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Deciphering pathogenicity and antibiotic resistance islands in methicillin-resistant Staphylococcus aureus genomes (open access)

Deciphering pathogenicity and antibiotic resistance islands in methicillin-resistant Staphylococcus aureus genomes

This article explores the use of an information-entropy-based gene clustering method for genomic island detection in MRSA.
Date: November 16, 2017
Creator: Jani, Mehul; Sengupta, Soham; Hu, Kelsey & Azad, Rajeev K.
Object Type: Article
System: The UNT Digital Library
Abraham Model Correlations for Triethylene Glycol Solvent Derived from Infinite Dilution Activity Coefficient, Partition Coefficient and Solubility Data Measured at 298.15 K (open access)

Abraham Model Correlations for Triethylene Glycol Solvent Derived from Infinite Dilution Activity Coefficient, Partition Coefficient and Solubility Data Measured at 298.15 K

This article describes the use of a gas chromatographic headspace analysis method to experimentally determine gas-to-liquid partition coefficients and infinite dilution activity coefficients for 29 liquid organic solutes dissolved in triethylene glycol at 298.15 K.
Date: November 9, 2017
Creator: Sedov, Igor A.; Magsumov, Timur I.; Hart, Erin; Ramirez, Ashley M.; Cheeran, Sarah; Barrera, Maribel et al.
Object Type: Article
System: The UNT Digital Library
Commentary on “Extended Hildebrand Approach: An Empirical Model for Solubility Prediction of Etodolac in 1,4-Dioxane and Water Mixtures” (open access)

Commentary on “Extended Hildebrand Approach: An Empirical Model for Solubility Prediction of Etodolac in 1,4-Dioxane and Water Mixtures”

This article provides a commentary on mathematical errors concerning the incorrect conversion of mass fraction to volume fraction concentrations of 1,4-dioxane, the incorrect conversion of mole fraction solubilities to molar solubilities of Etodolac, and the incorrect calculation of the ideal mole fraction solubility of Etodolac.
Date: November 6, 2017
Creator: Acree, William E. (William Eugene)
Object Type: Article
System: The UNT Digital Library
The future of legume genetic data resources: Challenges, opportunities, and priorities (open access)

The future of legume genetic data resources: Challenges, opportunities, and priorities

This article is a commentary on the future of legume genetic data resources and summarizes the workshop held in March of 2019 by the Legume Genomic Data Working Group that addressed questions of data resources and priorities for legumes.
Date: August 5, 2019
Creator: Legume Genomic Data Working Group
Object Type: Article
System: The UNT Digital Library
A random walk version of Robbins' problem: small horizon (open access)

A random walk version of Robbins' problem: small horizon

This article considers an analogous problem in which the observed random variables are the steps of a symmetric random walk. Assuming continuously distributed step sizes, it describes the optimal stopping rules for the cases n = 2 and n = 3 in two versions of the problem: a "full information" version in which the actual steps of the random walk are disclosed to the decision maker; and a "partial information" version in which only the relative ranks of the positions taken by the random walk are observed. When n = 3, the optimal rule and expected rank depend on the distribution of the step sizes. The authors give sharp bounds for the optimal expected rank in the partial information version, and fairly sharp bounds in the full information version.
Date: November 17, 2018
Creator: Allaart, Pieter C. & Allen, Andrew
Object Type: Article
System: The UNT Digital Library
In situ cardiac performance of Atlantic cod (Gadus morhua) at cold temperatures: long-term acclimation, acute thermal challenge and the role of adrenaline (open access)

In situ cardiac performance of Atlantic cod (Gadus morhua) at cold temperatures: long-term acclimation, acute thermal challenge and the role of adrenaline

This article measures the cardiac performance of Newfoundland Atlantic cod (Gadus morhua). The results: (1) show that maximum performance of the isolated cod heart is not compromised by exposure to cold temperatures; and (2) support data from other studies, which show that, in contrast to salmonids, cod cardiac performance/myocardial contractility is not dependent upon humoral adrenergic stimulation.
Date: November 15, 2012
Creator: Lurman, Glenn J. & Petersen, L. H.
Object Type: Article
System: The UNT Digital Library
Xenopus and the art of oxygen maintenance (open access)

