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Journals

Polymerization Stress Development in Dental Composites: Effect of Cavity Design Factor

March 13, 2009

Author(s)

Joseph M. Antonucci, Anthony A. Giuseppetti, Justin N. O'Donnell, Gary E. Schumacher, Drago Skrtic

Objective: To assess the effect of the cavity design factor (C-factor) on polymerization stress development (PSD) in resin composites. Methods: An experimental...

SOUTHERN COSMOLOGY SURVEY. III. QSOs FROM COMBINED GALEX AND OPTICAL PHOTOMETRY

March 12, 2009

Author(s)

Michael D. Niemack

We present catalogs of QSO candidates selected using photometry from GALEX combined with SDSS in the Stripe 82 region and Blanco Cosmology Survey (BCS) near...

Effect of Strain on the Modulus of Sealants Exposed to the Outdoors

March 11, 2009

Author(s)

Christopher C. White, Donald L. Hunston, Kar T. Tan

The effects of applied strain on sealants exposed to outdoor weathering were examined for two sealant formulations, sealants A and C. Both static and dynamic...

Tertiary Structure Changes in Albumin Upon Surface Adsorption Observed Via Infrared Spectroscopy

March 10, 2009

Author(s)

Jack R. Smith, Marcus T. Cicerone, Curtis W. Meuse

A non-destructive infrared (IR) spectroscopy assay is used to measure changes the tertiary structure of Bovine Serum Albumin (BSA) adsorbed to three surfaces...

Composition-Explicit Distillation Curves for Mixtures of Gasoline with Four-Carbon Alcohols (Butanols)

March 9, 2009

Author(s)

Thomas J. Bruno, Arron Wolk, Alexander Naydich

Interest in the domestic production of bio-derived fuels, sparked by the high cost of petroleum crude oil, has lead to consideration of fluids to replace or...

Dislocation nucleation and multiplication in small volumes: the onset of plasticity during indentation testing

March 9, 2009

Author(s)

Dylan Morris, David Bahr, Stefhanni Jennerjohn

While classical studies of dislocation behavior have focused on the motion and multiplication of dislocations, recent advances in experimental methods allow...

Effect of crystallographic orientation on phase transformations during indentation of silicon

March 9, 2009

Author(s)

Yvonne B. Gerbig, Dylan Morris, Stephan J. Stranick, Mark D. Vaudin, Robert F. Cook

In a statistical nanoindentation study using a spherical probe, the effect of crystallographic orientation on the phase transformation of silicon (Si) was...

Cell volume distributions reveal cell growth rates and division times

March 7, 2009

Author(s)

Michael W. Halter, John T. Elliott, Joseph B. Hubbard, Alessandro Tona, Anne L. Plant

A population of cells in culture displays a range of phenotypic responses, even when those cells are derived from a single cell and are exposed to a homogeneous...

Measurement of Dynamic Capillary Pressure and Viscosity via the Multi-Sample Micro-Slit Rheometer

March 6, 2009

Author(s)

Doyoung Moon, Kalman D. Migler

We develop two direct methods to simultaneously measure the dynamic capillary pressure and the viscosity of fluids by application of differential forces during...

Local Thickness and Anisotropy Approaches to Characterize Pore Size Distribution of 3D Porous Networks

March 6, 2009

Author(s)

Martin Y. Chiang, Xianfeng Wang

We have proposed a superseding algorithm approach for image analysis of the pore size distribution (PSD) of porous media. This approach adapts the intrinsic...

Formalism for the determination of intermediate stress gradients using X-ray diffraction

March 5, 2009

Author(s)

Thomas Gnaupel-Herold

A method is outlined that allows the determination of one-dimensional stress gradients at length scales greater than 0.2 mm. By using standard four-circle X-ray...

Generating correlated (2+1)-photon pairs in an active-Raman-gain medium

March 5, 2009

Author(s)

Lu Deng, Cuiping Lu, Weiping Zhang, Chunhua Yuan

A scheme of generating controllable 2+1 photons in a double- atomic system based on active Raman gain is presented in this paper. Such 2+1 photons can be a...

Solid State NMR Investigation of Photoresist Molecular Glasses Including Mixing Behavior With a Photoacid Generator

March 5, 2009

Author(s)

David L. VanderHart, Vivek M. Prabhu, Anuja De Silva, Nelson Felix, Christopher K. Ober

We have examined four model molecular glasses (MGs) which are candidates for extreme ultraviolet lithography. One rationale for employing MGs is that these...

Solid State NMR Investigation of Photoresist Molecular Glasses Including Blend Behavior With a Photoacid Generator

March 5, 2009

Author(s)

David L. VanderHart, Vivek M. Prabhu, Anuja De Silva, Nelson Felix, Christopher K. Ober

We have examined four molecular glass (MG) materials which show promise as photoresists for extreme ultraviolet (EUV) lithography. These glass-forming materials...

