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35,906 Matching Results
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The exact consistency strength of the generic absoluteness for the universally Baire sets
Article describes how a set of reals is universally Baire if all of its continuous preimages in topological spaces have the Baire property. The authors show that over some mild large cardinal theory, sealing is equiconsistent with LSA-over-uB.
Date:
January 18, 2023
Creator:
Sargsyan, Grigor & Trang, Nam
System:
The UNT Digital Library
Hedgehog signaling is involved in acquired resistance to KRASG12C inhibitors in lung cancer cells
Article states that although KRASG12C inhibitors have shown promising activity in lung adenocarcinomas harboring KRASG12C, acquired resistance to these therapies eventually occurs in most patients. The authors report that the hedgehog signal is induced by KRASG12C inhibitors and mediates KRAS re-expression in cancer cells treated with a KRASG12C inhibitor.
Date:
January 16, 2024
Creator:
Lee, Chaeyoung; Yi, Jawoon; Park, Jihwan; Ahn, Byungyong; Won, Young-Wook; Jeon, JiHeung et al.
System:
The UNT Digital Library
Applying Rasch Methodology to Examine and Enhance Precision of the Baby Care Questionnaire
Article describes how the Baby Care Questionnaire (BCQ) is an established ordinal measure of parenting beliefs about infant care, which includes structure and attunement scales. This study aimed to evaluate the psychometric properties and improve precision of the structure and attunement scales of the BCQ using Rasch methodology.
Date:
January 12, 2024
Creator:
Truong, Quoc Cuong; Gattis, Merideth; Barber, Carol Cornsweet; Middlemess, Wendy; Au, Terry & Medvedev, Oleg N.
System:
The UNT Digital Library
Development and Utilization of Bridge Data of the United States for Predicting Deck Condition Rating Using Random Forest, XGBoost, and Artificial Neural Network
Article describes how accurately predicting the condition rating of a bridge deck is crucial for effective maintenance and repair planning. This study aims to assess the effectiveness of these algorithms for deck condition rating prediction at the national level.
Date:
January 16, 2024
Creator:
Fard, Fariba & Fard, Fereshteh Sadeghi Naieni
System:
The UNT Digital Library
Emergency and Disaster Preparedness for Individuals Who Use Augmentative and Alternative Communication: A Pilot Study on Supported Planning Using a Toolkit
Article describes how when emergencies or disasters arise, individuals who use augmentative and alternative communication are particularly vulnerable. This study highlights the need for preparedness activities that are person-centered and account for the communication support needs of individuals who use AAC if faced with an emergency/disaster.
Date:
January 3, 2024
Creator:
Barton-Hulsey, Andrea; Boesch, Miriam C.; Chung, Yoosun; Caswell, Tina; Sonntag, Amy M. & Quach, Wendy
System:
The UNT Digital Library
Terahertz spectroscopy of MOFs reveals dynamic structure and contact free ultrafast photoconductivity
Article describes how metal-organic frameworks (MOFs) are porous crystalline materials, and their large pores make them particularly interesting for membranes, gas separation, and gas storage. The authors discuss how gas-MOF interactions alter the MOFs' spectral fingerprints.
Date:
January 10, 2024
Creator:
Hamilton, Kendra & Neu, Jens
System:
The UNT Digital Library
Planar shock compression of spark plasma sintered B4C and B4C-TiB2 ceramic composites
Article describes how blending of ceramic constituent phases enhances sinterability and performance in high strength ceramics. The authors describe how a near fully dense blended boron carbide (B4C)-titanium diboride (TiB2) composite produced through spark plasma sintering (SPS) is probed to understand the mechanical performance under dynamic uniaxial strain, or shock compression.
Date:
January 24, 2024
Creator:
Turnage, Scott A.; Clayton, John D.; Rodriguez, Jonathan; Scharf, Thomas W. & Williams, Cyril L.
System:
The UNT Digital Library
Alpha-1 antitrypsin deficiency and pregnancy complications and birth outcomes: A population-based cohort study in Denmark
Article describes how alpha-1 antitrypsin deficiency (AATD) is related to developing lung and liver disease, but no large-scale studies examine its association with birth outcomes. The authors investigated the risk of pregnancy complications and adverse birth outcomes in mothers and children with AATD.
Date:
January 2, 2024
Creator:
Orimoloye, Helen T.; He, Di; Li, Tong; Janzen, Carla; Barjaktarevic, Igor; Wang, Xuexia et al.
