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DNA Mass Spectrometry at NIST

February 1, 2001

Author(s)

Peter M. Vallone

The use of mass spectrometry as a tool for solving biochemical problems is growing. Specifically, matrix assisted laser desorption ionization coupled with time...

Genetic Instabilities of Triplet Repeat Sequences by Recombination

February 1, 2001

Author(s)

J P. Jakupciak

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Detecting Spontaneously Inserting Transmembrane Peptides and Proteins in Tethered Phospholipid Bilayers

February 1, 2001

Author(s)

John T. Elliott

We have fabricated a tethered phospholipid bilayer sensor platform for detecting the function of spontaneously inserting transmembrane peptides and proteins. A...

Full-Bandwidth Reference Measurements of Ultrawideband Emissions

January 29, 2001

Author(s)

F Fobes, Robert T. Johnk, David R. Novotny

NIST/SEMATECH Collaboration: Application of Nano-Tips to Production CD-SEMs

January 1, 2001

Author(s)

Andras Vladar, Michael T. Postek

This is the final report of a two-part study about the application of nano-tips to critical dimension (CD) scanning electron microscope (SEMs) used in...

Wavelength Characterization of a Molecular F₂ Laser at 157 nm for DUV Lithography

January 1, 2001

Author(s)

Craig J. Sansonetti, Joseph Reader

Structured Polymeric Templates: Combinatorial Probes for Cellular Response

January 1, 2001

Author(s)

A Sehgal, Jack F. Douglas, Francis W. Wang, Carl G. Simon Jr., Alamgir Karim, Eric J. Amis

Novel high-throughput gradient methods have been developed to generate a range of surface structures by dewetting and phase separation on chemically patterned...

Crystallization of Isotactic Polystyrene in Thin Films: A High Throughput Approach

January 1, 2001

Author(s)

Kathryn L. Beers, Jack F. Douglas, Eric J. Amis, Alamgir Karim

Very thin films of semi-crystalline polymers are increasingly being employed in coatings applications and there is a need to better understand how film...

Primary Frequency Standards at NIST

January 1, 2001

Author(s)

Donald Sullivan

GPS and the Legal Traceability of Time

January 1, 2001

Author(s)

Judah Levine

Legal Traceability of Time

January 1, 2001

Author(s)

Judah Levine

Understanding Your Calibration Sources is the Key to Making Accurate Spectroradiometric Measurements

January 1, 2001

Author(s)

Howard W. Yoon, Charles E. Gibson

Wavenumber standards for the mid-infrared, ed. by J. Chalmers and P. Griffiths

January 1, 2001

Author(s)

Leonard M. Hanssen, C Zhur

Integrating Spheres for Mid- and Near-Infrared and Near-Infrared Reflection Spectroscopy, ed. J. Chalmers and P. Griffiths

January 1, 2001

Author(s)

Leonard M. Hanssen, K A. Snail

Workshop on Measurement Standards for Radioactive Sources Used in Therapy

January 1, 2001

Author(s)

Bert M. Coursey

Standards for Reliability Testing of Heavy Vehicle Propulsion Materials

January 1, 2001

Author(s)

S Jahanmir, James F. Kelly, William E. Luecke

The objective of this project is to develop international standard test methods for assessing the reliability of ceramic components used in diesel engines and...

Magnetic Anisotropy and Thermal Stability of Ta-pinned Spin Valves

January 1, 2001

Author(s)

R A. Fry, Robert D. McMichael, John E. Bonevich, P J. Chen, William F. Egelhoff Jr., Chang H. Lee

It has recently been found that large uniaxial anisotropy fields in excess of 120 kA/m (1500 Oe) can be created in thin (3 nm to 5 nm) films of Co by obliquely...

Thermal Activation Under Shear

January 1, 2001

Author(s)

John W. Cahn, F R. Nabarro

Becker in 1925 and Mott and Nabarro in 1948 gave different expressions for the stress dependence of activation energy for shear in the limit when the stress...

