Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Journals

Certification of Standard Reference Material 970, Ascorbic Acid in Serum, and Analysis of Associated Interlaboratory Bias in the Measurement Process

January 1, 2003

Author(s)

S A. Margolis, M Vangel, David L. Duewer

Crystal structure of the YajQ protein from Haemophilus influenzae reveals a tandem of RNP-like domains

January 1, 2003

Author(s)

A Teplyakov, G Obmolova, Prasad T. Reddy, A J. Howard, G L. Gilliland

A hypothetical protein encoded by the gene YajQ of Haemophilus influenzae was selected, as part of a structural genomics project, for x-ray crystallographic...

The Influence of Agarose Concentration in Gels on the Electrophoretic Trapping of Circular DNA

January 1, 2003

Author(s)

Kenneth D. Cole, B. Akerman

The concentration of agarose in electrophoresis gels was found to have significant effects on the apparent density and release characteristics of the...

Micromechanical Instruments for Ferromagnetic Measurements

January 1, 2003

Author(s)

John M. Moreland

I review some of the novel methods for measuring ferromagnetic properties of thin films based on micromechanical magnetometers. Measurements rely on the...

Determination of Polychlorinated Biphenyl Congeners and Chlorinated Pesticides in a Fish Tissue Standard Reference Material

January 1, 2003

Author(s)

Dianne L. Poster, John R. Kucklick, Michele M. Schantz, Barbara J. Porter, Stefan D. Leigh, Stephen A. Wise

Beauty Baryons and Neutrinos as Dark Matter

January 1, 2003

Author(s)

Egon Marx

Dark matter, according to a model of strong, weak, and electromagnetic interactions of elementary particles called the SWEEP model, is composed of beauty...

Photomask Dimensional Metrology in the SEM Part I: Has Anything Really Changed?

January 1, 2003

Author(s)

Michael T. Postek, Andras Vladar, Marylyn H. Bennett

Photomask dimensional metrology in the scanning electron microscope (SEM) has not evolved as rapidly as the metrology of resists and integrated circuit features...

Information Transfer Capability and Signal Processing Performance of Modern Scanning Electron Microscopes

January 1, 2003

Author(s)

Zsolt Radi, Andras Vladar, Michael T. Postek

The scanning electron microscope (SEM) produces images with signals generated through the interaction of the primary electrons and the sample material. The...

Collinear Optical Coherence and Confocal Fluorescence Microscopies for Tissue Engineering

January 1, 2003

Author(s)

Joy P. Dunkers, Marcus T. Cicerone, N. R. Washburn

We have combined confocal optical coherence (OCM) and confocal fluorescence (CFM) microscopies to gather simultaneous structural and functional information on...

Chemistry and Properties of Phenolic Resins and Networks

January 1, 2003

Author(s)

Sheng Lin-Gibson, J S. Riffle

This book chapter emphasizes the recent mechanistic and kinetic findings on phenolic oligomer synthesis and network formation. The synthesis and...

Scaffold Structure and Cell Function Through Multimodal Imaging and Quantitative Visualization

January 1, 2003

Author(s)

Joy P. Dunkers, Marcus T. Cicerone

Calibrated thermal microscopy of the tool-chp interface in machining

January 1, 2003

Author(s)

Matthew A. Davies, Howard W. Yoon, Tony L. Schmitz, Timothy J. Burns, Michael Kennedy

This paper presents the results of calibrated, microscopic measurement of the temperature fields at the tool-chip interface during the steady-state, orthogonal...

Subsolidus Phase Equilibria and Crystal Chemistry in the System BaO-TiO₂-Ta₂O₅

January 1, 2003

Author(s)

Terrell A. Vanderah, Robert S. Roth, T Siegrist, W Febo, J. M. Loezos, Winnie K. Wong-Ng

Subsolidus phase relations have been determined for the BaO: TiO 2Ta 2O 5 system. Approximately 100 specimens were prepared in air at temperatures near but...

Friction and Adhesion Measurements Between a Fluorocarbon Surface and a Hydrocarbon Surface in Air

January 1, 2003

Author(s)

P M. McGuiggan

In this abstract, we report the first measurements of the friction between a fluorocarbon monolayer and a hydrocarbon monolayer. Because the fluorocarbon and...

Measuring the Mechanical Properties of a Thin Polymeric Film by AFM

January 1, 2003

Author(s)

P M. McGuiggan, D J. Yarusso

The atomic force microscope is used to measure the tan delta (loss modulus/storate modulus) of a thin film of poly(n-butylacrylate) as a function of frequency...

Techniques for Combinatorial and High-Throughput Microscopy. Part 1: Gradient Specimen Fabrication for Polymer Thin Films Research

January 1, 2003

Author(s)

A Sehgal, Alamgir Karim, Christopher M. Stafford, Michael J. Fasolka

Combinatorial and high-throughput (C&HT) approaches accelerate research by addressing multiple experimental parameters in a parallel highly efficient fashion...

