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Lightning, Downed Power Line Form Intriguing Rock Structure in Denton, Texas
This article describes a vitrified soil structure, formed by atmospheric and human activity, possessing characteristics of igneous and metamorphic rocks.
Using Water-Solvent Systems To Estimate In Vivo Blood-Tissue Partition Coefficients
This article discusses water-solvent systems for estimating in vivo blood-tissue partition coefficients.
Caution and Consensus in American Business Meetings
This article focuses on the ways in which cautiousness is exercised to achieve consensus in American business meetings.
Visualizing Ground-Water-Flow Fields and Contaminant Plumes in an Undergraduate Hydrogeology Course
This article discusses the use of three-dimensional visualization methods to augment traditional contouring methods in an undergraduate ground-water course.
Rediscovery of the Elements: The Rare Earths - The Beginnings
This article explores the rare earths, the chemically similar elements that occupy the f-block of the Periodic Table and the Group III chemical family. The articles shows the locations that certain rare earths were originally found. It also gives details on where the elements can be found currently, as well as major production areas. The cover of the Fall 2015 Hexagon journal (Vol. 106, Issue 3) features the Mountain Pass rare earth ore body in Southern California, which is mentioned in the article on pages 40-45 of the journal. A description of the photo on the cover of the journal can be found on page 38.
Rediscovery of the Elements: The Rare Earths - The Confusing Years
This article gives a timeline of research conducted on the rare earths, 17 elements found in the f-block and Group III chemical family of the Periodic Table. It covers discoveries made after the success of Swedish chemist, Carl Gustaf Mosander. The article describes the categorization of the rare earths that took place after Mosander's time, as well as separation techniques that developed.
Recent Advances in Photoinduced Electron Transfer Processes of Fullerene-Based Molecular Assemblies and Nanocomposites
This article surveys photosensitized electron-transfer processes of fullerenes hybridized with electron donating or other electron accepting molecules.
Buckminsterfullerene, C₆₀: Improved Synthesis, Electron Microscopy, Electron States, Anions and Related Aspects
This article describes the synthesis and characterization of C₆₀, by means of electron microscopy, electron states, cyclic voltammetry and other techniques.
Investigation of Structural and Optical Properties of Ag Nanoclusters Formed in Si(100) After Multiple Implantations of Low Energies Ag Ions and Post-Thermal Annealing at a Temperature Below the Ag-Si Eutectic Point
This paper investigates the synthesis of Ag NCs in Si(100) substrate by implanting multiple energies and fluences of Ag ions and subsequent thermal annealing.
Singlet Quenching of Tetraphenylporphyrin and its Metal Derivatives by Iron(III) Coordination Compounds
This article reports on the singlet quenching of 5, 10, 15, 20-tetraphenylporphyrin (H₂TPP) and its magnesium(II) and zinc(II) derivatives (MgTPP and ZnTPP) by a series of iron(III) coordination compounds bearing different ligand systems.
Radial Expansion of a Low Energy Positron Beam Passing Through a Cold Electron Plasma within a Uniform Magnetic Field
This paper from the 23rd Conference on Application of Accelerators in Research and Industry conference proceedings studies the radial expansion of a low energy positron beam passing through a cold electron plasma within a uniform magnetic field using a classical trajectory Monte Carlo simulation.
Extreme Empiricism: John Howard, Poetry, and the Thermometrics of Reform
This article examines an outpouring of printed poems and biographical publications in the 1780s and 1790s that sought to shape the public image of the celebrated prison reformer John Howard
Pseudopotential-Based Correlation Consistent Composite Approach (rp-ccCA) for First- and Second-Row Transition Metal Thermochemistry
This article uses the relativistic-pseudopotential correlation consistent approach (rp-ccCA) to determine the enthalpy of formation of 24 first row (3d) transition metal compounds.
Viperatoxin-II: A novel viper venom protein as an effective bactericidal agent
This article discusses purification and characterization of proteins from Indian Russell's viper snake venom.
A New Way to Understand and Address Women's Health in the Context of Complex Systems: Self-organizing Criticality
This article examines how self-organizing criticality can assist in answering complex questions in health and health care systems.
Carbon-Hydrogen Bond Activation, C-N Bond Coupling, and Cycloaddition Reactivity of a Three-Coordinate Nickel Complex Featuring a Terminal Imido Ligand
In this study, we describe reaction chemistry of the first nickel(II) complexes having a terminally bound imido ligand, (dtbpe)Ni=NR (R = 2,6-ⁱPr₂C₆H₃, 2,3,6-Me₃C₆H₂ (Mes), and Ad) with various small unsaturated molecules.
Flocculation-Related Gene Identification by Whole-Genome Sequencing of Thauera aminoaromatica MZ1T Floc-Defective Mutants
This article discusses the identification of genes responsible for bacterial flocculation using a whole-genome phenotypic-sequencing technique.
