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Journals

Development of an Optical Fiber-Based Moisture Sensor for Building Envelopes

October 1, 2003

Author(s)

William M. Healy, S Luo, M Evans, A Sucheta, Y Liu

Optical fiber-based moisture sensors have been developed to help detect moisture problems in building envelopes. The sensors are created with a coating on a...

Fluoride Release From a Resin Modified Glass Ionomer Cement in a Continuous Flow System: Effect of pH

October 1, 2003

Author(s)

Clifton M. Carey, Monique Spencer, F Eichmiller

Fluoride is added to many dental restoratuive materials,including glass-ionomer cements, for the specific purpose of leaching fluoride into the surroinding...

Saturation Molalities and Standard Molar Enthalpies of Solution of Adenosine (cr), Guanosine. 2H₂O(cr), inosine(cr), and Xanthosine. 2H₂O(cr) in H₂(l)

October 1, 2003

Author(s)

Yadu D. Tewari, R Klein, Mark D. Vaudin, Robert N. Goldberg

Saturation molalities m(sat) in H 2O(l) have been measured for the substances adenosine(cr), guanosine 2H 2O(cr), inosine(cr), and xanthosine 2H 2O(cr) over the...

Blubber Development in Bottlenose Dolphins (Tursiops truncatus)

October 1, 2003

Author(s)

W D. Struntz, W A. McLellan, R M. Dillaman, J E. Blum, John R. Kucklick, D A. Pabst

Radiative Heat Flux Measurement Uncertainty

October 1, 2003

Author(s)

Rodney A. Bryant, C A. Womeldorf, Erik L. Johnsson, Thomas J. Ohlemiller

As part of an effort to characterize the uncertainties associated with heat flux measurements in a fire environment, an uncertainty analysis example was...

Adaptive Characterization of Jitter Noise in Sampled High-Speed Signals

October 1, 2003

Author(s)

Kevin J. Coakley, Chih-Ming Wang, Paul D. Hale, Tracy S. Clement

We estimate the root-mean-square (RMS) value of timing jitter noise in simulated signals similar to measured high-speed sampled signals. The simulated signals...

A Rapid Prototyping Technique for the Fabrication of Solvent-Resistant Structures

October 1, 2003

Author(s)

C Harrison, J Cabral, Christopher M. Stafford, Alamgir Karim, Eric J. Amis

We demonstrate a rapid prototyping technique for the fabrication of solvent-resistant channels up to and exceeding one millimeter in height. The fabrication of...

Droplet-String Deformation and Stability During Micro-Confined Shear Flow

October 1, 2003

Author(s)

Jai A. Pathak, Kalman D. Migler

We have performed experiments on model emulsions of polyisobutylene (PIB) and poly(dimethylsiloxane) (PDMS) to quantify the effect of confinement on deformation...

Direct Observation of Spin Configurations and Classification of Switching Processes in Mesoscopic Ferromagnetic Rings

October 1, 2003

Author(s)

M Klaui, C Vaz, J Bland, T Monchesky, John Unguris, G R. SPELEEM, L J. Heyderman, Z Cui

Using non-intrusive imaging techniques we have directly observed the nanoscopic details of the magnetization configurations of epitaxial and polycrystalline...

Experimental Verification of Interactions Between Randomly Distributed Fine Magnetic Particles

October 1, 2003

Author(s)

S Taketomi, Robert D. Shull

We experimentally examined whether or not a magnetic fluid (MF) is really superparamagnetic by comparing the initial magnetic susceptibilities of the mother MFs...

Rapid Structural and Chemical Characterization of Ternary Phase Diagrams Using Synchrotron Radiation

October 1, 2003

Author(s)

Eliot D. Specht, A Rar, George M. Pharr, E P. George, P Zschack, H Hong, J Ilavsky

The complete ternary Cr-Fe-Ni system is grown on A12O3(0001) substrates by sequential deposition of layers of graded thickness followed by annealing to...

Surface Oxidation Kinetics of SiC Powders in Wet and Dry Air Studied by X-ray Photoelectron Spectroscopy and Bremsstrahlung-Excited Auger Electron Spectroscopy

October 1, 2003

Author(s)

T N. Wittberg, P S. Wang, Stephen M. Hsu

Silicon carbide powder samples were heated at temperatures between 600 C and 850 C in wet and dry air to investigate the effect of moisture on the oxidation...

Kinematics of the Sagittarius B2(N-LMH) Molecular Core

October 1, 2003

Author(s)

J M. Hollis, J A. Pedelty, D A. Boboltz, S Y. Liu, Lewis E. Snyder, Patrick Palmer, Francis J. Lovas, P R. Jewell

Ethyl cyanide (CH3CH2CN) emission and absorption have been imaged with the Very Large Array toward Sagittarius B2(N-LMH) by means of the 5(15)-4(14) rotational...

Nanocrystal Molecules and Chains

October 1, 2003

Author(s)

J F. Diaz, W Jaskolski, J Planelles, Javier Aizpurua, Garnett W. Bryant

The electron energy structure of linear artificial molecules and one-dimensional chains formed of spherical semiconductor nanocrystals is investigated with and...

Cluster-Assembled Materials Based on Na₆Pb

October 1, 2003

Author(s)

J Zhao, Rui-Hua Xie

In experimental mass spectra of lead-sodium mixed clusters, an exceptionally abundant and stable Na 6Pb cluster has been discovered. [C. H. Yeretzian et al...

