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

Allele frequencies for 27 Y-STR loci with U.S. Caucasian, African American, and Hispanic samples

January 27, 2006

Author(s)

John M. Butler, Amy E. Decker, Peter M. Vallone, Margaret C. Kline

Ionic Solution Conductance Through Oriented Peptide Channels in Supported Hybrid Bilayers

January 25, 2006

Author(s)

M B. Smith, J Tong, Jan Genzer, Daniel A. Fischer, P K. Kilpatrick

Amphiphilic -helices were formed from designed synthetic peptides comprising alanine, phenylalanine, and lysine residues. The insertion of the - helical...

Surface oxidation of Permalloy thin films

January 24, 2006

Author(s)

M. R. Fitzsimmons, Thomas J. Silva, T. M. Crawford

The chemical and magnetic structures of oxides on the surface of Permalloy Ni 81Fe 19 films were investigated as functions of annealing time with x-ray and...

10 V Programmable Josephson voltage standard circuits using NbN/TiNx/NbN/TiNx/NbN double-junction stacks

January 24, 2006

Author(s)

Hirotake Yamamori, Mayumi Ishizaki, A. Shoji, Paul Dresselhaus, Samuel Benz

Using NbN/TiNx/NbN/TiNx/NbN double-junction stack technology we have demonstrated programmable Josephson voltage standard chips that operate up to 10.16 V...

Design of Self-Assembled Multiferroic Nanostructures in Epitaxial Films

January 23, 2006

Author(s)

Igor Levin, Jiying Li, Julia Slutsker, Alexander L. Roytburd

An approach for a rational design of self-assembled multiferroic nanostructures with controlled phase morphologies was demonstrated using the 3-D epitaxial...

Pronounced Supramolecular Order in Discotic Donor-Acceptor Mixtures

January 23, 2006

Author(s)

W Pisula, M Kastler, D Wasserfallen, Joseph W. Robertson, F Nolde, C Kohl, K Mullen

Internal Rotation and Spin Conversion of CH₃OH in Solid Para-Hydrogen

January 20, 2006

Author(s)

Y J. Wu, R M. Lees, L H. Xu, Jon T. Hougen, Yuan-Pern Lee

The quantum solid para-hydrogen (p-H2) has recently emerged as a novel host for matrix-isolation spectroscopy; species isolated in p-H2 exhibit spectral lines...

Wake Fields in the Electron Gas Including Transverse Response

January 19, 2006

Author(s)

Eric J. Cockayne, Zachary H. Levine

Relativistic electrons have transverse electric fields comparable in magnitude to the longitudinal fields. We determine the relative effects of transverse and...

Summary of IOS/TC 201 Standard: XIII. ISO 18114:2003-Surface Chemical Analysis-Secondary Ion Mass Spectrometry-Determination of Relative Sensitivity Factors From Ion-Implanted Reference Materials

January 19, 2006

Author(s)

David S. Simons

Surfaces of Fluorinated Pyridinium Block-Copolymers with Enhanced Antibacterial Activity

January 19, 2006

Author(s)

Sitaraman Krishnan, R J. Ward, A Hexemer, K E. Sohn, K L. Lee, E R. Angert, Daniel A. Fischer, E J. Kramer, Christopher K. Ober

Polystyrene-block-poly(4-vinylpyridine) copolymers were quaternized with 1-bromohexane and 6-perfluorooctyl-1-bromohexane. Surfaces prepared from these polymers...

Comparison of the Fouling Release Properties of Hydrophobic Fluorinated and Hydrophilic PEGylated Block Copolymer Surfaces

January 19, 2006

Author(s)

S Krishman, N Wang, Christopher K. Ober, J Finlay, M E. Callow, J A. Callow, A Hexemer, K E. Sohn, E J. Kramer, Daniel A. Fischer

To understand the role of surface-wettability on adhesion of cells, the attachment of two different marine algae was studied on hydrophobic and hydrophilic...

Enhanced ferromagnetic damping in Permalloy/Cu bilayers

January 18, 2006

Author(s)

Thomas Gerrits, Michael Schneider, Thomas J. Silva

We have investigated the enhancement of ferromagnetic damping for thin Permalloy (Ni 80Fe 20) films grown with Cu capping layers of variable thickness (5-1000nm...

Significant Parameters in the Optimization of MALDI-TOF-MS for Synthetic Polymers

January 18, 2006

Author(s)

S Wetzel, Kathleen M. Flynn, James J. Filliben

One of the most significant issues in any analytical practice is optimization. Optimization and calibration are key factors in quantitation. In matrix-assisted...

Effect of tensile strain on grain connectivity and flux pinning in Bi₂Sr₂Ca₂Cu₃O_x tapes

January 17, 2006

Author(s)

Daniel C. van der Laan, John (Jack) W. Ekin, Hans J. van Eck, M Dhalle, Bennie ten Haken, Michael W. Davidson, Justin Schwartz

The grain-to-grain connectivity in Bi 2Sr 2Ca 2Cu 3O x tapes is still poorly understood, even though they have been commercially available in long lengths for...

Formation Mechanisms and Properties of Semifluorinated Molecular Gradients on Silica Surfaces

January 17, 2006

Author(s)

Jan Genzer, K Efimenko, Daniel A. Fischer

The goal of this study is to elucidate the formation of molecular gradients made of semifluorinated organosilanes (SFO) on flat substrates by using a...