Xenopus and the art of oxygen maintenance

This column article discusses the impact of Robert Boutillier and Graham Shelton's 1986 Journal of Experimental Biology paper "Gas exchange, storage and transport in voluntarily diving Xenopus laevis."
Date: November 15, 2017
Creator: Tattersall, Glenn & Burggren, Warren W.
Object Type: Article
System: The UNT Digital Library
Embryonic developmental oxygen preconditions cardiovascular functional response to acute hypoxic exposure and maximal β-adrenergic stimulation of anesthetized juvenile American alligators (Alligator mississippiensis) (open access)

Embryonic developmental oxygen preconditions cardiovascular functional response to acute hypoxic exposure and maximal β-adrenergic stimulation of anesthetized juvenile American alligators (Alligator mississippiensis)

Article investigating the effect of embryonic hypoxia on the cardiovascular phenotype of 4-year-old American alligators (Alligator mississippiensis). The findings indicate that embryonic hypoxia in crocodilians alters the cardiovascular phenotype, changing the juvenile response to acute hypoxia and β-adrenergic stimulation.
Date: January 26, 2018
Creator: Smith, Brandt R.; Crossley, Janna; Elsey, Ruth M.; Hicks, James W. & Crossley, Dane A., II
Object Type: Article
System: The UNT Digital Library
Effects of Strategically Placed Water Droplets on Monolayer Growth of Molybdenum Disulfide (open access)

Effects of Strategically Placed Water Droplets on Monolayer Growth of Molybdenum Disulfide

This article presents results of molybdenum disulfide monolayer (MoS₂) growth by strategically placing water droplets on the growth substrate and/or in the source prior to its loading in the growth chamber.
Date: November 21, 2018
Creator: Jiang, Yan; Lin, Yuankun; Cui, Jingbiao & Philipose, Usha
Object Type: Article
System: The UNT Digital Library
Hydrogenase Biomimetics with Redox-Active Ligands: Synthesis, Structure, and Electrocatalytic Studies on [Fe₂(CO)₄(κ²-dppn)(µ-edt)] (edt = Ethanedithiolate; dppn = 1,8-bis(Diphenylphosphino)Naphthalene) (open access)

Hydrogenase Biomimetics with Redox-Active Ligands: Synthesis, Structure, and Electrocatalytic Studies on [Fe₂(CO)₄(κ²-dppn)(µ-edt)] (edt = Ethanedithiolate; dppn = 1,8-bis(Diphenylphosphino)Naphthalene)

This article reports the preparation and characterisation of the simple dppn complex,[Fe2(CO)4(κ2-dppn)(µ-edt)], together with an investigation of its proton-reduction ability.
Date: November 20, 2018
Creator: Ghosh, Shishir; Rana, Shahed; Hollingsworth, Nathan; Richmond, Michael G.; Kabir, Shariff E. & Hogarth, Graeme
Object Type: Article
System: The UNT Digital Library
Relative Rate Studies of the Reactions of Atomic Chlorine with Acetone and Cyclic Ketones (open access)

Relative Rate Studies of the Reactions of Atomic Chlorine with Acetone and Cyclic Ketones

This article discusses the measurement of rate coefficients for CI atom reactions under ambient conditions with acetone and four cyclic ketones.
Date: November 23, 2017
Creator: Herath, Thushani N.; Orozco, Ivan & Marshall, Paul
Object Type: Article
System: The UNT Digital Library
Isorhamnetin Inhibits Proliferation and Invasion and Induces Apoptosis through the Modulation of Peroxisome Proliferator-activated Receptor γ Activation Pathway in Gastric Cancer (open access)

Isorhamnetin Inhibits Proliferation and Invasion and Induces Apoptosis through the Modulation of Peroxisome Proliferator-activated Receptor γ Activation Pathway in Gastric Cancer

