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Journals

Adsorption and Conformation of Serum Albumin Protein on Gold Nanoparticles

February 22, 2011

Author(s)

De-Hao D. Tsai, Frank W. DelRio, Athena M. Keene, Katherine M. Tyner, Robert I. MacCuspie, Tae Joon Cho, Michael R. Zachariah, Vincent A. Hackley

Art in Science

February 22, 2011

Author(s)

Michael Gaitan, Laurie E. Locascio

Flexure-induced structural and electronic changes in polymer supported membranes of length purified single-wall carbon nanotubes

February 22, 2011

Author(s)

John M. Harris, Ganjigunte R. Iyer, Daneesh O. Simien, Jeffrey Fagan, JiYeon Huh, Jun Y. Chung, Steven Hudson, Jan Obrzut, Jack F. Douglas, Christopher Stafford, Erik K. Hobbie

Thin membranes of length purified single-wall carbon nanotubes (SWCNTs) are uniaxially compressed by depositing them on prestretched polymer substrates. Upon...

Macromolecular Crowding of an Intrinsically Disordered Protein Characterized by Small Angle Neutron Scattering

February 21, 2011

Author(s)

Daniel Johansen, Cy M. Jeffries, Boualem Hammouda, Jill Trewhella, David P. Goldenberg

Fe xvii X-ray Line Ratios for Accurate Astrophysical Plasma Diagnostics

February 20, 2011

Author(s)

John D. Gillaspy, E. H. Silver, L. Tedesco, Joseph N. Tan, Joshua M. Pomeroy, J M. Laming, G.-X. Chen, T. Lin

New laboratory measurements of the Ne-like Fe xvii x-ray lines in the 15-17 Angstrom range are presented, along with new theoretical predictions. These results...

Rate Constants for the Reactions between OH and Perfluorinated Alkenes

February 20, 2011

Author(s)

Vladimir L. Orkin, Gregory A. Poskrebyshev, Michael J. Kurylo III

The rate constants for the reactions of OH radicals with fully fluorinated alkenes containing different number of CF3 groups next to olefinic carbon, CF2=CF2...

Characterization of Approach Air Distribution for a Finned-Tube Heat Exchanger

February 18, 2011

Author(s)

David A. Yashar, Piotr A. Domanski, Hong H. Cho

The distribution of air flow approaching a finned-tube heat exchanger is one of the predominant factors influencing the heat exchangers performance. This paper...

P-ρ-T Behavior of Four Lean Synthetic Natural-Gas-Like Mixtures from 250 K to 450 K with Pressures to 37 MPa

February 18, 2011

Author(s)

Mark O. McLinden

The p-ρ-T behaviors of four lean synthetic natural gas mixtures were measured along isotherms of 250 K, 350 K, and 450 K with pressures to 37 MPa with a two...

Correlation Between the Performance and Microstructure of Titanium Based Ohmic Contacts to p-type Silicon Nanowires

February 18, 2011

Author(s)

Abhishek Motayed, John E. Bonevich, Sergiy Krylyuk, Albert Davydov, Geetha G. Aluri, Rao V. Mulpuri

Understanding the contact formation mechanism at nanoscale geometries is essential for the realization of low-resistance, stable metallization schemes suitable...

Tetrathienoanthracene-based Copolymers for Efficient Solar Cells

February 18, 2011

Author(s)

Feng He, Wei Wang, Wei Chen, Tao Xu, Seth B. Darling, Joseph Strzalka, Yun Liu, Luping Yu

A series of semiconducting copolymers (PTAT-x) containing extended π-conjugated tetrathienoanthracene units have been synthesized. It was shown that the...

In Vitro Studies for Detection of CYP27A1 Modifications with Iso[4]levuglandin E₂ in Human Retina

February 17, 2011

Author(s)

Illarion Turko, Casey Charvet, Wei-Li Liao, Gun-Young Heo, Laird James, Salomon G. Robert, Irina A. Pikuleva

Isolevuglandins are highly reactive products of free radical-induced oxidation of arachidonates that modify free amino groups of proteins into pyrrole-derived...

Practical Operation of Cryogen-free Programmable Josephson Voltage Standards

February 17, 2011

Author(s)

Robert E. Schwall, David Zilz, Jeffrey Power, Charles J. Burroughs, Paul D. Dresselhaus, Samuel P. Benz

Cryogen-free operation is rapidly becoming the preferred implementation of programmable Josephson voltage standard (PJVS) systems. There are strong operational...

Enhanced magnetization drift velocity and current polarization in (CoFe)_{1-x}Ge_{x} alloys

February 17, 2011

Author(s)

Meng Zhu, Brian D. Soe, Robert D. McMichael, Matthew Carey, Stefan Maat, Jeffrey R. Childress

A spin wave Doppler technique is used to measure the drift velocity of the magnetization in current-carrying (CoFe)_{1-x}Ge_{x} alloys. For a current density of...

A PROPOSED TECHNIQUE FOR DETERMINING AERODYNAMIC PRESSURES ON RESIDENTIAL HOMES

February 16, 2011

Author(s)

Tuan-Chun Fu, Aly Mousaad Aly, Arindam Chowdhury, Girma Bitsuamlak, DongHun Yeo, Emil Simiu

Wind loads on low-rise buildings in general and residential homes in particular can differ significantly depending upon the laboratory in which they were...