Design and Performance of Capping Layers for Extreme-Ulatraviolet Multilayer Mirrors

October 1, 2003

Author(s)

Sasa Bajt, H N. Chapman, Nhan Nguyen, J Alameda, J C. Robinson, M Malinowski, E Gullikson, Andrew Aquila, Charles Tarrio, Steven Grantham

Multilayer lifetime has emerged as one of the major issues for the commercialization of extreme-ultraviolet lithography (EUVL). We describe the performance of...

Diffusion-Controlled Electron-Transfer Reactions in Ionic Liquids

October 1, 2003

Author(s)

A Skrzypczak, Pedatsur Neta

The Reactions of Pyridinyl

Stoichiometric Preference in Copper-Promoted Oxidative DNA Damage by Ochratoxin A

October 1, 2003

Author(s)

R A. Manderville, W M. Calcutt, J Dai, G Park, I G. Gillman, R E. Noftle, A K. Mohammed, M. Dizdaroglu, H Rodriguez, S A. Akman

The ability of the fungal carcinogen, ochratoxin A (OTA, 1), to facilitate copper-promoted oxidative DNA damage has been assessed using supercoiled plasmid DNA...

A Double Negative (DNG) Composite Medium Composed of Magnetodielectric Spherical Particles Embedded in a Matrix

October 1, 2003

Author(s)

Christopher L. Holloway, Edward Kuester, James R. Baker-Jarvis, Pavel Kabos

In this paper we study a composite medium consisting of insulating magneto-dielectric spherical particles embedded in a background matrix. using results from...

Sources of Uncertainty in the Nose-to-Nose Sampler Calibration Method

October 1, 2003

Author(s)

Nicholas Paulter, Donald R. Larson

We analyze the nose-to-nose (ntn) method for use as an accurate sampler calibration method. The variations in the measurement of the sampler impulse response...

Turnstile Operation Using a Silicon Dual-Gate Single-Electron Transistor

October 1, 2003

Author(s)

Yukinori Ono, Neil M. Zimmerman, Kenji Yamazaki, Yasuo Takahashi

A single-electron turnstile has been demonstrated using a silicon-based dual-gate single-electron transistor (SET). Each gate controls independently the closing...

Temperature Dependence of the Kinetics of the Acylase Hydrolysis Reaction by Differential Stopped Flow Microcalorimetry

October 1, 2003

Author(s)

M Stodeman, Frederick P. Schwarz

The rate of the hydrolysis of N-acetyl-L-methionine by porcine acylase I in 0.1 M phosphate buffer, which is reduced by acetate product inhibition, was...

Electrostatic Influence on Ion Transport through the alpha HL Channel

October 1, 2003

Author(s)

M Misakian, John J. Kasianowicz

The current-voltage relationship of a single Staphylococcus aureus α-hemolysin(αHL) channel is nonlinear, rectifying, and depends on the bulk pH and the ionic...

Averaged Transition Conditions for Electromagnetic Fields at a Metafilm

October 1, 2003

Author(s)

Edward Kuester, Mohamed Mohamed, Christopher L. Holloway, Melinda Picket-May

This work derives generalized sheettransition conditions (GSTCs) for the average electromagnetic fields across a surface distribution of electrically small...

Influence of Barium Dissolution on the Electrokinetic Properties of Colloidal BaTiO₃ in an Aqueous Medium

October 1, 2003

Author(s)

S K. Lee, Vincent A. Hackley, U Paik

Hystersis in the electrokinetic behavior of hydrothermally synthesized colloidal BaTiO 3 is observed during sequential acid and base titrations. Ba 2+ dissolved...

Crystal Structure of Escherichia cole Protein ybgl, a toroidal Structure with a Dinuclear Metal Site

September 30, 2003

Author(s)

Jane E. Ladner, G Obmolova, A Teplyakov, A J. Howard, P P. Khil, R D. Camerini-Otero, G L. Gilliland

Evolution of a Performance Metric for Urban Search and Rescue Robots (2003)

September 30, 2003

Author(s)

Adam S. Jacoff, Brian A. Weiss, Elena R. Messina

This paper discusses the advancement and proliferation of the Reference Test Arenas for Urban Search and Rescue Robots as representative search and rescue...

Osteoblast Cell Membrane Hybrid Bilayers for Studying Cell-Cell Interactions

September 30, 2003

Author(s)

John T. Elliott, Alessandro Tona, John T. Woodward IV, Curtis W. Meuse, H M. Elgendy, Anne L. Plant

Osteopath-like cells were grown on a surface that presents cell membrane components to the cells in culture. The culture surface was a bilayer formed by the...

Prototype system for superconducting quantum interference device multiplexing of large-format transition-edge sensor arrays

September 25, 2003

Author(s)

Carl D. Reintsema, Joern Beyer, Sae Woo Nam, Steven Deiker, Gene C. Hilton, Kent D. Irwin, Joel N. Ullom, Leila R. Vale, Michael MacIntosh

We discuss the implementation of a time-division SQUID multiplexing system for the instrumentation of large-format transition-edge sensors (TES) arrays. We...

NIST 72. NIST Thermophysical Properties of Air and Air Component Mixtures: AIRPROPS

September 24, 2003

Author(s)

Eric W. Lemmon

AIRPROPS provides an interactive, menu-driven database for calculating the thermophysical properties of standard air and mixtures of nitrogen-argon-oxygen. The...

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