Article investigating the potential effects of isorhamnetin (IH), a 3′-O-methylated metabolite of quercetin on the peroxisome proliferator-activated receptor γ (PPAR-γ) signaling cascade using proteomics technology platform, GC cell lines, and xenograft mice model. The study y proposes a novel agent for gastric cancer treatment.
Date: November 2, 2012
Creator: Ramachandran, Lalitha; Manu, Kanjoormana Aryan; Shanmugam, Muthu K.; Li, Feng; Siveen, Kodappully Sivaraman; Vali, Shireen et al.
Object Type: Article
System: The UNT Digital Library
Form and Function of the Vertebrate and Invertebrate Blood-Brain Barriers (open access)

Form and Function of the Vertebrate and Invertebrate Blood-Brain Barriers

Article reviewing blood-brain barriers (BBBs) in their various forms in both invertebrates and vertebrates, with an emphasis on the function, evolution, and conditional relevance of popular animal models such as the fruit fly and the zebrafish to mammalian BBB research.
Date: November 9, 2021
Creator: Dunton, Alicia D.; Göpel, Torben; Ho, Dao H. & Burggren, Warren W.
Object Type: Article
System: The UNT Digital Library
All-acoustic signal modulation and logic operation via defect induced cavity effects in phononic crystal coupled-resonator acoustic waveguides (open access)

All-acoustic signal modulation and logic operation via defect induced cavity effects in phononic crystal coupled-resonator acoustic waveguides

Article describes experiment where a coupled resonant acoustic waveguide (CRAW) in a phononic crystal (PnC) was engineered to manipulate the propagation of ultrasonic waves within a conventional phononic bandgap for wavelength division multiplexing.
Date: November 6, 2019
Creator: Reyes, Delfino; Walker, Ezekiel; Zubov, Yurii; Heo, Hyeonu; Krokhin, Arkadii A. & Neogi, Arup
Object Type: Article
System: The UNT Digital Library
Growth of Highly-Ordered Metal Nanoparticle Arrays in the Dimpled Pores of an Anodic Aluminum Oxide Template (open access)

Growth of Highly-Ordered Metal Nanoparticle Arrays in the Dimpled Pores of an Anodic Aluminum Oxide Template

Article presents a reliable, scalable, and inexpensive technology for the fabrication of ordered arrays of metal nanoparticles with large areal coverage on various substrates. Using a simple model, the experimental results were interpreted and supported by numerical estimations.
Date: November 8, 2022
Creator: Farmer, Gavin; Abraham, James; Littler, Chris; Syllaios, A. J. & Philipose, Usha
Object Type: Article
System: The UNT Digital Library
Covalency in Fe2O3 and FeO: Consequences for XPS satellite intensity (open access)

Covalency in Fe2O3 and FeO: Consequences for XPS satellite intensity

Article examines the covalent character of the interaction between the metal cation and the oxygen ligands for two Fe oxides with different nominal oxidation states, Fe(II)O, and Fe(III)₂O₃.
Date: November 17, 2020
Creator: Bagus, Paul S.; Nelin, Connie J.; Brundle, C. R.; Crist, B. Vincent; Lahiri, N. & Rosso, Kevin M.
Object Type: Article
System: The UNT Digital Library
Nanoextraction Coupled to Liquid Chromatography Mass Spectrometry Delivers Improved Spatially Resolved Analysis (open access)

Nanoextraction Coupled to Liquid Chromatography Mass Spectrometry Delivers Improved Spatially Resolved Analysis

Article describes a study which demonstrates that it is possible to significantly improve the repeatability of the direct analyte-probed nanoextraction (DAPNe) technique by incorporating a liquid chromatography separation step.
Date: November 20, 2019
Creator: Lewis, Holly-May; Webb, Roger P.; Verbeck, Guido F.; Bunch, Josephine; de Jesus, Janella; Costa, Catia et al.
Object Type: Article
System: The UNT Digital Library
Square Roots of Real 3 x 3 Matrices vs. Quartic Polynomials with Real Zeros (open access)