First Principles Based Simulations of Relaxor Ferroelectrics

January 16, 2006

Author(s)

Benjamin P. Burton, Eric J. Cockayne, Silvia Tinte, U Waghmare

The phenomenology of Pb(B,B$ {\prime}$)O$_{3}$, perovskite based relaxor ferroelectrics is reviewed, with emphasis on the relationship between chemical short...

First Principles Phase Diagram Calculations for the System NaCl-KCL: The Role of Excess Vibrational Entropy

January 16, 2006

Author(s)

Benjamin P. Burton, A Van de Walle

First principles phase diagram calculations were performed for the system NaCl-KCL. Planewave pseudopotential calculations of formation energies were used as a...

The Nucleation of Atomic Layer Deposited HfO2 Films, and Evolution of Their Microstruture, Studied by Grazing Incidence Small Angle X-ray Scattering Using Synchrotron Radiation

January 16, 2006

Author(s)

Martin L. Green, Andrew J. Allen, Xiang Li, Junling Wang, J Ilavsky, A Delabie, R Puurunen, B Brijs

High-Sensitivity Transmission IR Spectroscopy for the Chemical Identification and Structural Analysis of Conjugated Molecules on Gallium Arsenide Surfaces

January 16, 2006

Author(s)

D Krapchetov, H Ma, Daniel A. Fischer, Y-L Loo

Organic thin films, especially conjugated molecular assemblies, have attracted considerable attention as candidates for electrically-active components in...

Improved stabilization of a 1.3 um femtosecond optical frequency comb using spectrally tailored continuum from a nonlinear fiber grating

January 15, 2006

Author(s)

Kyoungsik Kim, Leo W. Hollberg, Scott A. Diddams, P. S. Westbrook, Jeffrey W. Nicholson

We report the significant enhancement ($+$24 dB) of the optical beat note between a 657-nm cw laser and the second-harmonic generation of the tailored continuum...

Conformational Changes in Single-Strand DNA as a Function of Temperature by SANS

January 15, 2006

Author(s)

J Zhou, S. K. Gregurick, Susan T. Krueger, Frederick P. Schwarz

Quantum key distribution at telecom wavelengths with noise-free detectors

January 13, 2006

Author(s)

Danna Rosenberg, Sae Woo Nam, Philip A. Hiskett, Charles G. Peterson, Richard J. Hughes, Jane E. Nordholt, Adriana Lita, Aaron J. Miller

The length of a secure link over which a quantum key can be distributed depends on the efficiency and dark-count rate of the detectors used at the receiver. We...

Integration Testing of Object-Oriented Components Using Finite State Machines

January 12, 2006

Author(s)

Leonard J. Gallagher, A. J. Offutt, Anthony V. Cincotta

In object-oriented terms, one of the goals of integration testing is to ensure that messages from objects in one class or component are sent and received in the...

Curvature Enhanced Adsorbate Coverage Model for Electrodeposition

January 11, 2006

Author(s)

Thomas P. Moffat, Daniel Wheeler, Soo K. Kim, Daniel Josell

The impact of leveling additives acting through the traditional leveling mechanism of accumulation and consumption has been coupled with the Curvature Enhanced...

Curvature Enhanced Adsorbate Coverage Model for Electrodeposition.

January 11, 2006

Author(s)

Thomas P. Moffat, Daniel Wheeler, Soo K. Kim, Daniel Josell

Nucleobase Orientation and Ordering in Films of Single-Stranded DNA on Gold

January 11, 2006

Author(s)

D Y. Petrovykh, V Perez-Dieste, A Opdahl, H Y. Kimura-Suda, J M. Sullivan, Michael J. Tarlov, F J. Himpsel, L J. Whitman

The structure of single-stranded DNA (ssDNA) immobilized on surfaces is critical to applications exploiting the molecular recognition function of nucleic acids...

Hyperfine Structure Identification of Interstellar Cyanoallene Toward TMC-1

January 10, 2006

Author(s)

Francis J. Lovas, A Remijan, J M. Hollis, P R. Jewell, Lewis E. Snyder

Interstellar cyanoallene (CH2CCHCN) has been detected with the 100-m Green Bank Telescope (GBT) toward the dark Taurus Molecular Cloud (TMC-1) by means of the...

Report on the 4th Annual NIST Polymer Mass Spectrometry Workshop: Future Directions in Soft Ionization of Polymers

January 10, 2006

Author(s)

William E. Wallace

This year s annual workshop on polymer mass spectrometry was on the topic of Future Directions in Soft Ionization of Polymers . The workshop was sponsored by...

Toward kilopixel arrays: 3.8 eV microcalorimeter resolution in 8-channel SQUIDmultiplexer

January 10, 2006

Author(s)

W.Bertrand (Randy) Doriese, James A. Beall, William Duncan, S. L. Ferreira, Gene C. Hilton, Kent D. Irwin, Carl D. Reintsema, Joel Ullom, Leila R. Vale, Yizi Xu

Over the past several years, NIST has developed a SQUID time-division multiplexer (TDM) to read out large arrays of transition-edge sensors (TESs). The NIST TDM...

Microwave SQUID multiplexers for low-temperature detectors

January 10, 2006

Author(s)

Kent D. Irwin, James A. Beall, W.Bertrand (Randy) Doriese, William Duncan, Gene C. Hilton, John Mates, Carl D. Reintsema, Dan Schmidt, Joel Ullom, Leila R. Vale, Barry L. Zink, Konrad Lehnert

We report on the development of a SQUID multiplexer operated at microwave frequencies. This multiplexer can accommodate any detector that can be read out with...

Was this page helpful?