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Journals

Lithographically patterned magnetic calorimeter x-ray detectors with integrated SQUID readout

March 11, 2004

Author(s)

Barry L. Zink, Kent D. Irwin, Gene C. Hilton, David P. Pappas, Joel Ullom, Martin Huber

We describe the design, fabrication and performance of a fully lithographically patterned magnetic microcalorimeter X-ray detector. The detector is fabricated...

A Cross-Correlation Based Method for Spatial-Temporal Traffic Analysis

March 10, 2004

Author(s)

Kevin L. Mills, J Yuan

Analyzing spatial-temporal characteristics of traffic in large-scale networks requires both suitable analysis method and a means to reduce the amount of data...

Enhanced Model for Scanning Tunneling Microscope Tip Geometry Measured with Field Ion Microscopy

March 10, 2004

Author(s)

P V. Rao, Carsten P. Jensen, Richard M. Silver

Estimating the shape and size of a scanning tunneling microscope (STM) tip before scanning is often necessary for the correct interpretation of the STM data...

Minimal Universal Two-Qubit Controlled-NOT-Based Circuits

March 10, 2004

Author(s)

V V. Shende, I L. Markov, Stephen Bullock

We show how to implement an arbitrary two-qubit unitary operation in several universal gate libraries using the smallest possible number of gates. To this end...

The Effect of Movement During Cure of a Silicone Sealant

March 8, 2004

Author(s)

Christopher C. White, Donald L. Hunston

Movement of the building joint sealant during cure is thought to affect the fully cured mechanical properties. To examine this potential effect, a one-part...

Atmospheric Pressure Microplasmas for Modifying Sealed Microfluidic Devices

March 8, 2004

Author(s)

J K. Evju, P B. Howell, Laurie E. Locascio, Michael J. Tarlov, J J. Hickman

A new DC microdischarge technique for chemical modification of microchannel walls is reported. Our results show that strongly hydrophilic or hydrophobic...

Integrated microfluidic isolation platform for magnetic particle manipulation in biological systems

March 8, 2004

Author(s)

Elizabeth Mirowski, John M. Moreland, Stephen E. Russek, Michael J. Donahue

We have developed a micromachined fluid-cell platform that consists of patterned magnetic thin-film elements supported on a thin silicon-nitride membrane. In...

Critical field for complete vortex expulsion from narrow superconducting strips

March 5, 2004

Author(s)

G Stan, S. Field, John M. Martinis

We have measured the maximum field for which vortices are completely expelled from a thin-film superconducting strip. Niobium strips of width W were field...

Crystal Structure of the Complex Between Thrombin and the Central "E" Region of Fibrin

March 2, 2004

Author(s)

I Pechik, J Madrazo, M W. Mosesson, I Hernandez, G L. Gilliland, L Medved

Non-substrate interactions of thrombin with fibrin play an important role in modulating its procoagulant activity. To establish the structural basis for these...

Quartz capillary flow meter for gases

March 1, 2004

Author(s)

Robert F. Berg

This article describes an accurate meter for gas flow rates below 1000 micromol/s. (~1 micromol/s  1.3 cm3/min at 0 °C and 1 atm.) Two gauges measure the input...

Electrodeposition of Copper in the SPS-PEG-C1 Additive System: I. Kinetic Measurements: Influence of SPS

March 1, 2004

Author(s)

Thomas P. Moffat, Daniel Wheeler, Daniel Josell

The kinetics of copper electrodeposition from an acidified cupric sulfate electrolyte containing SPS-PEG-C1 were examined. Voltammetric and chronoamperometric...

Overexpression and Rapid Purification of Escherichia Coli Formamidopyrimidine-DNA Glycosylase

March 1, 2004

Author(s)

Prasad T. Reddy, Pawel Jaruga, T R. O'Connor, H Rodriguez, M Miral Dizdar

Formamidopyrimidine DNA glycosylase (Fpg) is a DNA glycosylase with an associated AP lyase activity. As a DNA repair enzyme, Fpg excises several modified bases...

Overexpression and rapid purification of Escherichia coli formamidopyrimidine-DNA glycosylase.

