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Journals

Laser-Induced Fluorescence Study of Two Weak Vibrational Bands of the O⁺₂ A²Pi_u - X²Pi_g System

November 1, 2000

Author(s)

J Li, V M. Bierbaum, S R. Leone

Two weak vibrationa bands, the (8,0) and (8,1) bands of the O 2 + A 2II u - X 2II g System, are Characterized by Laser-Induced Fluorescence (LIF) for the First

Dark-Soliton States of Bose Einstein Condensates in Anisotropic Traps

November 1, 2000

Author(s)

D Feder, M S. Pindzola, L A. Collins, B I. Schneider, Charles W. Clark

Dark soliton states of Bose-Einstein condensates in anisotropic traps are studied by direct solution of the time-dependent Gross-Pitaevskii equation in three

Ground State Scattering Lengths for Potassium Isotopes Determined by Double-Resonance Photoassociative Spectroscopy of Ultracold ³⁹K

November 1, 2000

Author(s)

Haonan Wang, A N. Nikolov, J R. Ensher, P L. Gould, E E. Eyler, W C. Stwalley, J P. Burke, J L. Bohn, C H. Greene, Eite Tiesinga, Carl J. Williams, Paul S. Julienne

We use double-resonance photoassociative spectroscopy of ultracold 39K atoms to precisely determine the triplet a 3Σ scattering length for the various isotopes

Experimental Study of the Reaction between Vinyl and Methyl Radicals in the Gas Phase. Temperature and Pressure Dependence of Overall Rate Constants and Product Yields

November 1, 2000

Author(s)

S I. Stoliarov, Vadim D. Knyazev, I R. Slagle

The vinyl-methyl cross-radical reaction was studied by laser photolysis / photoionization mass spectroscopy. Overall rate constants and quantitative product

Determination of Elements in Japanese Standard Soil Materials by Means of Instrumental Neutron Activation Analysis

November 1, 2000

Author(s)

M Tsukada, D Sato, K Endo, M Yanaka, Lloyd A. Currie, M D. Glascock, J M. Ondov, M Han

Instrumental neutron activation analysis (INAA) and inductively coupled plasma mass spectroscopy (ICP-MS) were applied to the determination of major elements

Al, B, and Ga Ion-Implantation Doping of SiC

November 1, 2000

Author(s)

E Handy, M V. Rao, O W. Holland, P Chi, K A. Jones, M A. Derenge, R D. Vispute, T Venkatesan

A Series of single energy Al, B, and Ga ion implants were performed in the energy range 50 keV - 4 MeV into 6H-SiC to characterize the implant depth profiles

Calibration of High-Resolution X-Ray Tomography with Atomic Force Microscopy

November 1, 2000

Author(s)

A Kalukin, B Winn, Yong Wang, C Jacobsen, Z Levine, Joseph Fu

For two-dimensional x-ray imaging of thin films, the technique of scanning transmission x-ray microscopy (STXM) has achieved images with feature sizes as small

A Shape Modeling Application Program Interface (API) for the STEP Standard

November 1, 2000

Author(s)

Mike Pratt, B D. Anderson

The international standard ISO 10303 for the exchange of product models and associated data between different computer aided design (CAD) and other engineering

Dispersion of the Temperature Dependence of the Retardance in SiO₂ and MgF₂

November 1, 2000

Author(s)

Shelley M. Etzel, Allen Rose, E. Wang

We have directly measured the retardance versus temperature for single-crystal quartz (SiO 2) and magnesium fluoride (MgF 2) at wavelengths of 633, 788, 1318

LINDENS: A program for lineament length and density analysis

November 1, 2000

Author(s)

Antonio M. Casas, Angel Cortes, Adolfo Maestro, M. Asuncion Soriano, Andres Riaguas, Javier Bernal

Analysis of lineaments from satellite images normally includes the determination of their orientation and density. The spatial variation in the orientation and

Molecular Dynamics of Solid-State Lysozyme as Affected by Glycerol and Water: A Neutron Scattering Study

November 1, 2000

Author(s)

A M. Tsai, Dan A. Neumann, Leonard N. Bell

The IUSR Project and the Common Industry Reporting Format

October 30, 2000

Author(s)

Emile L. Morse

For 3 years, the National Institute of Standards and Technology (NIST) has been leading the Industry USability Reporting (IUSR) project. The purpose of the

RNA Polymerase-cNMP-Ligated cAMP Receptor Protein (CRP) Mutant Interactions in the Enhancement of Transcription by CRP Mutants

October 27, 2000

Author(s)

S. Wang, Y. Shi, I Gorshkova, Frederick P. Schwarz

The enhancement of the transcription of three synthetic promoters by cNMP-ligated cAMP receptor protein (CRP)/mutant complexes was determined from the

Quantum Rotation of Hydrogen in Single-Wall Carbon Nanotubes

October 20, 2000

Author(s)

Craig Brown, Taner N. Yildirim, Dan A. Neumann, M. J. Heben, T. Gennett, A. C. Dillon, J. L. Alleman, John E. Fischer

Stressing-Out DNA? The Contribution of Serine-Phosphodiester Interactions in Catalysis by Uracil DNA Glycosylase

October 17, 2000

Author(s)