Droplet-String Deformation and Stability During Microconfined Shear Flow

January 1, 2003

Author(s)

Jai A. Pathak, Kalman D. Migler

The Influence of Shearing Parameters on the Frictional Forces Measured Between Polymer Brushes

January 1, 2003

Author(s)

Aaron M. Forster, S. M. Kilbey

Polymer brushes have potential as end-tethered lubricants. Brush layers immersed in a good solvent must be compressed to ~16% of their equilibrium height before...

Sympathetic cooling of ⁹Be⁺ and ²⁴Mg⁺ for quantum logic

January 1, 2003

Author(s)

Murray D. Barrett, B. L. DeMarco, T Schaetz, Dietrich Leibfried, Joseph W. Britton, J Chiaverini, Wayne M. Itano, Branislav M. Jelenkovic, John D. Jost, Christopher Langer, Till P. Rosenband, David J. Wineland

We demonstrate the cooling of a two species ion crystal consisting of one 9Be+ and one 24Mg+ ion. Since the respective cooling transitions of these two species...

Seam-Free Fabrication of Sub-Micrometer Copper Interconnects by Iodine-Catalyzed Chemical Vapor Deposition

January 1, 2003

Author(s)

S G. Pyo, S D. Kim, Daniel Wheeler, Thomas P. Moffat, Daniel Josell

Kinetic parameters from studies of deposition on planar deposits are used to predict superconformal filling of fine features during iodine-catalyzed chemical...

Response of chromium-doped alumina screens to soft x rays using synchrotron radiation

January 1, 2003

Author(s)

James K. McCarthy, Uwe Arp, A Baciero, B Zurro, B A. Karlin

Numerical Investigations of CO₂ as Fire Suppressing Agent

January 1, 2003

Author(s)

V Katta, F Takahashi, Gregory T. Linteris

Understanding suppression mechanisms of different fire-suppressing agents including CF 3Br (Halon 1301) and inert gases is useful for their efficient use and...

Extinction Characteristics of Cup-Burner Flame in Microgravity

January 1, 2003

Author(s)

V Katta, F Takahashi, Gregory T. Linteris

Carbon dioxide extinguishes flames through dilution process. The extinction characteristics of CO2 were previously studied using a cup-burner flame under normal...

Two-Beam Diffraction Patterns From Transverse Self-and Cross-Phase Modulation in a Nonlinear Medium

January 1, 2003

Author(s)

R Gealy, Kevin Jones, M Trippenbach, Eite Tiesinga, Paul D. Lett

The well-known diffraction rings resulting from spatially-varyingself-phase modulation in a nonlinear medium can be dramaticallyaltered in a partially...

Structural Alterations of the Heme Environment of Cytochrome P450cam and the Y96F Mutant as Deduced by Resonance Raman Spectroscopy

January 1, 2003

Author(s)

G Niaura, Vytas Reipa, M P. Mayhew, Marcia J. Holden, V L. Vilker

Resonance Raman spectroscopy at 2.5 cm-1 resolution was used to probe differences in wild type and Y96F mutant P450cam (CYP101), both with and without bound...

Quenched narrow-line second- and third-stage laser cooling of ⁴⁰Ca

January 1, 2003

Author(s)

E A. Curtis, Christopher W. Oates, Leo W. Hollberg

NIST-NPL Comparison of Mid-infrared Regular Transmittance and Reflectance

January 1, 2003

Author(s)

C J. Chunnilall, F J. Clarke, Leonard Hanssen, Simon G. Kaplan, M P. Smart

Influence of Layered-Silicates on the Phase Separated Morphology of PS

January 1, 2003

Author(s)

K Yurekli, Alamgir Karim, Eric J. Amis, R Krishnamoorti

The influence of added nanometer thick layered-silicates on the phase-separated morphology of a near critical blend of PS and PVME was examined. Thin films of...

Time-of-Flight Secondary Ion Mass Spectrometry (TOF-SIMS) for High-Throughput Characterization of Bio-Surfaces

January 1, 2003

Author(s)

S V. Roberson, A Sehgal, Albert J. Fahey, Alamgir Karim

In this approach, a coated polymer film was exposed to UV-ozone treatment through a variable density filter, producing a surface energy gradient with a...

Molecular Mass Determination of Saturated Hydrocarbons: Reactivity of eta-⁵-Cyclopentadienylcobalt Ion (CpCo. +) and Linear Alkanes up to C-30

January 1, 2003

Author(s)

H M. Byrd, Kathleen M. Flynn, D P. Ridge

The present study demonstrates the feasibility of the h 5-cyclopentadienylcobalt ion (CpCo +) as a suitable cationization reagent for saturated hydrocarbons...

Was this page helpful?