Phase transitions, entanglement and quantum noise interferometry in cold atoms

March 5, 2009

Author(s)

F. Mintert, A.M. Rey, Indubala I. Satija, Charles W. Clark

We show that entanglement monotones can characterize the pronounced enhancement of entanglement at a quantum phase transition if they are sensitive to long...

Measurements of Randomly Placed Wireless Transmitters used as an Array for Receivers Located within the Array Volume with Application to Emergency Responders

March 4, 2009

Author(s)

William F. Young, Edward E. Kuester, Christopher L. Holloway

Abstract: Emergency responders often experience poor quality wireless communications due to the complex radio-frequency propagation environment encountered at a...

Thin-Film Resistance Thermometers on Silicon Wafers

March 3, 2009

Author(s)

Kenneth G. Kreider, Dean C. Ripple, William A. Kimes

Thermal processing of semiconductors is a critical, capital intensive step in achieving high yields and profitability in the manufacturing of electronic chips...

Finite-element analysis and experimental investigation of probe shape effect on initial plastic yield

March 3, 2009

Author(s)

Li Ma, Dylan Morris, Stefhanni Jennerjohn, David Bahr, Lyle E. Levine

Sudden displacement excursions during load-controlled nanoindentation of relatively dislocation-free surfaces of metals are frequently associated with...

Summary of Charpy Impact Verificaiton Data: 1994-1996

March 2, 2009

Author(s)

Christopher N. McCowan, C M. Wang, D P. Vigliotti

We present a summary of Charpy impact verification test data that were evaluated by the National Institute of Standards and Tecnology (NIST) from January 1994...

Onset of Oscillatory Convection in Two Liquid Layers with Phase Change

March 2, 2009

Author(s)

Geoffrey B. McFadden, Sam R. Coriell

We perform linear stability calculations for horizontal fluid bilayers that can undergo a phase transformation in the presence of a vertical temperature...

DC-SQUID Amplifiers with over 27 GHz of Gain-Bandwidth Product Operated in the 4-8 GHz Frequency Range

March 2, 2009

Author(s)

Lafe F. Spietz, Kent D. Irwin, Jose A. Aumentado

We describe measurements of the performance of ampli ers in the 4{8 GHz range using DCSQUIDs in a lumped element con guration. We have used quarter wave...

Circular Polarization in Scattered Light as a Possible Biomarker

March 2, 2009

Author(s)

Thomas A. Germer, William Sparks, James H. Hough, Ludmilla Kolokolova, Feng Chen, Shiladitya DasSarma, Priya DasSarma, Frank Robb, Nadine Manset, Neill Reid, F. D. Macchetto, William Martin

Biological molecules exhibit homochirality and are optically active. Therefore, it is possible that the scattering of light by biological molecules might result...

Static Analyzers in Software Engineering

March 2, 2009

Author(s)

Paul E. Black

Static analyzers can report possible problems in code and help reinforce good practices of developers. We contrast the strengths of static analyzers with...

Performance Metrics for IEEE 802.21 Media Independent Handover (MIH) Signaling

March 2, 2009

Author(s)

David W. Griffith, Richard A. Rouil, Nada T. Golmie

The IEEE 802.21 Media Independent Handover (MIH) working group is developing a set of mechanisms to facilitate migration of mobile users between access networks...

Application of the Advanced Distillation Curve Method to the Aviation Fuel Avgas 100LL

March 2, 2009

Author(s)

Tara Lovestead, Thomas J. Bruno

We have recently introduced several important improvements in the measurement of distillation curves for complex fluids. The modifications to the classical...

On the Sub-Nanometer Resolution of Scanning Electron and Scanning Helium Ion Microscopes

March 1, 2009

Author(s)

Michael T. Postek, Andras Vladar, Bin Ming

On the Sub-Nanometer Resolution of Scanning Electron and Helium Ion Microscopes

March 1, 2009

Author(s)

Andras Vladar, Michael T. Postek, Bin Ming

All forms of microscopy are being pushed to the limit by nanotechnology. Hence, there is a relentless quest to achieve better and better resolution with various...

Economic Performance of Residential Fire Sprinkler Systems

March 1, 2009

Author(s)

David T. Butry

We'll Take Care of All Your Problems

March 1, 2009

Author(s)

Isabel M. Beichl

No abstract

High-performance, vibration-immune, fiber-laser frequency comb

March 1, 2009

Author(s)

Esther Baumann, Fabrizio R. Giorgetta, Jeffrey W. Nicholson, William C. Swann, Ian R. Coddington, Nathan R. Newbury

We demonstrate an environmentally robust optical frequency comb based on a polarization-maintaining, allfiber, figure-eight laser. The comb is phase locked to a...

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