R M. Werner, Y. L. Jiang, R. G. Gordley, J. Jagadeesh, Jane E. Ladner, G Xiao, M Tordova, G L. Gilliland, J T. Stivers

The DNA repair enzyme uracil DNA glycosylase (UDG) pinches the phosphodiester backbone of damaged DNA using the hydroxyl side chains of a conserved trio of

Plastic Microfluidic Devices Modified With Polyelectrolyte Multilayers

October 15, 2000

Author(s)

S L. Barker, Michael J. Tarlov, H E. Canavan, J J. Hickman, Laurie E. Locascio

Control of the polymer surface chemistry is a crucial aspect of development of plastic microfluidic devices. When commercially available plastic substrates are

Prokaryotic Expression, Purification, and Reconstitution of Biological Activities (Antiprotease, Antitumor and Heparin-Binding) for Tissue Factor Pathway Inhibitor- 2

October 5, 2000

Author(s)

C N. Rao, Prasad T. Reddy, D J. Reeder, Yonglin Liu, S M. Stack, W Kisiel, D T. Woodley

We report the expression of tissue factor pathway inhibitor-2 (TFPI-2) (also known as PP-5, placental protein-5; MSPI, matrix-associated serine protease

Driven DNA Transport Into an Asymmetric Nanometer-Scale Pore

October 2, 2000

Author(s)

S. E. Henrickson, Martin Misakian, B Robertson, John J. Kasianowicz

To understand the mechanism by which individual DNA molecules partition into a nanometer-scale pore, we studied the concentration and voltage dependence of

Future of Fire Investigation

October 1, 2000

Author(s)

Daniel M. Madrzykowski

As the legal climate for arson and fire investigations becomes more demanding, their need for a rigorous scientific foundation is growing. Fortunately, federal

SURF III - An Improved Storage Ring for Radiometry

October 1, 2000

Author(s)

Uwe Arp, R Friedman, Mitchell L. Furst, Susan L. Makar, Ping-Shine Shaw

The National Institute of Standards and Technology (NIST) operates the newly upgraded Synchrotron Ultraviolet Radiation Facility (SURF III) mainly as a light

Configurational Temperature for Systems with Constraints

October 1, 2000

Author(s)

L L. Lue, D J. Evans

The reaction of BF₃ with H₂O: Infrared spectrum of BF₂OH trapped in solid neon

October 1, 2000

Author(s)

Marilyn E. Jacox, Karl K. Irikura, W E. Thompson

Thermodynamics of Reactions Catalyzed by Branched-Chain-Amino-Acid Transaminase

October 1, 2000

Author(s)

Yadu D. Tewari, Robert N. Goldberg, J D. Rozzell

Apparent equilibrium constants and calorimetric enthalpies of reaction have been measured for reactions catalyzed by branched-chain-amino-acid transaminase. The

NIST Data Resources for X-Ray Photoelectron Spectroscopy

October 1, 2000

Author(s)

Cedric J. Powell

A short description is given of data resources that are available from the National Institute of Standards and Technology (NIST) for X-Ray Photoelectron

Low-Level (Submicromole) Environmental ¹⁴C Metrology

October 1, 2000

Author(s)

Lloyd A. Currie, J D. Kessler, J V. Marolf, A. P. McNichol, D R. Stuart, J C. Donoghue, D. J. Donahue, William Burr, D Biddulph

Accelerator Mass Spectrometry (AMS) measurements of environmental 14C have been employed during the past decade at the several micromole level (10's of ug

Authentication and Dating of Biomass Components of Industrial Materials; Links to Sustainable Technology

October 1, 2000

Author(s)

Lloyd A. Currie, D Klinedinst, R Burch, N Feltham, R Dorsch

There are twin pressures mounting in U.S. industry for increased utilization of biomass feedstocks and biotechnology in production. The more demanding pressure

What's the Buzz? Use BEES to Design Greener, Lower-Cost Buildings

October 1, 2000

Author(s)

Barbara C. Lippiatt

The BEES (Building for Environmental and Economic Sustainability) version 2.0 software implements a rational, systematic technique for selecting environmentally

Scanning Near-Field Infared Microscopy and Spectroscopy with a Broadband Laser Source

October 1, 2000

Author(s)

Chris A. Michaels, Lee J. Richter, Richard R. Cavanagh, Stephan J. Stranick

Near-field scanning optical microscopy (NSOM) is a powerful tool for the characterization of the optical properties of nanoscale objects, although pervasive

Scanning Near-Field Infrared Microscopy and Spectroscopy With a Broadband Laser Source

October 1, 2000

Author(s)

Chris A. Michaels, Stephan J. Stranick, Lee J. Richter, Richard R. Cavanagh

A scanning near-field microscopy that allows the fast acquisition of mid-infrared absorption spectra is described. The microscope couples the nanoscale spatial

Radiocarbon Blank Correction: Methodologies and Limitations in a Major Urban Study of Carbonaceous Aerosols

October 1, 2000

Author(s)

D Klinedinst, Lloyd A. Currie

The Northern Front Range Air Quality (NFRAQS) was the latest and most ambitious of a series of efforts to apportion sources of carbonaceous aerosol(soot) in the

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