States

Extraordinary Light-Trapping Enhancement in Silicon Solar Cell Patterned with Graded Photonic Super-Crystals (open access)

Extraordinary Light-Trapping Enhancement in Silicon Solar Cell Patterned with Graded Photonic Super-Crystals

This article explores light-trapping enhancement in newly discovered graded photonic super-crystals (GPSCs) with dual periodicity and dual basis.
Date: December 7, 2017
Creator: Hassan, Safaa; Lowell, David; Adewole, Murthada; George, David; Zhang, Hualiang & Lin, Yuankun
Object Type: Article
System: The UNT Digital Library
An efficient and accurate framework for calculating lattice thermal conductivity of solids: AFLOW—AAPL Automatic Anharmonic Phonon Library (open access)

An efficient and accurate framework for calculating lattice thermal conductivity of solids: AFLOW—AAPL Automatic Anharmonic Phonon Library

This article presents the Automatic Anharmonic Phonon Library.
Date: November 17, 2016
Creator: Plata, Jose J.; Nath, Pinku; Usanmaz, Demet; Carrete, Jesús; Toher, Cormac; de Jong, Maarten et al.
Object Type: Article
System: The UNT Digital Library
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
Computational design of environmental sensors for the potent opioid fentanyl (open access)

Computational design of environmental sensors for the potent opioid fentanyl

This article describes the computational design of proteins that bind the potent analgesic fentanyl.
Date: September 19, 2017
Creator: Bick, Matthew J.; Greisen, Per J.; Morey, Kevin J.; Antunes, Mauricio S.; La, David; Sankaran, Banumathi et al.
Object Type: Article
System: The UNT Digital Library

Experimental and Theoretical Studies of the Reactions of Ground-State Sulfur Atoms With Hydrogen and Deuterium

This article studies the gas-phase kinetics of S(³P) atoms with H₂ and D₂ via the laser flash photolysis--resonance fluorescence technique.
Date: June 20, 2017
Creator: Thompson, Kristopher; Gao, Yide; Marshall, Paul; Wang, Han; Zhou, Linsen; Li, Yongle et al.
Object Type: Article
System: The UNT Digital Library
Black Hole Growth Is Mainly Linked to Host-galaxy Stellar Mass Rather Than Star Formation Rate (open access)

Black Hole Growth Is Mainly Linked to Host-galaxy Stellar Mass Rather Than Star Formation Rate

This article investigates the dependence of black hole accretion rate (BHAR) on host-galaxy star formation rate (SFR) and stellar mass in the CANDELS/GOODS-South field in the redshift range of 0.5 ⩽ z < 2.0.
Date: June 15, 2017
Creator: Yang, G.; Chen, C. -T. J.; Vito, F.; Brandt, William Nielsen; Alexander, David M.; Luo, Bin et al.
Object Type: Article
System: The UNT Digital Library
High-redshift AGN in the Chandra Deep Fields: the obscured fraction and space density of the sub-L∗ population (open access)

High-redshift AGN in the Chandra Deep Fields: the obscured fraction and space density of the sub-L∗ population

This article investigates the population of high-redshift (3≤z<6) active galactic nuclei (AGN) selected in the two deepest X-ray surveys, the 7 Ms Chandra Deep Field-South and 2 Ms Chandra Deep Field-North.
Date: September 26, 2017
Creator: Vito, F.; Brandt, William Nielsen; Yang, G.; Gilli, Roberto; Luo, Bin; Vignali, Christian et al.
Object Type: Article
System: The UNT Digital Library
Exploratory X-Ray Monitoring of Luminous Radio-quiet Quasars at High Redshift: No Evidence for Evolution in X-Ray Variability (open access)

Exploratory X-Ray Monitoring of Luminous Radio-quiet Quasars at High Redshift: No Evidence for Evolution in X-Ray Variability

This article reports on the second installment of an X-ray monitoring project of seven luminous radio-quiet quasars (RQQs).
Date: October 10, 2017
Creator: Shemmer, Ohad; Brandt, William Nielsen; Paolillo, Maurizio; Kaspi, Shai; Vignali, Christian; Lira, Paulina et al.
Object Type: Article
System: The UNT Digital Library
Tracing the accretion history of supermassive black holes through X-ray variability: results from the Chandra Deep Field-South (open access)

Tracing the accretion history of supermassive black holes through X-ray variability: results from the Chandra Deep Field-South

This article studies the X-ray variability properties of distant active galactic nuclei (AGNs) in the Chandra Deep Field-South region over 17 yr, up to z ~ 4, and compare them with those predicted by models based on local samples.
Date: July 14, 2017
Creator: Paolillo, Maurizio; Papadakis, I.; Brandt, William Nielsen; Luo, Bin; Xue, Yongquan; Tozzi, Paolo et al.
Object Type: Article
System: The UNT Digital Library
Identification of bottlenecks in the accumulation of cyclic fatty acids in camelina seed oil (open access)

Identification of bottlenecks in the accumulation of cyclic fatty acids in camelina seed oil

This article proposes a model for the accumulation of substantial levels of cyclopropane fatty acids (CPA) in camelina, and discusses the differences between CPA accumulation in camelina and Arabidopsis.
Date: July 10, 2017
Creator: Yu, Xiao-Hong; Cahoon, Rebecca E.; Horn, Patrick J.; Shi, Hai; Prakash, Richa R.; Cai, Yuanheng et al.
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
Descriptors for Pentane-2,4-dione and Its Derivatives (open access)

Descriptors for Pentane-2,4-dione and Its Derivatives

This article uses equations for partition coefficients of compounds from water and the gas phase to various solvents to obtain descriptors for pentane-2,4-dione and 21 of its derivatives.
Date: August 19, 2017
Creator: Abraham, M. H. (Michael H.) & Acree, William E. (William Eugene)
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
Dioxygen: What Makes This Triplet Diradical Kinetically Persistent? (open access)

Dioxygen: What Makes This Triplet Diradical Kinetically Persistent?