System:
The UNT Digital Library
Ignition delay times of NH3/DME blends at high pressure and low DME fraction: RCM experiments and simulations
Authors of the article describe how autoignition delay times of ammonia/dimethyl ether (NH3/DME) mixtures were measured in a rapid compression machine with DME fractions of 0, 2 and 5 and 100% in the fuel. Analysis of the mechanism indicates that this 'early DME oxidation' generates reactive species that initiate the oxidation of ammonia, which in turn begins heat release that raises the temperature and accelerates the oxidation process towards ignition. This is the accepted manuscript version of the published article.
Date:
January 14, 2021
Creator:
Dai, Liming; Glarborg, Peter; Gersen, Sander; Marshall, Paul; Mokhov, Anatoli & Levinsky, Howard
System:
The UNT Digital Library
[1/2 HP Maytag Restoration]
Article by Pettinger, Wesley E. about 1/2 HP Maytag Engine Restoration.
Date:
January 13, 1997
Creator:
Pettinger, Wesley E.
System:
The UNT Digital Library
Using CRISPR/Cas to enhance gene expression for crop trait improvement by editing miRNA targets
Article states that gene editing tools such as CRISPR/Cas9 are often thought of as a means to prevent gene expression; however, a more subtle and yet powerful approach is the enhancement of gene expression by precise deletion of repressor sites within a gene of interest. Authors argue that gene editing of miRNA target sites is preferable over deletion of the miRNA genes themselves, given that it avoids the pitfalls of unspecific derepression of miRNA target(s) beyond the gene of interest.
Date:
January 10, 2023
Creator:
Ferreira, Savio S. & Reis, Rodrigo S.
System:
The UNT Digital Library
Quantitative estimation of closed cell porosity in low density ceramic composites using X-ray microtomography
Article asserts that x-ray Microtomography is a proven tool for phase fraction analysis of multi-phase systems, provided that each phase is adequately partitioned by some means of data processing. The authors present a novel, combined methodology for accurate porosity analysis—despite these shortcomings.
Date:
January 4, 2023
Creator:
Smith, J. D.; Garcia, C.; Rodriguez, J. & Scharf, T. W.
System:
The UNT Digital Library
Error and optimism bias regularization
Article describes how in Machine Learning, prediction quality is usually measured using different techniques and evaluation methods. This paper will introduce a simple regularization term to manage the number of over-predicted/under-predicted instances in a regression model.
Date:
January 28, 2023
Creator:
Sohaee, Nassim
System:
The UNT Digital Library
A gene based combination test using GWAS summary data
Article describes how gene-based association tests provide a useful alternative and complement to the usual single marker association tests, especially in genome-wide association studies (GWAS). The authors propose a test named OWC based on summary statistics from GWAS data.
Date:
January 3, 2023
Creator:
Zhang, Jianjun; Liang, Xiaoyu; Gonzales, Samantha; Liu, Jianguo; Gao, Xiaoyi Raymond & Wang, Xuexia
System:
The UNT Digital Library
Metabolic reprogramming underlies cavefish muscular endurance despite loss of muscle mass and contractility
Article discusses the Mexican cavefish Astyanax mexicanus, has lost moderate-to-vigorous activity following cave colonization, reaching basal swim speeds ~3.7-fold slower than their river-dwelling counterpart. Collectively, the authors reveal broad skeletal muscle changes following cave colonization, displaying an adaptive skeletal muscle phenotype reminiscent to mammalian disuse and high-fat models while simultaneously maintaining a unique capacity for sustained muscle contraction via enhanced glycogen metabolism.
Date:
January 24, 2023
Creator:
Olsen, Luke; Levy, Michaella; Medley, J. Kyle; Hassan, Huzaifa; Miller, Brandon; Alexander, Richard et al.
System:
The UNT Digital Library
Modulating Uranium Extraction Performance of Multivariate Covalent Organic Frameworks through Donor–Acceptor Linkers and Amidoxime Nanotraps
Article presents a COF (covalent organic framework)-based adsorption-photocatalysis strategy for selective removal of uranyl from seawater in the absence of sacrificial reagents. This work shows that multivariate COF adsorption-photocatalysts can be rationally engineered to work efficiently and stably without sacrificial electron donors, thus opening the pathway for the economic and efficient extraction of uranium from the earth’s oceans.
Date:
January 4, 2023
Creator:
Hao, Mengjie; Xie, Yinghui; Liu, Xiaolu; Chen, Zhongshan; Yang, Hui; Waterhouse, Geoffrey I. N. et al.
