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Conferences

Synthesis of Bioconjugated Magnetic Nanoparticles for Magneto-Raman Study

February 1, 2004

Author(s)

Guangjun Cheng, D B. Romero, D Dunmire, Angela R. Hight Walker

We are investigating the effects of an externally applied magnetic field on the structure and magnetic properties of biomolecules (DNA and proteins). A newly...

Realization of a Quantum Random Walk With Ultracold Atoms

February 1, 2004

Author(s)

D Ciampini, M B. d'Arcy, J M. Grossman, Kristian Helmerson, Paul D. Lett, William D. Phillips, A Vaziri, S L. Rolston

Classical random walks have many applications in computer science. Quantum random walks (QRWs) [1] have been suggested as the potential basis for quantum...

A New Optical Tweezers Technique Using a Holographic Crystal

February 1, 2004

Author(s)

E Edgu-Fry, Kristian Helmerson, Joseph E. Reiner, Rani B. Kishore

It has been shown previously that radiation pressure from a highly focused beam can be used to trap and manipulate objects in an aqueous media [1]. Over the...

Surface Enhanced Raman Spectroscopy in a Microfluidic Device

February 1, 2004

Author(s)

D Dunmire, D B. Romero, Guangjun Cheng, Angela R. Hight Walker

Surface enhanced Raman spectroscopy (SERS) is employed to study the solution phase vibrational structure of molecules on gold and silver colloids. Gold and...

Superfluid-to-Mott-Insulating Transition in a One-Dimensional Atomic Gas

February 1, 2004

Author(s)

C Fertig, K M. O'Hara, J H. Huckans, James V. Porto, William D. Phillips

Over the past two decades, the Mott-insulating phase transition has received a great deal of attention as a prototypical example of a quantum phase transition...

Chiral Separations by Temperature Gradient Focusing

February 1, 2004

Author(s)

K M. Balss, Wyatt N. Vreeland, Karen W. Phinney, Michael J. Tarlov, David J. Ross

Temperature gradient focusing (TGF) involves application of a temperature gradient across a microchannel or capillary. With an appropriate buffer, the...

Porous Tin Oxide Nanostructured Microspheres for Sensor Applications

February 1, 2004

Author(s)

C Martinez, B Hockey, Christopher B. Montgomery, Stephen Semancik

There is a growing need to develop highly sensitive chemical sensors for applications such as military reconnaissance and toxic waste removal. A promising route...

Automated Construction of Pressure-Dependent Gas-Phase Kinetic Models: New Pathways for Old Problems

February 1, 2004

Author(s)

D M. Matheu, M Saeys, J M. Grenda, A M. Dean, W H. Green

Advancement in the understanding and design of such important gas-phase processes as light hydrocarbon cracking, combustion, and partial oxidation hinges, in...

Controlling The Growth Direction of ZnO Nanowires (NWs) on c and a -Plane Sapphire

February 1, 2004

Author(s)

Babak Nikoobakht, Albert Davydov, Stephan J. Stranick

The issue of controlling the growth direction of NWs is vital in nanotechnology applications and future optoelectronic devices. In an effort to address the...

Coupling Efficiencies in Single-Photon On-Demand Sources

February 1, 2004

Author(s)

Stefania Castelletto, Ivo P. Degiovanni, M J. Ware, Alan L. Migdall

Many quantum computation and communication schemes require, or would significantly benefit from, true sources of single photon on-demand (SPOD). Unfortunately...

High-Throughput Adhesion Testing of Combinatorial Libraries With Multi-Lens Arrays

February 1, 2004

Author(s)

Aaron M. Forster, Wenhua Zhang, Christopher Stafford

The NIST Combinatorial Methods Center (NCMC) has adapted the Johnson, Kendall, and Roberts (JKR) test to develop a high-throughput adhesion measurement platform...

Combinatorial Techniques to Measure Curing of Epoxy Films

February 1, 2004

Author(s)

Aaron M. Forster, D Ragahavan, Naomi Eidelman, Alamgir Karim

Combinatorial methods were implemented in the investigation of time and temperature effects on epoxy curing by using three complementary techniques...

Significant Parameters in the Optimization of MALDI-TOF-MS

February 1, 2004

Author(s)

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

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

Structure-Property Relationships of Thermoset Methacrylate Composites as a Function of Resin Matrices, Nanofillers, and Nanofiller Surface Chemistries

February 1, 2004

Author(s)

K W. O'Brien, Elizabeth Wilder, Joseph M. Antonucci

The goal of this research is to better understand the interactions and relationships between nanoparticle fillers, their surface treatment chemistries, various...

Fundamental Parameters Line Profile Fitting in Laboratory Diffractometers

February 1, 2004

Author(s)

R W. Cheary, A A. Coelho, James Cline

The fundamental parameters approach to line profile fitting uses physically based models to generate the line profile shapes. Fundamental parameters profile...