This article examines experimental heats of formation and enthalpies obtained from G4 calculations to find that the resonance stabilization of the two unpaired electrons in triplet O₂, relative to the unpaired electrons in two hydroxyl radicals, amounts to 100 kcal/mol.
Date: June 14, 2017
Creator: Borden, Weston T.; Hoffmann, Roald; Stuyver, Thijs & Chen, Bo
Object Type: Article
System: The UNT Digital Library
Environmental vibrios represent a source of antagonistic compounds that inhibit pathogenic Vibrio cholerae and Vibrio parahaemolyticus strains (open access)

Environmental vibrios represent a source of antagonistic compounds that inhibit pathogenic Vibrio cholerae and Vibrio parahaemolyticus strains

This article predicts that marine-derived bacteria should inhibit Vibrio pathogens and may be a source of unique antibiotic compounds.
Date: March 10, 2017
Creator: Burks, David J.; Norris, Stephen; Kauffman, Kathryn M.; Joy, Abigail; Arevalo, Philip; Azad, Rajeev K. et al.
Object Type: Article
System: The UNT Digital Library
Calculation of Five Thermodynamic Molecular Descriptors by Means of a General Computer Algorithm Based on the Group-Additivity Method: Standard Enthalpies of Vaporization, Sublimation and Solvation, and Entropy of Fusion of Ordinary Organic Molecules and Total Phase-Change Entropy of Liquid Crystals (open access)

Calculation of Five Thermodynamic Molecular Descriptors by Means of a General Computer Algorithm Based on the Group-Additivity Method: Standard Enthalpies of Vaporization, Sublimation and Solvation, and Entropy of Fusion of Ordinary Organic Molecules and Total Phase-Change Entropy of Liquid Crystals

This article presents the calculation of the standard enthalpies of vaporization, sublimation and solvation of organic molecules using a common computer algorithm on the basis of a group-additivity method.
Date: June 25, 2017
Creator: Naef, Rudolf & Acree, William E. (William Eugene)
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
Commentary on “Uncover the Effect of Solvent and Temperature on Solid-Liquid Equilibrium Behavior of L-Norvaline” (open access)

Commentary on “Uncover the Effect of Solvent and Temperature on Solid-Liquid Equilibrium Behavior of L-Norvaline”

This article provides a commentary on several sets of reported curve-fit parameters for the Modified Apelblat model that do not correctly back-calculate the observed solubility behavior of L-norvaline in the binary aqueous-alcohol solvent mixtures.
Date: September 18, 2017
Creator: Acree, William E. (William Eugene)
Object Type: Article
System: The UNT Digital Library
Commentary on “Experimental Measurements and Equilibrium Study of Functional D-Sorbitol in Good and Anti-Solvent Binary Mixtures” (open access)

Commentary on “Experimental Measurements and Equilibrium Study of Functional D-Sorbitol in Good and Anti-Solvent Binary Mixtures”

This article provides a commentary on the published equation coefficients for mathematically describing the solubility behavior of D-sorbitol in binary acetonitrile + ethanol solvent mixtures using the modified Apelblat, Combined Nearly Ideal Binary Solvent/Redlich-Kister (CNIBS/R-K) and Jouyban-Acree models.
Date: June 17, 2017
Creator: Acree, William E. (William Eugene)
Object Type: Article
System: The UNT Digital Library
Commentary on “Studies on Molar Volume, Dielectric Properties and Refractive Indices of Cyanex 923 + Benzene/Xylene at 300 K” (open access)

Commentary on “Studies on Molar Volume, Dielectric Properties and Refractive Indices of Cyanex 923 + Benzene/Xylene at 300 K”

This article provides a commentary on Redlich-Kister equation coefficients for binary benzene + cyanex 923 and xylene + cyanex 923.
Date: June 21, 2017
Creator: Acree, William E. (William Eugene)
Object Type: Article
System: The UNT Digital Library

Further Calculations on Solubility of 2-Chloro-3-(Trifluoromethyl)Pyridine in Ethanol + 1-Propanol Solvent Mixtures at Various Temperatures

This article reports on the reanalysis of reported calculations on solubility data of 2-chloro-3-(trifluoromethyl)pyridine in binary ethanol + 1-propanol solvent mixtures at various temperatures, and several additional points regarding the correlations.
Date: May 25, 2017
Creator: Jouyban, Abolghasem; Martínez, Fleming & Acree, William E. (William Eugene)
Object Type: Article
System: The UNT Digital Library
Concept Inventory Development Reveals Common Student Misconceptions about Microbiology (open access)

Concept Inventory Development Reveals Common Student Misconceptions about Microbiology

This article identifies misconceptions in microbiology held by undergraduate students upon entry into an introductory, general microbiology course.
Date: October 30, 2017
Creator: Briggs, Amy G.; Hughes, Lee E.; Brennan, R. E.; Buchner, John; Horak, Rachel E. A.; Katz-Amburn, D. Sue et al.
Object Type: Article
System: The UNT Digital Library
Development, Validation, and Application of the Microbiology Concept Inventory (open access)

Development, Validation, and Application of the Microbiology Concept Inventory

This article describes the creation and validation of a new microbiology concept inventory using the American Society for Microbiology Curriculum Guidelines.
Date: October 5, 2017
Creator: Paustian, Timothy D.; Briggs, Amy G.; Brennan, R. E.; Boury, Nancy; Buchner, John; Harris, Shannon et al.
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