System:
The UNT Digital Library
A Shannon-Theoretic Approach to the Storage–Retrieval Trade-Off in PIR Systems
Authors of the article consider the storage–retrieval rate trade-off in private information retrieval (PIR) systems using a Shannon-theoretic approach. Their focus is mostly on the canonical two-message two-database case, for which a coding scheme based on random codebook generation and the binning technique is proposed.
Date:
January 11, 2023
Creator:
Tian, Chao; Sun, Hua & Chen, Jun
System:
The UNT Digital Library
Mapping Health Fragility and Vulnerability in Air Pollution–Monitoring Networks in Dallas–Fort Worth
Article describes how environmental air pollution remains a major contributor to negative health outcomes and mortality, but the relationship between socially vulnerable populations and air pollution is not well understood. This paper seeks to understand how air pollution monitor placement strategies and policy may neglect social vulnerabilities and therefore potentially underestimate exposure burdens in vulnerable populations.
Date:
January 18, 2023
Creator:
Northeim, Kari & Oppong, Joseph R.
System:
The UNT Digital Library
Subjective Functional Difficulties and Subjective Cognitive Decline in Older-Age Adults: Moderation by Age Cohorts and Mediation by Mentally Unhealthy Days
Article discusses how, despite the expected positive association between subjective functional difficulties (SFD) and subjective cognitive decline (SCD), their mediation by mentally unhealthy days (MUDs) is under-studied. This study examined the mediation effect of MUDs on the association between SFD and SCD by age cohorts’ moderation among older adults.
Date:
January 16, 2023
Creator:
Komalasari, Renata; Mpofu, Elias; Prybutok, Gayle & Ingman, Stanley R.
System:
The UNT Digital Library
Measuring flexibility: A text-mining approach
Article describes how, in creativity research, ideational flexibility, the ability to generate ideas by shifting between concepts, has long been the focus of investigation. Here, the authors build from extant research to theoretically posit, and then empirically validate, a text-mining based method for measuring flexibility in verbal divergent thinking (DT) responses.
Date:
January 18, 2023
Creator:
Grajzel, Katalin; Acar, Selcuk; Dumas, Denis; Organisciak, Peter & Berthiaume, Kelly
System:
The UNT Digital Library
Progress in understanding and improving oil content and quality in seeds
Article asserts that the world’s population is projected to increase by two billion by 2050, resulting in food and energy insecurity. This review provides a summary of the current knowledge of oil metabolism and discusses how photochemical activity and unconventional pathways can contribute to high carbon conversion efficiency in seeds.
Date:
January 26, 2023
Creator:
Sagun, Julius Ver; Yadav, Umesh P. & Alonso, Ana Paula
System:
The UNT Digital Library
A metabolomic platform to identify and quantify polyphenols in coffee and related species using liquid chromatography mass spectrometry
Article describes how products of plant secondary metabolism, such as phenolic compounds, flavonoids, alkaloids, and hormones, play an important role in plant growth, development, stress resistance. The authors state that the overall goal of this study was to develop a high-throughput workflow to identify and quantify plant polyphenols.
Date:
January 6, 2023
Creator:
Castro-Moretti, Fernanda R.; Cocuron, Jean-Christophe; Castillo-Gonzalez, Humberto; Escudero-Leyva, Efrain; Chaverri, Priscila; Guerreiro-Filho, Oliveiro et al.
System:
The UNT Digital Library
Scientists warning on the ecological effects of radioactive leaks on ecosystems
Article describes the devastating effects of nuclear radiation and its long-lasting consequences on Earth’s ecosystems. The authors call upon all scientists to communicate the importance of the environmental impacts of such an event to all life forms on Earth, including humankind.
Date:
January 20, 2023
Creator:
Bonacic, Cristián; Medellin, Rodrigo A.; Ripple, William; Sukumar, Raman; Ganswindt, Andre; Padua, Suzana M. et al.
System:
The UNT Digital Library
Post-imprinting modification: electrochemical and scanning electrochemical microscopy studies of a semi-covalently surface imprinted polymer
Authors of the article describe a post-imprinting modification of the imprinted molecular cavities for electrochemical sensing of a target protein. These mesoporous cavities were modified with a ferrocene ‘electrochemical’ tracer for electrochemical transduction of the target protein recognition.
Date:
January 25, 2023
Creator:
Kalecki, Jakub; Cieplak, Maciej; Iskierko, Z.; Piechowska, Joanna; Nogala, Wojciech; D'Souza, Francis et al.
System:
The UNT Digital Library