Micromagnetic Domain Structures of Nano-scale Nickel Dots

January 1, 2001

Author(s)

A Kunz

The magnetic domain structure of cylindrical nickel dots is found to be a function of dot diameter and stripe period of unpatterned films of like thickness...

Corrosion Behavior of Weldable Fe-Al Alloys in Oxidizing-Sulfidizing Environments

January 1, 2001

Author(s)

Stephen W. Banovic, J N. DuPont, A R. Marder

Weld overlay coatings are typically used to protect existing low alloy steel water-wall panels from accelerated sulfidation attack in fossil-fired boilers with...

Modeling Thermal Barrier Coatings with Object Oriented Finite Elements Methods

January 1, 2001

Author(s)

M R. Locatelli, Lin-Sien H. Lum

Thermal barrier coatings (TBC s) are used to protect metallic components from extreme conditions like those encountered in turbine engines. TBC s serve two...

Elastic Neutron Scattering and the Glass Transition in Thin Polycarbonate Films

January 1, 2001

Author(s)

Christopher L. Soles

Incoherent elastic neutron scattering measurements are performed on hydrogenous polycarbonate films spun coat onto Si wafer. The drop of the elastic scattering...

Site-Specific Structural Measurements Using X-Ray Standing Waves: The Electronic and Geometric Structure of the Perovskite La1/2Sr3/2MnO4

January 1, 2001

Author(s)

E J. Nelson, Joseph C. Woicik, Z Hasan, Z -. Shen, D Heskett, L E. Berman

In the vicinity of an x-ray Bragg reflection, the incident and reflected x-rays coherently superpose to form an x-ray standing wave, with a periodicity equal to...

CF3I and C2Cl4 on Silicon Surfaces

January 1, 2001

Author(s)

J E. Sanabia

The nature of chemisorbed CF3I and C2Cl4 on silicon surfaces has been studied using a variety of ultra-high vacuum surface-science techniques, including...

Antibody-Antigen Adhesion Studies Using Optical Tweezers

January 1, 2001

Author(s)

S Kulin, Rani B. Kishore, Kristian Helmerson, Joseph B. Hubbard

Multivalent molecular adhesion processes play a key role in a wide variety of biological phenomena, such as immune response, infections, as well as cellular...

The g Factor of the Bound Electron in Hydrogenlike Carbon

January 1, 2001

Author(s)

H Haeffner, N Hermanspahn, H -. Kluge, G Marx, W Quint, S Stahl, T Valenzuela, G Verdu, G Werth

The experimental determination of the magnetic moment of the bound electron in hydrogen-like ions is an important test of the theory of quantum electrodynamics...

Oxidation of Ethylene and Acetylene Adsorbed on Si(100) by Atomic Oxygen

January 1, 2001

Author(s)

Maritoni A. Litorja

The oxidation of Si(100) covered with deuterium, ethylene and acetylene by oxygen atoms was studied using Auger electron spectroscopy. Oxygen atoms were...

Surface Immobilized DNA Probes on Silicon Microhotplates and Their Application in DNAAnalysis

January 1, 2001

Author(s)

T H. Huang, Richard E. Cavicchi, S L. Barker, Stephen Semancik, Michael J. Tarlov

The use of silicon machined microhotplate devices to study DNA hybridization andmelting reactions is demonstrated. The microhotplates serve both as the...

Polymer-Clay Nanocomposite Materials: Solution and Bulk Properties

January 1, 2001

Author(s)

G Schmidt, A Nakatani, Paul Butler, V Ferreiro, Alamgir Karim, Charles C. Han

The influence of shear on viscoelastic polymer-clay solutions was investigated by means of small-angle neutron scattering (SANS) under shear. SANS measured the...

A Phase Field Model of the Premelting of Grain Boundaries in Pure Materials

January 1, 2001

Author(s)

A E. Lobkovsky, James A. Warren

We present a phase field model of solidification which includes the effects of the crystalline orientation in the solid phase. This model describes grain...

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