Journals

Geographical variation of Persistent Organic Pollutants in eggs of threatened loggerhead sea turtles (Caretta caretta) from Southeastern USA

April 4, 2011

Author(s)

Jennifer M. Lynch, Juan Alava, Jeanette Wyneken, Larry Crowder, Geoffrey Scott, John R. Kucklick

Persistent organic pollutants (POPs) are a recognized man-made threat to sea turtle populations, but the uncertainty surrounding exposure and sensitivity of sea...

Superconformal Ni Electrodeposition using 2-Mercaptobenzimidazole

April 4, 2011

Author(s)

Chang H. Lee, John E. Bonevich, Ugo Bertocci, Kristen L. Steffens, Thomas P. Moffat

Ni superconformal filling of sub-micrometer trenches is demonstrated using a Watts bath containing an inhibitor 2-mercaptobenzimidazole (MBI). Hysteretic...

Formic acid oxidation on Pt_100-x}Pb_x} thin films electrodeposited on Au

April 4, 2011

Author(s)

Sun M. Hwang, John E. Bonevich, Jae Jeong Kim, Thomas P. Moffat

Electrocatalytic formic acid oxidation is examined on electrodeposited Pt_100-x}Pb_x} thin films grown on textured Au(111). Metastable fcc Pb_100-x}Pt_x} (0

Electrodeposition of Pt_(100-x)Pb_(x) Metastable Alloys and Intermetallics

April 4, 2011

Author(s)

Sun M. Hwang, John E. Bonevich, Jae Jeong Kim, Thomas P. Moffat

The electrodeposition of a series of metastable Pt-Pb alloys and intermetallic phases as well as elemental Pt is demonstrated using an acid electrolyte...

Composition-Explicit Distillation Curves of Waste Lubricant Oils and Resourced Crude Oil: A Diagnostic for Re-Refining and Evaluation

April 4, 2011

Author(s)

Lisa S. Ott, Beverly L. Smith, Thomas J. Bruno

We have recently introduced several important improvements in the measurement of distillation curves for complex fluids. The modifications include a composition...

The Policy Machine: a Novel Architecture and Framework for Access Control Policy Specification and Enforcement

April 1, 2011

Author(s)

David F. Ferraiolo, Vijay (. Atluri, Serban I. Gavrila

The ability to control access to sensitive data in accordance with policy is perhaps the most fundamental security requirement. Despite over four decades of...

A Major Role for Non-Enzymatic Antioxidant Processes in the Radioresistance of Halobacterium salinarum

April 1, 2011

Author(s)

M Miral Dizdar, Pawel Jaruga, Courtney K. Robinson, Kim Webb, Amardeep Kaur, Nitin S. Baliga, Allen Place, Jocelyne DiRuggiero

Oxidative stress occurs when the generation of reactive oxygen species (ROS) exceeds the capacity of the cells endogenous systems to neutralize them. We...

NEMA and ASHRAE Collaborate to Develop a Facility Smart Grid Information Mode Standard

April 1, 2011

Author(s)

Steven T. Bushby

The National Electrical Manufacturers Association (NEMA) and the American Society of Heating Refrigerating, and Air-Conditioning Engineers (ASHRAE) are working...

After the Alarm Sounds: How We Got Here, Where We Are, and Where We Should Go

April 1, 2011

Author(s)

Jason D. Averill, Erica D. Kuligowski, Richard D. Peacock

This article reviews the history of egress design and code requirements in the United States, describes the current state-of-the-art in egress design and...

Searching for applications with a fine-toothed comb

April 1, 2011

Author(s)

Nathan R. Newbury

Frequency combs, like many ground-breaking technologies, are simple in concept; they results from the spectrum of any regular train of optical pulses. What is...

Wolter Optics for Neutron Focusing

April 1, 2011

Author(s)

David F. Mildner, M. V. Gubarev

Focusing optics based on Wolter optical geometries developed for x-ray grazing incidence beams can be designed for neutron beams. Wolter optics are formed by...

An Engineer Grapples with Sustainable Manufacturing

April 1, 2011

Author(s)

Vijay Srinivasan

A personal view by the author of how, as a research engineer and manager, first in the private sector and now in government service, he witnessed the emergence...

RFID-based Localization and Tracking Technologies

April 1, 2011

Author(s)

Michael R. Souryal, Lionel M. Ni, Dian Zhang

Radio Frequency Identification (RFID) usually incorporates a tag into an object for the purpose of identification or localization using radio signals. It has...

Onset of Morphological Instability in Two Binary Liquid Layers

April 1, 2011

Author(s)

Geoffrey B. McFadden, Sam R. Coriell, Aaron Lott

We consider the linear stability of a horizontal fluid bilayer subject to vertical heating. The two layers consist of a binary fluid that has undergone a phase...

Addressing the Amorphous Content Issue in Quantitative Phase Analysis: The Certification of NIST SRM 676a

April 1, 2011

Author(s)

James P. Cline, Robert B. Von Dreele, Ryan Winburn, Peter W. Stephens, James J. Filliben

A non-diffracting surface layer exists at any boundary of a crystal and can comprise a mass fraction of several percent in a finely divided solid. This has led...