Square Roots of Real 3 x 3 Matrices vs. Quartic Polynomials with Real Zeros

Article on the analogy between the description of the real square roots of 3x3 matrices and the zeros of the (depressed) real quartic polynomial, using the Cayley-Hamilton theorem.
Date: November 2017
Creator: Anghel, Nicolae
Object Type: Article
System: The UNT Digital Library
Chemical and Genetic Studies on the Formation of Pyrrolones During the Biosynthesis of Cytochalasans (open access)

Chemical and Genetic Studies on the Formation of Pyrrolones During the Biosynthesis of Cytochalasans

This article investigates the role of the highly conserved α,β-hydrolase enzymes PyiE and ORFZ during the biosynthesis of pyrichalasin H and the ACE1 metabolite, respectively, using gene knockout and complementation techniques. Taken together the results suggest that the α,β-hydrolase enzymes are essential for first ring cyclisation, but the precise nature of the intermediates remains to be determined.
Date: November 4, 2020
Creator: Zhang, Haili; Hantke, Verena; Bruhnke, Pia; Skellam, Elizabeth & Cox, Russell J.
Object Type: Article
System: The UNT Digital Library
Effect of increased embryonic temperature during developmental windows on survival, morphology and oxygen consumption of rainbow trout (Oncorhynchus mykiss) (open access)

Effect of increased embryonic temperature during developmental windows on survival, morphology and oxygen consumption of rainbow trout (Oncorhynchus mykiss)

This article applies a developmental 3-dimensional critical window experimental design for a vertebrate, using time, temperature, and phenotypic response (i.e., variables measured). To assess thermal effects on fish development, the authors examined trout hatchling phenotypes following rearing in constant temperatures (5, 10, 15 and 17.5 °C) and following exposure to increased temperature above 5 °C during specific developmental windows.
Date: November 2, 2020
Creator: Melendez, Christopher L. & Mueller, Casey A.
Object Type: Article
System: The UNT Digital Library
CaMV35S promoter – A plant biology and biotechnology workhorse in the era of synthetic biology (open access)

CaMV35S promoter – A plant biology and biotechnology workhorse in the era of synthetic biology

This review article calls for establishing the CaMV 35S promoter as a quantitative reference standard for transcription activity in plants.
Date: November 18, 2020
Creator: Amack, Stephanie C. & Antunes, Mauricio S.
Object Type: Article
System: The UNT Digital Library
Genetic Mutations in the S-loop of Human Glutathione Synthetase: Links Between Substrate Binding, Active Site Structure and Allostery (open access)

Genetic Mutations in the S-loop of Human Glutathione Synthetase: Links Between Substrate Binding, Active Site Structure and Allostery

This article uses molecular dynamics simulations and experimental point mutations to probe the role of S-loop residues in tertiary structure, substrate binding, and allosteric communication.
Date: November 29, 2018
Creator: Ingle, Brandall L.; Shrestha, Bibesh; De Jesus, Margarita C.; Conrad-Webb, Heather M.; Anderson, Mary E. & Cundari, Thomas R., 1964-
Object Type: Article
System: The UNT Digital Library
Computational Study of 3d Metals and Their Influence on the Acidity of Methane C–H Bonds (open access)

Computational Study of 3d Metals and Their Influence on the Acidity of Methane C–H Bonds

Article describes experiment where CCSD(T) methods in conjunction with correlation consistent basis sets were used to predict the pKa for the deprotonation of methane in a 3d metal ion adduct, [M···CH4]+ (M = Sc–Cu), in dimethyl sulfoxide solvent, which is modeled by the SMD continuum solvent model.
Date: November 19, 2019
Creator: Zhou, Christopher X. & Cundari, Thomas R., 1964-
Object Type: Article
System: The UNT Digital Library
Charged Particle Reflection by a Planar Artificially Structured Boundary With Electrostatic Plugging (open access)

Charged Particle Reflection by a Planar Artificially Structured Boundary With Electrostatic Plugging

This article uses a classical trajectory Monte Carlo simulation to investigate an artificially structured boundary for confinement and control of charged particles.
Date: November 30, 2017
Creator: Hedlof, R. M. & Ordonez, Carlos A.
Object Type: Article
System: The UNT Digital Library