States

Terahertz spectroscopy of MOFs reveals dynamic structure and contact free ultrafast photoconductivity (open access)

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
Object Type: Article
System: The UNT Digital Library
Effect of Cu and Ni Inclusion on Tribological Performance of Tribocatalytically Active Coatings in Hydrocarbon Environments (open access)

Effect of Cu and Ni Inclusion on Tribological Performance of Tribocatalytically Active Coatings in Hydrocarbon Environments

Article describes how protective coatings are important for enhancing tribological behavior, preventing surface degradation, and reducing friction-induced energy losses during the operation of mechanical systems. The authors study the effect of catalytic metals, specifically their compositions and amount, on the tribocatalysis process.
Date: December 31, 2023
Creator: Sulaimi, Rawan Al; Eskandari, Mohammad; Shirani, Asghar; Macknojia, Ali Zayaan; Miller, Wesley & Berman, Diana
Object Type: Article
System: The UNT Digital Library
Influence of Tools and Cutting Strategy on Milling Conditions and Quality of Horizontal Thin-Wall Structures of Titanium Alloy Ti6Al4V (open access)

Influence of Tools and Cutting Strategy on Milling Conditions and Quality of Horizontal Thin-Wall Structures of Titanium Alloy Ti6Al4V

Article describes how titanium and nickel alloys are used in the creation of components exposed to harsh and variable operating conditions. The authors state that a search is underway for cutting parameters that will minimize the vibration while meeting the quality requirements.
Date: December 18, 2023
Creator: Kurpiel, Szymon; Cudok, Bartosz; Zagórski, Krzysztof; Cieślik, Jacek; Skrzypkowski, Krzysztof & Brostow, Witold, 1934-
Object Type: Article
System: The UNT Digital Library
Symmetry breaking charge transfer leading to charge separation in a far-red absorbing bisstyryl-BODIPY dimer (open access)

Symmetry breaking charge transfer leading to charge separation in a far-red absorbing bisstyryl-BODIPY dimer

Article describes how symmetry breaking charge transfer is one of the important photo-events occurring in photosynthetic reaction centers that is responsible for initiating electron transfer leading to a long-lived charge-separated state and has been successfully employed in light-to-electricity converting optoelectronic devices. In this study, the authors report a newly synthesized, far-red absorbing and emitting BODIPY-dimer to undergo symmetry-breaking charge transfer leading to charge-separated states of appreciable lifetimes in polar solvents.
Date: December 15, 2023
Creator: Yahagh, Aida; Kaswan, Ram R.; Kazemi, Shahrzad; Karr, Paul A. & D'Souza, Francis
Object Type: Article
System: The UNT Digital Library
The 2023 China report of the Lancet Countdown on health and climate change: taking stock for a thriving future (open access)

The 2023 China report of the Lancet Countdown on health and climate change: taking stock for a thriving future

Authors of the article declare that, with growing health risks from climate change and a trend of increasing carbon emissions from coal, it is time for China to take action. The 2023 China report of the Lancet countdown continues to track progress on health and climate change in China, while now also attributing the health risks of climate change to human activities and providing examples of feasible and effective climate solutions.
Date: November 18, 2023
Creator: Zhang, Shihui; Zhang, Chi; Cai, Wenjia; Bai, Yuqi; Callaghan, Max; Chang, Nan et al.
Object Type: Article
System: The UNT Digital Library
Using Machine Learning to Predict Genes Underlying Differentiation of Multipartite and Unipartite Traits in Bacteria (open access)

Using Machine Learning to Predict Genes Underlying Differentiation of Multipartite and Unipartite Traits in Bacteria

Article describes how, since the discovery of the second chromosome in the Rhodobacter spaeroides 2.4.1 in 1989 and the revelation of gene sequences, multipartite genomes have been reported in over three hundred bacterial species under nine different phyla. In this study, the authors have attempted to leverage machine learning as a means to identify the genetic factors that underlie the differentiation of bacteria with multipartite and unipartite genomes.
Date: November 13, 2023
Creator: Almalki, Fatemah; Sunuwar, Janak & Azad, Rajeev K.
Object Type: Article
System: The UNT Digital Library
Silicon versus Superbug: Assessing Machine Learning's Role in the Fight against Antimicrobial Resistance (open access)

Silicon versus Superbug: Assessing Machine Learning's Role in the Fight against Antimicrobial Resistance

