Journals

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 B. 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

Accurate Efficient Evaluation of Lommel Functions for Arbitrarily Large Arguments

February 1, 2003

Author(s)

Eric L. Shirley, E K. Chang

It can be difficult to evaluate Lommel functions U_n(u,v) and V_n(u,v) when u and v are both large. Here, we present an accurate means to evaluate such

Radiometrically Deducing Aperture Sizes

February 1, 2003

Author(s)

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

The desire for high-accuracy infrared sources suitable for low-background seeker/tracker calibrations pushes the limits of absolute cryogenic radiometry and

Droplet-Laden Homogeneous Turbulent Flow Over Unheated and Heated Cylinders

February 1, 2003

Author(s)

Cary Presser, G Papadopoulos, J F. Widmann

The dispersal of high boiling point liquid fire suppression agents around solid obstacles is investigated to obtain a better understanding of the physical

Heat Capacities Enthalpy Increments and Derived Thermodynamic Functions for Benzophenone Between the Temperatures 5 K and 440 K

February 1, 2003

Author(s)

Robert D. Chirico, S E. Knipmeyer, W V. Steele

Heat capacities and clitlialpy increments between the temperatures T = 5 K and T = 440 l@ were measured with adiabatic calorimetrybejizopheiione. The triple