Journals

Development and Evaluation of an Isotope Dilution LC/MS Method for the Determination of Total Homocysteine in Human Plasma

February 15, 2003

Author(s)

Bryant C. Nelson, Christine M. Pfeiffer, Lorna T. Sniegoski, Mary B. Satterfield

A Seven Junction Cooper Pair Pump

February 15, 2003

Author(s)

Joe Aumentado, Mark W. Keller, John M. Martinis

We have measured current-voltage curves and individual charge transfer events in single-Cooper-pair pumps. We observe clear charge pumping in units of 2e, but...

Comparison of Cryogenic Radiometry and Thermal Radiometry Calibrations at NIST Using Multichannel Filter Raidometers

February 7, 2003

Author(s)

Bettye C. Johnson, Steven W. Brown, Keith R. Lykke, Charles E. Gibson, G Fargion, G Meister, S B. Hooker, B L. Markham, James J. Butler

Comparison of independent measurement results allows an assessment of the accuracy of the underlying methods. In this work, four multichannel filter radiometers...

Report on the CCPR-S2 Supplementary Comparison of Area Measurements of Apertures of Radiometry

February 7, 2003

Author(s)

Maritoni A. Litorja, J B. Fowler

The accuracy of aperture area measurements is vital to many radiometric and photometric measurements. The Consultative Committee on Photometry and Radiometry...

Binding and Hydrolysis of Ampicillin in the Active Site of a Zinc Lactamase

February 6, 2003

Author(s)

Morris Krauss, N. Gresh, J Antony

Binding and hydrolysis of ampicillin is described in a model active site derived from di-nuclear B.fragilis zinc lactamase. The protein binding site consists of...

Formation of aluminum oxide thin films on FeAl(110) studied by STM

February 6, 2003

Author(s)

Orhan Kizilkaya, Dustin Hite, David M. Zehner, Phillip T. Sprunger

The surface morphology and atomic structure of clean and oxidized FeAl(l 10) surfaces have been investigated with scanning tunneling microscopy (STM). An...

Slow Damping of Internal Waves in a Stably Stratified Fluid

February 4, 2003

Author(s)

Katharine F. Gurski, R Kollar, R L. Pego

We study the damping of internal gravity waves in a stably stratified fluid with constant viscosity in two- and three-dimensional bounded domains. For the...

A Mixture Fraction Combustion Model for Fire Simulation Using Computational Fluid Dynamics (CFD)

February 3, 2003

Author(s)

J E. Floyd, Howard R. Baum, Kevin McGrattan, Simo A. Hostikka

The simulation of fires using computational fluid dynamics (CFD) is challenging because it is difficult to couple the combustion chemistry that occurs at very...

Superconformal Electrodeposition of Silver from a KAg(CN)₂-KCN-KSeCN Electrolyte

February 1, 2003

Author(s)

B C. Baker, M Freeman, B Melnick, Daniel Wheeler, Daniel Josell, Thomas P. Moffat

Electrodeposition of silver from a KAg(CN) 2-KCN electrolyte was investigated. The addition of potassium selenocyanate (KSeCN) results in a hysteretic current...

Laboratory Apparatus for the Measurement of Optical Extinction Coefficients of Postflame Soot in the Infrared

February 1, 2003

Author(s)

J F. Widmann, Jiann C. Yang, Matthew F. Bundy, Benjamin K. Tsai, George W. Mulholland

An experimental apparatus for the measurement of optical extinction coefficients of postflame soot aerosol in the infrared region of the electromagnetic...

ThermoML - an XML-Based Approach to Standardize Storage and Exchange of experimental and Critically Evaluated Thermophysical and Thermochemical Property Data. 1. Experimental Data

February 1, 2003

Author(s)

Michael D. Frenkel, Robert D. Chirico, Vladimir Diky, Qian Dong, Svetlana Frenkel, Paul R. Franchois, K N. Marsh, R C. Wilhoit, D L. Embry, T L. Teague

sic principles, scope, and description of all structural elements of ThermoML are discussed. ThermoML is an XML-based approach to standardize storace and...

Windows-Based Guided Data Capture Software for Mass-Scale Thermophysical and Thermochemical Property Data Collection

February 1, 2003

Author(s)

Vladimir Diky, Robert D. Chirico, R C. Wihoit, Qian Dong, Michael D. Frenkel

Guided data-capture software (GDC) is described for mass-scale abstraction from the literature of experimental then-nophysical and thermochemical property data...

Short-Term Characterization of Building Integrated Photovoltaic Panels

February 1, 2003

Author(s)

Arthur H. Fanney, Brian P. Dougherty, Mark W. Davis

Building integrated photovoltaics, the integration of photovoltaic cells into one or more exterior building surfaces, represents a small but growing part of...

Crystal structure of YbaB from Haemophilus influenzae (HI0442), a protein of unknown function coexpressed with the recombinational DNA repair protein RecR

February 1, 2003

Author(s)

Kap Lim, Huan Zhang, A Tempczyk, W Krajewski, N Bonander, J Toedt, A Howard, Edward Eisenstein, O Herzberg

A SURF Beamline for Synchrotron Source-Based Absolute Radiometry

February 1, 2003

Author(s)

Ping-Shine Shaw, Uwe Arp, Howard W. Yoon, Robert D. Saunders, Albert C. Parr, Keith R. Lykke

A new source-based radiometry beamline at Synchrotron Ultraviolet Radiation Facility (SURF III) was constructed recently. The goal of this beamline is to...