Optical performance monitoring of (Q)PSK data channels using artificial neural networks trained with parameters derived from delay-tap asynchronous diagrams

February 15, 2011

Author(s)

Jeffrey A. Jargon, Xiaoxia Wu, Alan Willner, Loukas Paraschis

We demonstrate a technique of using artificial neural networks trained with parameters derived from delay-tap asynchronous diagrams for optical performance...

Neutron Depth Profiling Technique for Studying Aging in Li-ion Batteries

February 15, 2011

Author(s)

Robert G. Downing

During operation of a Li-ion cell, lithium diffuses in and out of the solid phase anode and cathode. Measuring the lithium transport within the cell over its...

Ontology Summit 2010 Creating the Ontologists of the Future

February 15, 2011

Author(s)

Fabian M. Neuhaus

The goal of the Ontology Summit 2010 was to address the current shortage of persons with ontology expertise by developing a strategy for the education of...

Intensity Dynamics in a Waveguide Array Laser

February 15, 2011

Author(s)

Kevin L. Silverman, Mingming M. Feng, Richard P. Mirin, Steven T. Cundiff, Matt Williams, J. Nathan N. Kutz

We consider experimentally and theoretically the optical field dynamics of a five emitter laser array subject to a linearly decreasing injection current. We...

Effects of disorder on magnetic vortex gyration

February 15, 2011

Author(s)

Hongki Min, Robert McMichael, Jacques Miltat, Mark D. Stiles

A vortex gyrating in a magnetic disc has two regimes of motion in the presence of disorder. At large amplitudes the vortex core moves quasi-freely through the...

Measurements of Density and Speed of Sound of JP-10 and Comparison to Rocket Propellants and Jet Fuels

February 14, 2011

Author(s)

Stephanie L. Outcalt, Arno R. Laesecke

Densities of the missile fuel JP-10 were measured with two vibrating-tube densimeters. The combined range of the data is from 270 K to 470 K with pressures to...

Spherical Reference Cavities for Ultra-Stable Lasers in Non-Laboratory Environments

February 14, 2011

Author(s)

David R. Leibrandt, Michael J. Thorpe, Mark Notcutt, Robert E. Drullinger, Till P. Rosenband, James C. Bergquist

We present an ultra-stable optical cavity design that is insensitive to both vibrations and orientation. The design is based on a spherical cavity spacer which...

The Infrared Spectra of C2H4+ and C2H3 Trapped in Solid Neon

February 14, 2011

Author(s)

Marilyn E. Jacox, Warren E. Thompson

When a mixture of ethylene in a large excess of neon is codeposited at 4.3 K with a beam of neon atoms that have been excited in a microwave discharge, two...

On the Importance of Thermodynamic Self-Consistency for Calculating Stable Clusters in Hard-Core Double Yukawa Fluids

February 14, 2011

Author(s)

Jung Min Kim, Ramon Castaneda-Priego, Yun Liu, Norman J. Wagner

Understanding clustering of complex fluids is of interest in material science because the formation of aggregates in the suspension leads to changes in the...

Interactions of Ba2YCu3O6+x with SrTiO3 Substrate

February 12, 2011

Author(s)

Winnie K. Wong-Ng, Zhi Yang, James A. Kaduk, Lawrence P. Cook, Shailee P. Diwanji, Christopher E. Lucas

This paper describes the crystal chemistry and crystallography of products of the interaction of Ba2YCu3O6+x with the SrTiO3 buffer, which is a model system for...

Kinetic Lattice Monte Carlo Model for Oxygen Vacancy Diffusion in Praseodymium-Doped Ceria: Applications to Materials Design

February 12, 2011

Author(s)

Pratik Dholabhai, Shahriar Anwar, James B. Adams, Peter A. Crozier, Renu Sharma

Abstract We present a kinetic lattice Monte Carlo model for investigating the oxygen vacancy diffusion in praseodymium-doped ceria. The current approach uses a...

A General Model for the Dynamics of Cell Volume, Global Stability, and Optimal Control

February 11, 2011

Author(s)

James D. Benson

Cell volume and concentration regulation in the presence of changing extracellular environments has been studied for centuries, and recently a general...

Quantifying Model Error

February 11, 2011

Author(s)

Kevin B. McGrattan, Blaza Toman

A methodology is proposed for reporting the results of fire model validation studies that consist mainly of comparisons of model predictions and experimental...

Differential Light Shift Cancellation in a B-Field Insensitive Transition of 87Rb

February 11, 2011

Author(s)

Radu S. Chicireanu, Karl D. Nelson, Steven M. Olmschenk, Nathan Lundblad, A. Derevianko, James V. Porto

We demonstrate substantial cancellation of the differential light shift of a magnetic-field-insensitive microwave hyperfine (clock) transition in 87Rb atoms...

Sensitivity of the Magnetic Properties of the ZnCr₂O₄ and MgCr₂O₄ Spinels to Nonstoichiometry

February 11, 2011

Author(s)

S. E. Dutton, Qingzhen Huang, Oleg Tchernyshyov, Collin Broholm, R. J. Cava

A simple approach for selective crystal growth of Na8Si46 and Na24Si136

February 10, 2011

Author(s)

Winnie K. Wong-Ng, S Stefanoski, Peter Zavalij, George S. Nolas, Beekman Mathew

During the studies of structure/property relationships of thermoelectric intermetallic clathrates, we found that while single crystals for representative...

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