haridas, Ravi Sankar; Agrawal, Priyanka; Gupta, Sanya & Mishra, R. S.
Object Type:
Article
System:
The UNT Digital Library
Detecting interdisciplinary semantic drift for knowledge organization based on normal cloud model
Article describes how, to reduce the conceptual ambiguity in interdisciplinary knowledge organization systems (KOSs) and enhance interdisciplinary KOS management, this paper proposes a framework for interdisciplinary semantic drift (ISD) detection based on the normal cloud model (NCM). The research indicates the meaning of an interdisciplinary concept will drift from the high KPE discipline to the low KPE discipline as long as interdisciplinary knowledge potential differences (KPD) exist between these two related disciplines.
Date:
April 27, 2023
Creator:
Wang, Zhongyi; Peng, Siyuan; Chen, Jiangping; Kapasule, Amoni G. & Chen, Haihua
Object Type:
Article
System:
The UNT Digital Library
Recovering the urban forest: The role of trees, tree culture, and place attachment before and after Hurricane Harvey
Article asserts that trees can be powerful symbols that contribute to the production and consumption of places. Drawing from multiple sources and participant observations from repeated site visits, the authors analyzed references to Rockport-Fulton’s trees in news media, organizational communications, and public exhibits before and after Harvey to understand the area’s tree culture and its associated discourses.
Date:
April 18, 2023
Creator:
Lavy, Brendan L. & Zavar, Elyse
Object Type:
Article
System:
The UNT Digital Library
2023 UNT OA Symposium: Opening Remarks
Video recording of the opening remarks for the UNT Open Access Symposium held virtually on April 14, 2023.
Date:
April 14, 2023
Creator:
Martin, John Edward & Antes, Isabelle
Object Type:
Video
System:
The UNT Digital Library
2023 UNT OA Symposium: OER and Open Textbook Projects at UNT
Video recording of the session, "OER and Open Textbook Projects at UNT," for the UNT Open Access Symposium held virtually on April 14, 2023. This session is a panel of UNT faculty that discuss their university-sponsored OER and open textbook projects. They consider how these projects were conceived, created, and implemented in the classroom and what the outcomes, benefits, and drawbacks might be.
Date:
April 14, 2023
Creator:
Martin, John Edward; Connors, Priscilla L.; Ding, Junhua; Hawamdeh, Suliman M.; Ryan, Sarah & Webb, Jae
Object Type:
Video
System:
The UNT Digital Library
2023 UNT OA Symposium: Recent Texas Legislation Affecting Course Materials and OER
Video recording of the session, "Recent Texas Legislation Affecting Course Materials and OER," for the UNT Open Access Symposium held virtually on April 14, 2023. This session looks at two recent pieces of legislation-- Texas SB 810 (OER course markings) and HB 1027 (disclosure of course material information)--and their implications for Texas institutions of higher education.
Date:
April 14, 2023
Creator:
Ivie, DeeAnn; McClean, Jessica & Towery, Stephanie
Object Type:
Video
System:
The UNT Digital Library