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Displaying 31451 - 31475 of 143806

Field-based simulations of nanostructured polyelectrolyte gels

August 11, 2015
Author(s)
Debra J. Audus, Glenn Fredrickson
Nanostructured, responsive hydrogels composed of oppositely charged triblock copolymers with charged end-blocks and neutral, hydrophilic mid-blocks in aqueous solution were recently discovered. Due to electrostatic interactions, the end-blocks microphase

Stable Interface Formation between TiS 2 and LiBH 4 in Bulk-Type All-Solid-State Lithium Batteries

August 11, 2015
Author(s)
Atsushi Unemoto, Tamio Ikeshoji, Syun Yasaku, Motoaki Matsuo, Vitalie Stavila, Terrence J. Udovic, Shin-Ichi Orimo
In this study, we assembled a bulk-type all-solid-state batter comprised of a TiS 2 positive electrode, LiBH 4 electrolyte, and Li negative electrode. Our battery retained high capacity over 300 discharge-charge cycles when operated at 393 K and 0.2 C. The

Heterogeneity and length scale effects in PEG-based hydrogels

August 10, 2015
Author(s)
Brian G. Bush, Jenna M. Shapiro, Frank W. DelRio, Robert F. Cook, Michelle L. Oyen
Colloidal-probe spherical indentation load-relaxation experiments are conducted on poly(ethylene glycol) (PEG) hydrogel materials to quantify the steady-state mechanical properties and time-dependent transport properties in a single experiment. A probe

Macroscopic Subkelvin Refrigerator Employing Superconducting Tunnel Junctions

August 10, 2015
Author(s)
Xiaohang NMN Zhang, Peter J. Lowell, Brandon L. Wilson, Galen C. O'Neil, Joel N. Ullom
In this paper, we demonstrate a general-purpose macroscopic refrigerator based on the transport of hot electrons through superconducting tunnel junctions. Our refrigerator is intended to provide access to temperatures below those accessible using pumped

Molecular-Based Virial Coefficients of CO2-H2O Mixtures

August 7, 2015
Author(s)
Allan H. Harvey, Andrew J. Schultz, David A. Kofke
We report values of the second and third virial coefficients for the system CO2-H2O, calculated as a function of temperature via numerical evaluation of cluster integrals that define the coefficients in terms of the intermolecular potential energy

Representation and Validation of Liquid Densities for Pure Compounds and Mixtures

August 7, 2015
Author(s)
Vladimir Diky, John P. O'Connell, Jens Abildskov, Kenneth G. Kroenlein, Michael D. Frenkel
Reliable correlation and prediction of liquid densities are important for designing chemical processes at normal and elevated pressures. We have extended a corresponding states model from molecular theory to yield a robust method for quality testing of

Small Molecule Inhibitors of 8-Oxoguanine DNA Glycosylase-1 (OGG1)

August 7, 2015
Author(s)
Pawel Jaruga, Erdem Coskun, M Miral Dizdar, Nathan Donley, Stephen Lloyd, Amanda McCullough
ABSTRACT The DNA base excision repair (BER) pathway, which utilizes DNA glycosylases to initiate repair of specific DNA lesions, is the major pathway for the repair of DNA damage induced by oxidation, alkylation, and deamination. Early results from

Stabilization of Cubic Sr 2 FeMoO 6 through Topochemical Reduction

August 7, 2015
Author(s)
Daniel D. Taylor, Nathaniel J. Schreiber, Craig Brown, Angel M. Arevalo-Lopez, Efrain E. Rodriguez
Sr 2FeMoO 6 has been extensively studied for application in spintronic devices. Through the topochemical deintercalation of the oxygen anions, the high temperature cubic phase can be stabilized at room temperature while leaving the magnetic ordering intact

Dew-point Measurements For Water In Compressed Carbon Dioxide

August 6, 2015
Author(s)
Christopher W. Meyer, Allan H. Harvey
When transporting CO2 for sequestration, it is important to know the water dew point in order to avoid condensation that can lead to corrosion. We have constructed a flow apparatus to measure the water content at saturation in a compressed gas. A saturator

On Effectiveness of Smart Grid Applications using Co-simulation

August 6, 2015
Author(s)
Paul Moulema, Wei Yu, David W. Griffith, Nada T. Golmie
The smart grid is a complex system that comprises components from both the power grid and communication networks. To understand the behavior of such a complex system, co-simulation is a viable tool to capture the interaction and the reciprocal effects
Displaying 31451 - 31475 of 143806
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