Article describes how, in his 1945 Nobel Prize acceptance speech, Sir Alexander Fleming warned of antimicrobial resistance (AMR) if the necessary precautions were not taken diligently. This paper explores the applications of ML in predicting and understanding AMR, highlighting its potential in revolutionizing healthcare practices.
Date: November 8, 2023
Creator: Coxe, Tallon & Azad, Rajeev K.
Object Type: Article
System: The UNT Digital Library
A Novel ppb-Level Sensitive and Highly Selective Europium-Based Diketone Luminescent Sensor for the Quantitative Detection of Aluminum Ions in Water Samples (open access)

A Novel ppb-Level Sensitive and Highly Selective Europium-Based Diketone Luminescent Sensor for the Quantitative Detection of Aluminum Ions in Water Samples

Article describes how a novel Eu(tta)3([4,4′-(t-bu)2-2,2′-bpy)] complex (tta-thenoyltrifluoroacetone), a ratiometric luminescent-based optical sensor for the quantitative determination of aluminum ion, is synthesized and characterized using XRD and 1H NMR. The sensor reported here is tested for 11 common cations and shows no interference on sensitivity. According to the authors, this is the first known Eu-based luminescence sensor that successfully exhibited the ability to detect aluminum ions in ppb levels in aqueous environments.
Date: November 6, 2023
Creator: Rajitha Perera, Nawagamu A. K.; Shankar, Sindhu K.; Archambault, Cynthia M.; Nesterov, Vladimir N.; Marpu, Sreekar; Yan, Hao et al.
Object Type: Article
System: The UNT Digital Library
A gene network-driven approach to infer novel pathogenicity-associated genes: application to Pseudomonas aeruginosa PAO1 (open access)

A gene network-driven approach to infer novel pathogenicity-associated genes: application to Pseudomonas aeruginosa PAO1

Article describes how within the genome of a pathogen is the information regarding factors responsible for its pathogenicity. the authors of the article developed a novel pipeline that uses standard protocol in combination with gene co-expression network of a pathogen constructed using publicly available RNA-Seq data sets.
Date: November 3, 2023
Creator: De, Ronika; Whiteley, Marvin & Aza, Rajeev K.
Object Type: Article
System: The UNT Digital Library
Evaluating Nitrogen Management Practices for Greenhouse Gas Emission Reduction in a Maize Farmland in the North China Plain: Adapting to Climate Change (open access)

Evaluating Nitrogen Management Practices for Greenhouse Gas Emission Reduction in a Maize Farmland in the North China Plain: Adapting to Climate Change

Article describes how quantification of the trade-offs among greenhouse gas emissions, yield, and farmers' incomes is essential for proposing economic and environmental nitrogen (N) management strategies for optimizing agricultural production. A four year field experiment was conducted on maize in the North China Plain.
Date: November 2, 2023
Creator: He, Huayun; Hu, Qi; Pan, Feifei & Pan, Xuebiao
Object Type: Article
System: The UNT Digital Library
A general large-scale synthesis approach for crystalline porous materials (open access)

A general large-scale synthesis approach for crystalline porous materials

Article describes how crystalline porous materials such as covalent organic frameworks (COFs) metal-organic frameworks (MOFs) and porous organic changes (POCs) have been widely applied in various fields with outstanding performances. In this work, the authors developed a general approach comprising high pressure homogenization (HPH), which can realize large-scale synthesis of crystalline porous materials including COFs, MOFs, and POCs under benign conditions.
Date: November 2, 2023
Creator: Liu, Xiongli; Wang, An; Wang, Chunping; Li, Jinli; Zhang, Zhiyuan; Al-Enizi, Abdullah M. et al.
Object Type: Article
System: The UNT Digital Library
A globally synthesized and flagged bee occurrence dataset and cleaning workflow (open access)

A globally synthesized and flagged bee occurrence dataset and cleaning workflow

Article describes how species occurrence data is foundational for research, conservation, and science communication, but the limited availability and accessibility of reliable data represents a major obstacle, particularly for insects, which face mounting pressures. The authors harmonized species names, country names, and collection dates and, we added record-level flags for a series of potential quality issues.
Date: November 2, 2023
Creator: Dorey, James B.; Fischer, Erica E.; Chesshire, Paige R.; Nava-Bolaños, Angela; O'Reilly, Robert L.; Bossert, Silas et al.
Object Type: Article
System: The UNT Digital Library
Differential effects of soil conservation practices on arthropods and crop yields (open access)