Optical Anisotropy in Viscoelastic Carbon Nanotube Suspensions

February 1, 2004

Author(s)

D J. Fry, Erik K. Hobbie

Carbon nanotubes, having remarkably high tensile strength, large aspect ratio, and enhanced electrical and thermal properties, continue to hold much promise as...

Peel Test Revisited Using Novel High Throughput Methods

February 1, 2004

Author(s)

A Chiche, Wenhua Zhang, Christopher Stafford

We have developed a novel combinatorial method for peel testing based on the use of gradient techniques, including surface roughness and energy, adhesive or...

Dynamical Adhesion Force of Cells on Biomaterial Substrates

February 1, 2004

Author(s)

Y N. Deng, Carl Simon Jr., P M. McGuiggan, Sheldon M. Wiederhorn, Brian R. Lawn

The adhesion of cells to synthetic biomaterial implant surfaces is an essential step for tissue growth in bone repair. Such adhesion can mandate whether the...

Hydrosomes and Optical Tweezers: What Can We Do With the World s Smallest Test Tubes?

February 1, 2004

Author(s)

Joseph E. Reiner, Rani B. Kishore, Kristian Helmerson, M K. Gilson

Hydrosomes are micron sized surfactant stabilized water droplets in a fluorocarbon background. Different chemicals can be mixed with the water droplets to form...

Superfluid Atomic Fermi Gas With a Vortex

February 1, 2004

Author(s)

N Nygaard, G M. Bruun, B I. Schneider, D L. Feder, Charles W. Clark

Dilute atomic gases have become a powerful tool for studying many-body quantum mechanics. The best example of this is the achievement of Bose-Einstein...

Models and Control Approaches for the Microassembly of Microelectromechanical Systems

February 1, 2004

Author(s)

Jason J. Gorman, Nicholas Dagalakis

The majority of commercially available microelectromechanical systems (MEMS) have depended on silicon micromachining for manufacturing. However, silicon...

Field Measurements of State of Polarization and PMD from a Tier-1 Carrier

February 1, 2004

Author(s)

D Peterson, Paul Leo, Kent B. Rochford

Field measurements of the state of polarization in buried and aerial transmission fiber are presented and analyzed. State of polarization changes measured under...

Micromachined Alkali Atom Vapor Cells for Chip-Scale Atomic Clocks

January 30, 2004

Author(s)

Li-Anne Liew, Svenja A. Knappe, John M. Moreland, Hugh Robinson, Leo W. Hollberg, John Kitching

This paper describes the fabrication of chip-sized alkali atom vapor cells, for use in highly miniaturized atomic frequency references, using silicon...

Force-deflection characterization of individual carbon nanotubes attached to MEMS devices

January 25, 2004

Author(s)

M Hartman, Paul Rice, Dudley Finch, G. D. Skidmore, Victor M. Bright

Results are presented for in-situ manipulation, attachment, and mechanical testing of individual carbon nanotubes (CNTs) on MEMS devices. Nanotubes positioned...

Interoperable Dynamic Tactical Information for Public Safety Officials

January 23, 2004

Author(s)

William D. Davis, D D. Evans

Currently, fire department notification of a building fire comes from either a building fire alarm system monitoring service or a 911 call. The emergency...

Using Nonoscillatory Splines to Model Urban Environments

January 15, 2004

Author(s)

David E. Gilsinn, Marjorie A. McClain, Christoph J. Witzgall

In this paper we introduce the notion of Lavery splines and examine their properties in the univariate case. We also discuss some of the details involved with...

Approximating Limit Cycles of a Van der Pol Equation with Delay

January 15, 2004

Author(s)

David E. Gilsinn

In this paper a theorem of Stokes is used to establish the existence of a periodic solution of a Van der Pol equation with fixed delay in the neighborhood of an...

Using Nanoscillatory Splines to Model Urban Environments

January 15, 2004

Author(s)

David E. Gilsinn, Marjorie A. McClain, Christoph J. Witzgall

Bayesian Analysis of Ceria Nanoparticles From Line Profile Data

January 12, 2004

Author(s)

N G. Armstrong, A Dowd, James Cline, W Kalceff

A Bayesian/Maximum entropy (MaxEnt) method is applied to quantify the broadening of X-ray line profiles in terms of the nanocrystallite size effects in ceria...

A Comparative Study of Biomarkers of Oxidative DNA Damage Used to Detect Free Radical Damage in Tissue-Engineered Skin

January 1, 2004

Author(s)

H Rodriguez, Pawel Jaruga, M Birincioglu, Peter E. Barker, C D. O'Connell, M. Dizdaroglu

The process of tissue engineering often involves the mixing of cells with polymers that may cause inflammation to the tissue and thus elevate the level of...

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