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Journals

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...

DNA Base Damage by the Antitumor Agent 3-Amino-1,2,4-Benzotriazine 1,4-Dioxide (Tirapazamine)

September 24, 2003

Author(s)

M Birincioglu, Pawel Jaruga, G Chowdhury, H Rodriguez, Miral M. Dizdar, K Gates

Tirapazamine is a bioreductively activated DNA-damaging agent that selectively kills the hypoxic cells found in solid tomors. This compound shows great clinical...

Atomic Force Microscope Laser Illumination Effects on a Sample and Its Application for Transient Spectroscopy

September 23, 2003

Author(s)

Gyoung H. Buh, Joseph Kopanski

A scanning capacitance microscope (SCM) is used to monitor the irradiation effect on a sample in a conventional atomic force microscope (AFM). The photo...

Phase Transitions Within the Isolated Polymer Molecule: Coupling of the Polymer Threading a Membrane Transition to the Helix-Random Coil, the Collapse, the Adsorption, and the Equilibrium Polymerization Transitions

September 22, 2003

Author(s)

Edmund A. DiMarzio, John J. Kasianowicz

The polymer threading a membrane transition (PTM), which is a first-order thermodynamic phase transition for an isolated linear polymer in the limit of infinite...

Structure and Magnetic Properties of Electrodeposition Co on n-GaAs (001)

September 19, 2003

Author(s)

A X. Ford, John E. Bonevich, Robert D. McMichael, Mark D. Vaudin, Thomas P. Moffat

Co thin films have been electrodeposited on n-type (001) GaAs. The structure and texture of the films were investigated using x-ray diffraction (XRD) and...

Quantum Entanglement of Fock States with Perfectly Efficient Ultraslow Single-Probe Photon Four-Wave Mixing

September 18, 2003

Author(s)

Lu Deng, M. G. Payne

We propose a method to achieve quantum entanglement of two Fock states with perfectly efficient, ultraslow propagation enhanced four-wave mixing. A cold atomic...

Metal Patterning Using Tailored Functional Group Chemistry: Selective, Electroless Deposition of Metals on Self-Assembled Monolayers

September 16, 2003

Author(s)

Christopher D. Zangmeister, Roger D. van Zee

This study investigates the attachment of copper particles to self-assembled monolayers of mercaptobenzoic acids (MBA) on gold substrates. The carboxylate...

Kinetic Isotope Effects in the Active Site of B-Subtilis Chorismate Mutase

September 15, 2003

Author(s)

S. E. Worthington, A. E. Roitberg, Morris Krauss

Kinetic Isotope Effects are determined for the enzyme-catalyzed Claisen rearrangement of chorismate to prephenate using computational methods. The reported...

Interdiffision in Polystyrene and End-Functional Polystyrene Thin Films Near a Solid Surface

September 10, 2003

Author(s)

Chengqing C. Wang, Vivek M. Prabhu, Christopher L. Soles, B D. Vogt, Wen-Li Wu, Eric K. Lin, Sushil K. Satija

Polymer interdiffusion near the polymer/solid interface is studied using neutron reflectometry. Bilayers of hydrogenated polystyrene (hPS) and deuterated...

High-Frequency Characteristics of Metal/Native-Oxide Multilayers

September 5, 2003

Author(s)

Geoffrey S. Beach, Thomas J. Silva, F. T. Parker, A. E. Berkowitz

The high-frequency magnetization dynamics of magnetically soft Co χFe 100-χ metal/native-oxide multilayers were studied as a function of alloy composition (10...

Large-Scale Modeling of Fire Suppression with Water Sprays

September 2, 2003

Author(s)

Kevin McGrattan

The mechanisms underlying fire suppression by water can bedivided into gas and solid phase phenomena. Numerical models ofthese phenomena are dependent on the...

Temperature Characterization in the Collection Tank of the NIST 26 m(3) PVTt Gas Flow Standard

September 1, 2003

Author(s)

Aaron N. Johnson, John D. Wright, Michael R. Moldover, Pedro I. Espina

Gas temperature gradients created during the filling stage of a PVTt (Pressure-Volume-Temperature-time) calibration cycle, and those imposed by inhomogeneous...

Pseudopotential Model of Ultracold Atomic Collisions in Quasi-One and Two-Dimensional Traps

September 1, 2003

Author(s)

E L. Bolda, Eite Tiesinga, Paul S. Julienne

We describe a model for s-wave collisions between ground state atoms in optical lattices considering especially the limits of quasi- one and two-dimensional...

Reciprocity Law Experiments in Polymeric Photodegradation: A Critical Review

September 1, 2003

Author(s)

Jonathan W. Martin, Joannie W. Chin, Tinh Nguyen

celerating the photodegradation of polymeric materials is of great interest in weathering research. One way of achieving acceleration is by exposing polymeric...

Thermolithographic Patterning of Sol-Gel Metal Oxides on Micro hot plate Sensing Arrays Using Organosilanes

September 1, 2003

Author(s)

N O. Savage, S V. Roberson, John G. Gillen, Michael J. Tarlov, Stephen Semancik

Sol-gel derived SnO2 and Fe2O3 were selectively deposited on elements of microhotplate (?HP) arrays. The silicon micromachined ?HP arrays contain heating...

Cloning and Expression of the Gene for a Novel Protein From Mycobacterium Smegmatis With Functional Similarity to Eukaryotic Calmodulin

September 1, 2003

Author(s)

Prasad T. Reddy, C R. Prasad, P H. Reddy, D J. Reeder, K H. McKenney, H Jaffe, M N. Dimitrova, A Ginsburg, A Peterkofsky, P S. Murthy

The calmodulin-like protein from Mycobacterium smegmatis (MSM-CAMLP) was purified to homogeneity with a yield of about 1 g from 70 g of cells. Peptide sequence...

The Development of Reduced Size STR Amplicons as Tools for Analysis of Degraded DNA

September 1, 2003

Author(s)

John M. Butler, Y Shen, B. R. McCord

The half-life of ⁷⁶As

September 1, 2003

Author(s)

Richard M. Lindstrom, M Blaauw, R F. Fleming

Using k₀ in PGAA: Perspectives

September 1, 2003

Author(s)

Richard M. Lindstrom

Approach to Improving Network Capable Application Processor Based on IEEE 1451 Standard

September 1, 2003

Author(s)

Kang B. Lee

The IEEE 1451 standard supports the structure of distributed data acquisition systems and networks. The key components for such a distributed network are the...

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