Differential effects of soil conservation practices on arthropods and crop yields

Article describes how many agricultural management tactics, such as reduced tillage, aim to promote biodiversity and ecosystem services. Authors assessed how soil tillage and landscape context affected arthropod biodiversity and crop yield in canola crop fields.
Date: October 31, 2023
Creator: Lichtenberg, Elinor M.; Milosavljević, Ivan; Campbell, Alistair J. & Crowder, David W.
Object Type: Article
System: The UNT Digital Library
The refractive index of a single atom experienced by a single photon (open access)

The refractive index of a single atom experienced by a single photon

Article describes how the refractive index of a system is often viewed as the collective response of a medium to an electromagnetic field. By studying the propagation of a single photon interacting with a two-level atom, the authors examine the dispersion behavior, calculate the phase and group velocity of the photon wave packet, and further analyze the dispersion experienced by the photon.
Date: October 25, 2023
Creator: Rostovtsev, Yuri V.; Emerick, Jacob & Patnaik, Anil K.
Object Type: Article
System: The UNT Digital Library
Dominant Role of Hole Transport Pathway in Achieving Record High Photoconductivity in Two-Dimensional Metal-Organic Frameworks (open access)

Dominant Role of Hole Transport Pathway in Achieving Record High Photoconductivity in Two-Dimensional Metal-Organic Frameworks

Article describes how metal-organic frameworks with mobile charges have attracted significant attention due to their potential application in photoelectric devices, chemical resistance sensors, and catalysis. The authors report the mechanisms of photoinduced charge transport and electron dynamics in the conductive 2D M−HHTP MOFs and their correlation with photoconductivity using the combination of time-resolved terahertz spectroscopy, optical transient absorption spectroscopy, X-ray transient absorption spectroscopy, and density functional theory calculations.
Date: October 23, 2023
Creator: Wang, Denan; Ostresh, Sarah; Streater, Daniel; He, Peilei; Nyakuchena, James; Ma, Qiushi et al.
Object Type: Article
System: The UNT Digital Library
The formation channels of multiphase gas in nearby early-type galaxies (open access)

The formation channels of multiphase gas in nearby early-type galaxies

Article describes how the processes responsible for the assembly of cold and warm gas in early-type galaxies (ETGs) are not well understood. The authors report on the multiwavelength properties of 15 non-central, nearby ETGs primary through Multi-Unit Spectroscopic Explorer (MUSE) and Chandra X-ray observations, to address the origin of their multiphase gas.
Date: October 21, 2023
Creator: Eskenasy, Ryan; Olivares, Valeria; Su, Yuanyuan & Li, Yuan
Object Type: Article
System: The UNT Digital Library
Estimating Hausdorff measure for Denjoy maps (open access)

Estimating Hausdorff measure for Denjoy maps

Article describes how the authors plant to deal with orientation preserving homeomorphisms and, more specifically, diffeomorphisms of the unit circle S1. By employing the recurrence method worked out in Pawelec the authors provide effective lower estimates of the proper-dimensional Hausdorff measure of minimal sets of circle homeomorphisms that are not conjugate to any rotation.
Date: October 20, 2023
Creator: Pawelec, Łukasz & Urbański, Mariusz
Object Type: Article
System: The UNT Digital Library
Neuron Navigator 1 (Nav1) regulates the response to cocaine in mice (open access)

Neuron Navigator 1 (Nav1) regulates the response to cocaine in mice

Article describes how genetic variation accounts for much of the risk for developing a substance use disorder, but the underlying genetic factors and their genetic effector mechanisms are mostly unknown. To test their genetic hypothesis, the authors generated and characterized Nav1 knockout mice.
Date: October 18, 2023
Creator: Bagley, Jared R.; Tan, Yalun; Zhu, Wan; Cheng, Zhuanfen; Takeda, Saori; Fang, Zhouqing et al.
Object Type: Article
System: The UNT Digital Library
ARKENSTONE – I. A novel method for robustly capturing high specific energy outflows in cosmological simulations (open access)

ARKENSTONE – I. A novel method for robustly capturing high specific energy outflows in cosmological simulations