Ion Beam Analysis of Microcrystalline Quartz Artifacts from the Reed Mound Site, Delaware County, Oklahoma
This paper from the 23rd Conference on Application of Accelerators in Research and Industry conference proceedings evaluates the potential of particle induced X-ray emission spectrometry as a tool for future Ozarks chert provenance studies based on its ability to facilitate discrimination of Ozarks chert materials from different geological formations and identification of discrete groups of artifacts from the same geological formation.
Laser Ablated Carbon Nanodots for Light Emission
This article reports the synthesis of fluorescent carbon dots-like nanostructures obtained through the laser ablation of a carbon solid target in liquid environment is reported.
Reformulation of DFT + U as a Pseudohybrid Hubbard Density Funcitonal for Accelerated Materials Discovery
This article introduces ACBN0, a pseudohybrid Hubbard density functional that yields an improved prediction of the band structure of insulators such as transition-metal oxides, with only a negligible increase in computational cost.
The Multifaceted Role of Curcumin in Cancer Prevention and Treatment
This review focuses on the diverse molecular targets modulated by curcumin that contribute to its efficacy against various human cancers.
Identification and Network-Enabled Characterization of Auxin Response Factor Genes in Medicago truncatula
This article discusses a comprehensive analysis of the Medicago truncatula genome and transcriptome that entailed search for novel Auxin Response Factor genes and the co-expression networks.
The assumption of a reliable instrument and other pitfalls to avoid when considering the reliability of data
This article helps researchers avoid common pitfalls associated with reliability including incorrectly assuming that measurement error always attenuates observed score correlations, different sources of measurement error originate from the same source, and reliability is a function of instrumentation.
Synthesis and Characterization of Dimethylbis(2-pyridyl)borate Nickel(II) Complexes: Unimolecular Square-Planar to Square-Planar Rotation around Nickel(II)
This article reports the synthesis, characterization, and solution dynamics of the novel nickel(II) complexes (dimethylbis(2-pyridyl)borate)(triphenylphosphine)nickel(II) chloride (4) and (dimethylbis(2-pyridyl)borate)nickel(II) acetylacetonate (6).
Artificially Structured Boundary as a Charged Particle Beam Deflector Shield
This paper from the 23rd Conference on Application of Accelerators in Research and Industry conference proceedings studies the possibility of using a planar artificially structured boundary as a charged particle beam deflector shield via classical trajectory Monte Carlo simulation.
Multiple Aperture-Based Antihydrogen Parallel Plate Gravity Experiment
This paper from the 23rd Conference on Application of Accelerators in Research and Industry conference proceedings describes an experiment that could be carried out at the CERN Antiproton Decelerator facility to determine the direction of acceleration of antihydrogen in the earth's gravitational field.
Commentary on "Solubility and solution thermodynamics of cetilistat in water and (acetone, isopropyl alcohol, acetonitrile) binary solvent mixtures"
This article reanalyzes experimental solubility data reported in the recent paper "Solubility and solution thermodynamics of cetilistat in water and (acetone, isopropyl alcohol, acetonitrile) binary solvent mixtures" in the Journal of Molecular Liquids.
Solubility and preferential solvation of some n-alkyl-parabens in methanol + water mixtures at 298.15 K
This article describes methyl, ethyl and propyl parabens equilibrium solubility as determined in (methanol + water) binary mixtures at 298.15 K.
Computational Identification of Amino-Acid Mutations that Further Improve the Activity of a Chalcone-Flavonone Isomerase from Glycine max
This article discusses a computational approach that combines multiple sequence alignment, positive selection detection, and molecular docking to identify and design beneficial amino-acid mutations that further improve the intramolecular-cyclization activity of a chalcone-flavonone isomerase from Glycine max (GmCHI).
Sustainable Science? Reducing the Carbon Impact of Scientific Mega-Meetings
This article uses 9 years of annual meeting attendance data from the Ecological Society of American and the Association of American Geographers to assess the efficacy of two additional solutions: 1) alternate large national meetings that require significant air travel with smaller regional meetings that do not; and 2) incorporate geography into the meeting location selection process.
Commentary on "Measurement and Correlation of the Solubility of Telmisartan (Form A) in Nine Different Solvents from 277.85 to 338.35 K"
This article presents the correct computation methodology for determining solute descriptors from experimental solubility data.
Commentary on "Effect of β-alanine and the solvent composition on the solubility of solvate of calcium D-pantothenate containing four molecules of methanol and one molecule of water (D-PC·4MeOH·1H₂O)"
This article points out problems associated with two of the mathematical treatments used by authors Han et al. (2017) for the solubility behavior of calcium D-panthenate solvate as the mole fraction concentration β-alanine approaches zero.
Phase Transition Enthalpy Measurements of Organic and Organometallic Compounds and Ionic Liquids. Sublimation, Vaporization and Fusion Enthalpies From 1880 to 2015. Part 2. C11-C192.