Neutron Scattering and Spectroscopic Studies of Hydrogen Adsorption in Cr₃(BTC)₂ - A Metal-Organic Framework with Exposed Cr²⁺ Sites

April 1, 2011

Author(s)

Kenji Sumida, Jae-Hyuk Her, Mircea Dinca, Leslie J. Murray, Jennifer M. Schloss, Christopher J. Pierce, Benjamin A. Thompson, Stephen A. FitzGerald, Craig Brown, Jeffrey R. Long

Microporous metal-organic frameworks possessing exposed metal cation sites on the pore surface are of particular interest for high-density H 2 storage at...

Antiferromagnetic Exchange Coupling Between GaMnAs Layers Separated by a Nonmagnetic GaAs:Be spacer

April 1, 2011

Author(s)

J. Leiner, K. Tivakornsasithorn, X. Liu, Jacek K. Furdyna, M. Dobrowolska, Brian Kirby, H. Lee, T. Yoo, Sanghoon Lee

Micro-Channel Development and Hydrogen Adsorption Properties in Templated Microporous Carbons Containing Platinum Nanoparticles

April 1, 2011

Author(s)

Yunxia Yang, Craig Brown, Chunxia Zhao, Alan L. Chafee, Burke Nick, Dongyuan Zhao, Paul A. Webley, Jacob Schalch, Jason M. Simmons, Yun Liu, Jae-Hyuk Her, C.E. Buckley, Drew A. Sheppard

Characterization of Deep Weathering and Nanoporosity Development in Shale - a Neutron Study

April 1, 2011

Author(s)

Lixin Jin, Gernot Rother, David R Cole, David F. Mildner, Susan Brantley

Humic Acid-Mediated Silver Nanoparticle Formation Under Environmentally Relevant Conditions

April 1, 2011

Author(s)

Nelson Akaighe, Robert I. MacCuspie, Divina A. Navarro, Diana S. Aga, Sarbajit Banerjee, Mary Sohn, Virender K. Sharma

The formation of silver nanoparticles (AgNPs) via reduction of silver ions (Ag+) in the presence of humic acids (HAs) under various environmentally relevant...

NIST's High Frequency Metrology Program: Current Capabilities and Future Directions

March 31, 2011

Author(s)

Ronald A. Ginley

There are several core areas that are covered by the NIST microwave metrology services. These include thermal noise, power, scattering-parameters (s-parameters)...

Watchful Waiting

March 31, 2011

Author(s)

Isabel M. Beichl

Hylleraas-configuration-interaction Study of the Singlet S Ground State of Neutral Beryllium

March 31, 2011

Author(s)

James S. Sims, Stanley A. Hagstrom

Hylleraas-configuration-interaction (Hy-CI) method variational calculations are reported for the singlet S ground state of neutral beryllium. The best...

NIST's High Frequency Metrology Programs: Current Capabilities and Future Directions

March 31, 2011

Author(s)

Ronald A. Ginley

Several core areas are covered by the NIST microwave metrology services. These include thermal noise, power, scattering-parameter (s-parameters), field strength...

Structure and X-ray Powder Reference Patterns for Hexagonal Perovskite-Related Phases, (Sr0.8Ca0.2)5Co4O12 and Sr6Co5O15

March 31, 2011

Author(s)

Winnie K. Wong-Ng, James A. Kaduk, Guangyao Liu

Two selected members of the homologous series, An+2BBnO3n+3 (A= Sr, and Ca; B and B=Co) have been investigated for their crystal structure because of their...

Spectroscopy of diagnostically-important magnetic-dipole lines in highly-charged 3d^n ions of tungsten

March 31, 2011

Author(s)

Yuri Ralchenko, Ilija Draganic, Dmitry D. Osin, John D. Gillaspy, Joseph Reader

An electron beam ion trap (EBIT) is used to measure extreme ultraviolet spectra between 10 nm and 25 nm from highly-charged ions of tungsten with an open 3d...

X-ray Emission Spectroscopy of Nitrogen-rich Compounds

March 31, 2011

Author(s)

Terrence J. Jach, Fernando D. Vila, W. T. Elam, J. D. Denlinger, John J. Rehr

Non-resonant x-ray emission spectroscopy was used to compare the nitrogen-rich compounds ammonium nitrate, trinitrotoluene, and cyclotrimethylene-trinitramine...

Introduction of a DC Bias into a High-Q Superconducting Microwave Cavity

March 31, 2011

Author(s)

Rimberg J. Alex, Fei Chen, Adam J. Sirois, Raymond Simmonds

We report a technique for applying a dc voltage or current bias to the center conductor of a high-quality factor superconducting microwave cavity without...

A Neutron Reflectivity Study of the Interfacial and Thermal Behaviour of Surface-Attached Hairpin DNA

March 31, 2011

Author(s)

Tanha H. Kjallman, Andrew J. Nelson, Michael James, Joseph Dura, Jadranka Travas-Sejdic, Duncan McGillivray

Mixed self-assembled monolayers (mSAMs) have been successfully utilised as platforms for gene sensors, employing optical as well as electrochemical means of...

Synthesis of Thiol-Clickable and Block Copolypeptide Brushes via Nickel-Mediated Surface Initiated Polymerization of alpha-Amino Acid N-Carboxyanhydrides (NCAs)

March 31, 2011

Author(s)

Bradley J. Sparks, Jacob G. Ray, Daniel A. Savin, Christopher Stafford, Derek L. Patton

We describe the synthesis of homo-, block, and clickable co-polypeptide brushes from low surface area substrates using nickel-mediated surface-initiated...