Article describes how ARKENSTONE is a new model for multiphase, stellar feedback-driven galactic winds designed for inclusion in coarse resolution cosmological simulations. In this first paper of a series, the authors describe the features that allow ARKENSTONE to properly treat high specific energy wind components and demonstrate them using idealized non-cosmological simulations of a galaxy with a realistic circumgalactic medium (CGM) using the AREPO code.
Date: October 17, 2023
Creator: Smith, Matthew C.; Fielding, Drummond B.; Bryan, Greg L.; Kim, Chang-Goo; Ostriker, Eve C.; Somerville, Rachel S. et al.
Object Type: Article
System: The UNT Digital Library
Time-resolved systems analysis of the induction of high photosynthetic capacity in Arabidopsis during acclimation to high light (open access)

Time-resolved systems analysis of the induction of high photosynthetic capacity in Arabidopsis during acclimation to high light

Article describes how induction of high photosynthetic capacity is a key acclimation response to high light for many herbaceous dicot plants. Here, a systems biology approach was utilized to characterize the induction of high photosynthetic capacity in strongly and weakly acclimating Arabidopsis thaliana accessions.
Date: October 17, 2023
Creator: Baker, Christopher R.; Cocuron, Jean-Christophe; Alonso, Ana Paula & Niyogi, Krishna K.
Object Type: Article
System: The UNT Digital Library
Improving the Selectivity of the C-C Coupled Product Electrosynthesis by Using Molecularly Imprinted Polymer-An Enhanced Route from Phenol to Biphenol (open access)

Improving the Selectivity of the C-C Coupled Product Electrosynthesis by Using Molecularly Imprinted Polymer-An Enhanced Route from Phenol to Biphenol

Authors of the article describe how they developed a procedure for selective 2,4-dimethylphenol, DMPh, direct electro-oxidation to 3,3' ,5,5'-tetramethyl-2,2'-biphenol, TMBh, a C-C coupled product. The authors claim that the procedure is reasonably selective towards TMBh without requiring harmful additives or elevated temperatures.
Date: October 12, 2023
Creator: Sudagar, Alcina Johnson; Shao, Shuai; Żołek, Teresa; Maciejewska, Dorota; Asztemborska, Monika; Cieplak, Maciej et al.
Object Type: Article
System: The UNT Digital Library
Biophotons: New Experimental Data and Analysis (open access)

Biophotons: New Experimental Data and Analysis

Article describes how biophotons are an ultra-weak emission of photons in the visible energy range from living matter. The authors study the emission from germinating seeds using an experimental technique designed to detect light of extremely small intensity.
Date: October 10, 2023
Creator: Benfatto, Maurizio; Pace, Elisabetta; Davoli, Ivan; Francini, Roberto; Matteis, Fabio De; Scordo, Alessandro et al.
Object Type: Article
System: The UNT Digital Library
Enhanced Corrosion Resistance and Surface Wettability of PVDF/ZnO and PVDF/TiO2 Composite Coatings: A Comparative Study (open access)

Enhanced Corrosion Resistance and Surface Wettability of PVDF/ZnO and PVDF/TiO2 Composite Coatings: A Comparative Study

Article describes how this study aims to enhance the practical performance of PVDF/ZnO and PVDF/TiO2 composite coatings known for their distinctive properties. The coatings, applied through spray coating with PVDF and ZnO or TiO2 nanoparticles on glass, steel, and aluminum substrates, underwent a comprehensive evaluation.
Date: October 4, 2023
Creator: Mohamed, Adel M. A.; Alateyah, Abdulrahman I.; Hasan, Hosam; Matli, Penchal Reddy; El-Sayed Seleman, Mohamed M.; Ahmed, Essam et al.
Object Type: Article
System: The UNT Digital Library
Benchmarking Metagenomic Classifiers on Simulated Ancient and Modern Metagenomic Data (open access)

Benchmarking Metagenomic Classifiers on Simulated Ancient and Modern Metagenomic Data

Article describes how taxonomic profiling of ancient metagenomic samples is challenging due to the accumulation of specific damage patterns on DNA over time. The authors performed a comprehensive evaluation on simulated metagenomes representing human dental calculus microbiome, with the level of DNA damage successively raised to mimic modern to ancient metagenomes.
Date: October 2, 2023
Creator: Pusadkar, Vaidehi & Azad, Rajeev K.
Object Type: Article
System: The UNT Digital Library