This article updates the second part of a compendium of phase change enthalpies published in 2010 to include the period 1880-2015.
Generalized parameter-free duality models in discrete minmax fractional programming based on second-order optimality conditions
This article discusses the construction of six generalized second-order parameter-free duality models, and proves several weak, strong, and strict converse duality theorems for a discrete minmax fractional programming problem using two partitioning schemes and various types of generalized second-order (ℱ, β, ɸ, 𝜌, θ, 𝑚)-univexity assumptions.
Abraham Model Linear Free Energy Relationships as a Means of Extending Solubility Studies to Include the Estimation of Solute Solubilities in Additional Organic Solvents
This article calculates Abraham model solute descriptors for 5-nitro-8-hydroxyquinoline, 2-methyl-6-nitroaniline, and terephthaldialdehyde using experimental solubility data taken from papers published in The Journal of Chemical Thermodynamics in 2016.
Archaeology, Heritage, and Moral Terrains: Two Cases from the Mesa Verde Region
This article applies an environmental justice lens to two archaeological research narratives, one centering on chemical analysis of biomolecular artifact residues and the other on paleohydrology and Pueblo farming.
Commentary on "Thermodynamic equilibrium of hydroxyacetic acid in pure and binary solvent systems"
This article discusses published mathematical representations by Huant et al. (2017) for describing how the measured mole fraction solubility varies with solvent composition in the binary (ethanol + ethyl acetate) and binary (acetone + ethanol) solvent systems.
A chemical genetic screen uncovers a small molecule enhancer of the N-acylethanolamine degrading enzyme, fatty acid amide hydrolase, in Arabidopsis
This article demonstrates the feasibility of using an unbiased chemical genetic approach to identify new pharmacological tools for manipulating FAAH- and NAE-mediated physiological processes in plants.
Validation of a Non-Targeted LC-MS Approach for Identifying Ancient Proteins: Method Development on Bone to Improve Artifact Residue Analysis
This article discusses validation of the potential of an extraction and characterization approach via application to ancient bone proteins, as part of a larger method-development project for innovation and improvement of liquid chromatography - mass spectrometry analysis of protein residues from cooking pottery.
Enthalpies of solution and enthalpies of solvation of organic solutes in ethylene glycol at 298.15 K: prediction and analysis of intermolecular interaction contributions
This article studies thermochemistry of solvation of inert gases and organic solutes in ethylene glycol was thoroughly studied using solution calorimetry technique.
Phase Transition Enthalpy Measurements of Organic and Organometallic Compounds. Sublimation, Vaporization and Fusion Enthalpies From 1880 to 2015. Part 1. C1-C10
This article updates a compendium of phase change enthalpies published in 2010 to include the period 1880-2015.
Solution thermodynamics and preferential solvation of sulfamethazine in (methanol + water) mixtures
This article discusses the determination of the solubility of sulfamethazine (SMT) in {methanol (1) + water (2)} co-solvent mixtures at five different temperatures from 293.15 K to 313.15 K. The Jouyban-Acree model was used to correlate/predict the solubility values.
Non-invasive Measures of Core Temperature versus Ingestible Thermistor during Exercise in the Heat
This article discusses a study to cross-validate temporal, two tympanic devices, and oral devices compared to an ingestible thermistor during exercise in a hot, humid environment.
Electrochemically synthesized polymers in molecular imprinting for chemical sensing
This critical review describes a class of polymers prepared by electrochemical polymerization that employs the concept of molecular imprinting for chemical sensing.
A novel statistical method for rare-variant association studies in general pedigrees
In this paper, the authors discuss a novel statistical method for rare-variant association studies in general pedigrees for quantitative traits. This method uses a retrospective view that treats the traits as fixed and the genotypes as random, which accounts for complex and undefined ascertainment of families.
Role of the left aortic arch and blood flows in embryonic American alligator (Alligator mississippiensis)
This article investigates the role of the left aorta (LAo) in embryonic American alligators by surgically occluding the LAo and measuring oxygen consumption and, in addition, measured hemodynamic responses to hypoxia in embryonic alligators.
Unconventional height functions in simultaneous Diophantine approximation
This article discusses three examples of nonstandard height functions, computing their exponents of irrationality as well as giving more precise results.
Bioinformatics tools for cancer metabolomics
This review focuses on the use of different bioinformatics tools in cancer metabolomics studies.
ROS Are Good
This opinion article focuses on the possibility that ROS are beneficial to plants, supporting cellular proliferation, physiological function, and viability, and that maintaining a basal level of ROS in cells is essential for life.
Sturm bounds for Siegel modular forms
This article establishes Sturm bounds for degree g Siegel modular forms modulo a prime p, which are vital for explicit computations. This includes an inductive proof that exploits Fourier-Jacobi expansions of Siegel modular forms and properties of specializations of Jacobi forms to torsion points.