March 1, 2004

Author(s)

Prasad T. Reddy, Pawel Jaruga, T O'Connor, H Rodriguez, M Dizdaroglu

New NIST Sediment SRM for Inorganic Analysis

March 1, 2004

Author(s)

Rolf L. Zeisler

Polybrominated Diphenyl Ether Congeners and Toxaphene in Selected Marine Standard Reference Materials

March 1, 2004

Author(s)

John R. Kucklick, K. J. Tuerk, Stacy S. Vander-Pol, Michele M. Schantz, Stephen A. Wise

Filling the AOAC Triangle with Food-Matrix Standard Reference Materials

March 1, 2004

Author(s)

Katherine E. Sharpless, Robert R. Greenberg, Michele M. Schantz, Michael J. Welch, Stephen A. Wise, M. Ihnat

Three New Mussel Tissue Standard Reference Materials (SRMs) for the Determination of Organic Contaminants

March 1, 2004

Author(s)

Dianne L. Poster, Michele M. Schantz, John R. Kucklick, M. J. Lopez de Alda, Barbara J. Porter, Rebecca S. Pugh, Stephen A. Wise

Two New Marine Sediment Standard Reference Materials (SRMs) for the Determination of Organic Contaminants

March 1, 2004

Author(s)

Stephen A. Wise, Dianne L. Poster, Michele M. Schantz, John R. Kucklick, Lane C. Sander, M. J. Lopez de Alda, Patricia Schubert, Reenie M. Parris, Barbara J. Porter

Multiscale Green's-Function Method for Modeling Point Defects and Extended Defects in Anisotropic Solids: Application to a Vacancy and Free Surface in Copper

March 1, 2004

Author(s)

Vinod K. Tewary

A multiscale Green's function method is described for modeling of point defects such as vacancies and interstitals together with extended defects such as free...

Relative humidity effects on the determination of elastic properties with atomic force acoustic microscopy

March 1, 2004

Author(s)

Donna C. Hurley, J Turner

We have investigated how ambient humidity can affect quantitative measurements of elastic properties on the nanoscale. Using an emerging technique called atomic...

A Test Method for Determining the Fiber and Void Contents of Carbon/Glass Hybrid Composites

March 1, 2004

Author(s)

Walter G. McDonough, Donald L. Hunston, Joy P. Dunkers, Kathleen M. Flynn

Hybrid composites are increasingly being used in infrastructure, oil recovery, and aerospace applications. These hybrids use two different fibers to reinforce...

Solid-Phase ATRP Synthesis of Peptide-Polymer Hybrids

March 1, 2004

Author(s)

Ying Mei, Kathryn L. Beers, H M. Byrd, David L. VanderHart, N. R. Washburn

A versatile methodology for preparing hybrid biomaterials by atom transfer radical polymerization from resin-supported peptides has been established. As an...

Valence Electron Orbitals of an Oligo(p-phenylene-ethynylene)thiol on Gold

March 1, 2004

Author(s)

Christopher D. Zangmeister, Steven W. Robey, Roger D. van Zee, Yuxing Yao, J M. Tour

One- and two-photon photoemission spectra have been measured for monolayers of oligo(para-phenylene-ethynylene) thiolate chemisorbed on gold surfaces. Within 5...

Synergistic Reinforcement of In Situ Hardening Calcium Phosphate Composite Scaffold for Bone Tissue Engineering

March 1, 2004

Author(s)

Hockin D. Xu, Janet Quinn, Shozo Takagi, Laurence C. Chow

Calcium phosphate cement (CPC) hardens in situ to form solid hydroxyapatite, can conform to complex cavity shapes without machining, has excellent...

Propagation Behavior of Machining Cracks in Delayed Fracture

March 1, 2004

Author(s)

Yasumitsu Matsuo, L K. Ives

The propagation behavior (subcritical crack growth) of machining induced cracks in silicon nitride was investigated by conducting constant stress (CS) and...

Fracture Mirrors in a Nanoscale 3Y-TZP

March 1, 2004

Author(s)

George D. Quinn, J Eichler, U Eisele, J Rodel

The strengths of fine microstructural scale yttria stabilized rectangular bars and circular disks were measured by four-point flexure and by flat ball (piston)...

Use of Transmission Electron Microscopy in Combinatorial Studies of Functional Oxides

March 1, 2004

Author(s)

Leonid A. Bendersky, Ichiro Takeuchi

Novel Method for TEM Characterization of Deformation Under Nanoindents in Nanolayered Materials

March 1, 2004

Author(s)

D E. Kramer, M Savage, A Lin, Timothy J. Foecke

Measuring and understanding the mechanical properties of nanolayered composites has been a recent area of active investigation. These materials are of...

Temperature Control of Pulse Heated Specimens in a Kolsky Bar Apparatus Using Microsecond Time-Resolved Pyrometry

March 1, 2004

Author(s)

D Basak, Howard W. Yoon, Richard L. Rhorer, Timothy J. Burns, T Matsumoto

Analysis of maching processes is important in the understanding and improving of manufacturing methods. The modeling of machining processes relies on high...

Fast-Setting Calcium Phosphate Scaffolds With Tailored Macropore Formation Rates for Bone Regeneration

March 1, 2004

Author(s)

Hockin D. Xu, Shozo Takagi, Janet Quinn, Laurence C. Chow

Calcium phosphate cement (CPC) is highly promising for craniofacial and orthopedic repair due to its ability to self-harden in situ to form hydroxyapatite with...

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