FASCAL 2: A New NIST Facility for the Calibration of the Spectral Irradiance of Sources

February 1, 2003

Author(s)

Howard W. Yoon, J E. Proctor, Charles E. Gibson

The Facility for Automated Spectroradiometric Calibrations (FASCAL) is the primary facility for spectral irradiance and spectral radiance calibrations at NIST...

Geometric Area Measurements of Circular Apertures for Radiometry at NIST

February 1, 2003

Author(s)

J B. Fowler, Maritoni A. Litorja

NIST has established a geometric aperture-area measurement facility for circular apertures. The instrument consists of an interferometrically controlled XY...

Measured Versus Predicted Performance of Building Integrated Photovoltics

February 1, 2003

Author(s)

Mark W. Davis, Arthur H. Fanney, Brian P. Dougherty

The lack of predictive performance tools creates a barrier to the widespread use of building integrated photovoltaic panels. The National Institute of Standards...

Affinity Extraction Combined with Stable Isotope Dilution LC/MS for the Determination of 5-Methyltetrahydrofolate in Human Plasma

February 1, 2003

Author(s)

Bryant C. Nelson, Christine M. Pfeiffer, S A. Margolis, C Nelson

Crack Growth Threshold in Soda Lime Silicate Glass: Role of Hold-Time

February 1, 2003

Author(s)

J -. Guin, Sheldon M. Wiederhorn

Atomic force microscopy was used to examine the shapes of cracks and residual features left behind on the fracture surface after holding cracks at a stress...

Thermal Stresses and Microcracking in Calcite and Dolomite Marbles via Finite Element Modelling

February 1, 2003

Author(s)

T Weiss, S Siegesmund, Lin-Sien H. Lum

Microstructure-based finite element simulations were used to study the thermomechanical behavior of calcite and dolomite marbles. For a given mineral...

Incoherent Neutron Scattering and the Dynamics of Thin Film Photoresist Polymers

February 1, 2003

Author(s)

Christopher L. Soles, Jack F. Douglas, Eric K. Lin, Joseph~undefined~undefined~undefined~undefined~undefined Lenhart, Ronald L. Jones, Wen-Li Wu, D M. Goldfarb, M Angelopoulos

Elastic incoherent neutron scattering is employed to parameterize changes in the atomic/molecular mobility in lithographic polymers as a function of film...

Quantum and Classical Noise in Practical Quantum Cryptography Systems Based on Polarization-Entangled Photons

February 1, 2003

Author(s)

Stefania Castelletto, Ivo P. Degiovanni, M L. Rastello

Quantum cryptography key distribution (QCKD) experiments have been recently based on polarization entangled photons. However, in any practical realization...

Analysis of the Ņ₂, Ņ₄ Infrared Hot Bands and Ņ₁ CARS Spectrum of ³⁴S¹⁶O₃

February 1, 2003

Author(s)

J Barber, E T. Chrysostom, Tony Masiello, J Nibler, A G. Maki, A Weber, Thomas A. Blake, R L. Sams

High-resolution (0.0015 cm -1) infrared spectroscopy has been used to study the 34S 16O 3 IR-active hot bands originating from the Ņ 2 and Ņ 4 bending mode...

Quantum Efficiency of Solar-Blind Semiconductor Photodiodes in the Far Ultraviolet

February 1, 2003

Author(s)

Robert E. Vest, B Hertog, P Chow

A difficulty in diverse metrological applications is the measurement of relatively low intensity ultraviolet radiation in the presence of an intense visible...

Improved Broadband Blackbody Calibrations at NIST for Low-Background Infrared Applications

February 1, 2003

Author(s)

Adriaan C. Carter, Timothy M. Jung, Allan W. Smith, Steven R. Lorentz, Raju V. Datla

The Low Background Infrared (LBIR) facility at The National Institute of Standards and Technology (NIST) has continued to develop its facilities and knowledge...

Stray-Light Correction Algorithm for Spectrographs

February 1, 2003

Author(s)

Steven W. Brown, Bettye C. Johnson, M Feinholz, M Yarbrough, S Flora, Keith R. Lykke, D K. Clark

In this work, we describe an algorithm to correct a spectrograph's response for stray light. Two recursion relations are developed: one to correct the system...

Parallax Measurements of Integrated Circuit Interconnects Using a Scanning Transmission Electron Microscope

February 1, 2003

Author(s)

Zachary H. Levine, J J. Gao, S Neogi, T M. Levin, J H. Scott, Steven E. Grantham

At 300 ke V scanning transmission electron microscope was used to obtain tilt-series images of two two-level copper integrated circuit samples. The center-to...

Facility for Extreme Ultraviolet Reflectometry of Lithography Optics

February 1, 2003

Author(s)

Charles S. Tarrio, S Grantham, Thomas B. Lucatorto

Currently the most demanding application of extreme-ultraviolet (EUV) optics is in lithography. A commercial extreme-ultraviolet stepper will likely have six or...

First-Principles Calculations of Structural Electronic Vibrational and Magnetic Properties of C₆₀ and C₄₈ N₁₂: A Comparative Study

February 1, 2003

Author(s)

Rui-Hua Xie, G C. Bryant, L Jensen, V H. Smith

The structural, electronic, vibrational, and magnetic properties of the C 48N 12 azafullerene and C 60 are comparatively studied from the first-principles...