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Conferences

Droplet Microstructure and String Stability in Sheared Emulsions: Role of Finite-Size Effects

February 1, 2004

Author(s)

Jai A. Pathak, E Robertson, Steven D. Hudson, Kalman D. Migler

We discuss the influence of confinement on the microstructure of emulsions in steady shear flow fields and present initial results on experiments on stability...

Elastic Flow Instability, Curved Streamlines and Mixing in Microfluidic Flows

February 1, 2004

Author(s)

Jai A. Pathak, David J. Ross, Kalman D. Migler

Flow instabilities are well known to occur in macroscopic flows when elastic fluids flow along curved streamlines. In this work we use flow visualization to...

Characterization of Colloidal Material Fom Natural and Engineered Waters Investigating Structure-Function Relationships Through Microanalysis

February 1, 2004

Author(s)

Richard D. Holbrook, Scott A. Wight, Dale E. Newbury

The fate, transport and ultimate impact of toxic compounds in aquatic systems is governed by their distribution between the particulate, colloidal and dissolved...

A New Synthetic Method for Controlled Polymerization of HPMA Using a Microfluidic System

February 1, 2004

Author(s)

Tao Wu, Ying Mei, J Cabral, Chang Xu, Kathryn L. Beers

Atom transfer radical polymerizations (ATRP) were performed in a microfluidic channel, fabricated in a solvent resistant polymer matrix. Compared to...

Development of a Combinatorial Rheometer for Polymer Formulations

February 1, 2004

Author(s)

H J. Walls, Robert F. Berg, Kathryn L. Beers, Eric J. Amis

Finding the best formulation for a new application, or fine-tuning an existing formulation to meet various customer needs, requires extensive sample preparation...

High Throughput Measurement of the Elastic Modulus of Polymer Thin Films

February 1, 2004

Author(s)

Christopher M. Stafford, A Chiche, D Julthongpiput, Michael J. Fasolka

Combinatorial and High Throughput (C&HT) methods combine clever experiment design, instrument automation, and computing tools to form a new paradigm for...

Testing: A Key to Building Trust and Confidence in IT Systems

February 1, 2004

Author(s)

S F. Zevin

The ubiquitous computer now touches nearly every aspect of human life. The promise of information technology is improvement to the quality of life. Maintaining...

High-Frequency Dielectric Relaxation in Trehalose-Glycerol Mixtures

February 1, 2004

Author(s)

O Anopchenko, Jan Obrzut, Bert W. Rust

Broadband dielectric measurements were performed on a series of trehalose-glycerol mixtures in a wide concentration range of glycerol and temperature swept from...

Quantitative Response Measurement of Cell Substrate Interactions via RT-PCR

February 1, 2004

Author(s)

Matthew Becker, L A. Bailey, Karen L. Wooley, J Kohn, Eric J. Amis, N Washburn

High-throughput metrologies for the rapid and systematic evaluation of synthetic materials, which would elucidate a candidate s potential biocompatibility, are...

A Pathwise Optimality Result For A Class of Unichain Markov Decision Processes

February 1, 2004

Author(s)

Fern Y. Hunt

We begin this expository essay by reviewing with examples what a typical engineer already knows about statistics. We then consider a central question in...

Centrifugal Buoyancy Effects on the Linear Stability of Sprial Poiseuille Flow

February 1, 2004

Author(s)

David Cotrell, Geoffrey B. McFadden

For fluid flow in an annulus driven by the combination of an axial pressure gradient, rotation of the inner and outer cylinders, and a radial temperature...

Evaluation of Inter-Laboratory Comparisons

February 1, 2004

Author(s)

Adriana Hornikova

Matrix Decompositions and Entanglement Dynamics

February 1, 2004

Author(s)

Stephen Bullock, G K. Brennen

Given a closed system of quantum data, quantum computations are mathematically modeled by exponentially large unitary matrices. A matrix decomposition is an...

NIST CFTT: Testing Computer Forensics Tools

February 1, 2004

Author(s)

James R. Lyle

There is a critical need in the law enforcement community to ensure the reliability of computer forensic tools. A capability is required to ensure that forensic...

Engineering the Electrochromism of Layer-by-Layer Assembled Films

February 1, 2004

Author(s)

Dean M. DeLongchamp, P T. Hammond

This work applies the processing technique of layer-by-layer (LBL) assembly to the creation and development of new electrochemically-active composites. Layer-by...

Non-Linear Transport Properties of Carbon Nanotube Filled Polypropylene

February 1, 2004

Author(s)

S B. Kharchenko, Kalman D. Migler, Jack F. Douglas, Jan Obrzut, E A. Grulke

Dispersal of a relatively small concentration [O(1%) volume fraction] of multiwall carbon nanotubes (MWNT) into polypropylene (PP) is found to cause large and...

Exploring the Effects of Electrospinning Processing Protocols on Fiber Surface Morphology and Polymer Chain Conformation

February 1, 2004

Author(s)

J S. Stephens, J F. Rabolt, D B. Chase

Electrospinning is a fiber formation technique that uses electrostatic forces to create continuous, nanometer diameter fibers. A wide variety of polymers have...

Surface Effects in Chemically Amplified Photoresists: Environmental Stability and Segregation

February 1, 2004

Author(s)

E Jablonski, Vivek M. Prabhu, S Sambasivan, Daniel A. Fischer, Eric K. Lin, D L. Goldfarb, M Angelopoulos, H Ito

It is well known that chemically amplified photoresists are sensitive to certain airborne molecular contaminants, notably amines, during post exposure delay...

Dielectric and Conductive Properties of Poly(Methyl Methacrylate)/Single Wall Carbon Nanotube Composites

February 1, 2004

Author(s)

K Kano, Jan Obrzut, Wei Zhou, F Du, K Winey, John E. Fischer, Haonan Wang

Single wall carbon nanotube and poly(methyl methacrylate) (PMMA) composite was investigated by means of broadband dielectric spectroscopy. We used two kinds of...

Water Absorption in Thin Photoresist Films

February 1, 2004

Author(s)

B D. Vogt, Christopher L. Soles, Ronald L. Jones, Vivek M. Prabhu, Wen-Li Wu, Eric K. Lin

In this work, we quantify deviations in the moisture absorption into model photoresist films upon changing thickness. Both the thermodynamics and kinetics of...

Crystal Chemistry and Structure-Property Relationships of Dielectric Ceramic Materials

February 1, 2004

Author(s)

M W. Lufaso

Damage Modes in Dental Crown Multilayer Structures

February 1, 2004

Author(s)

Yu Zhang, Y N. Deng, Brian R. Lawn

The full potential of esthetic ceramic-based dental restorations has not yet been realized. Processing and surgical induced damage, exacerbated by fatigue...

Relaxation Behavior and Optical Transmission of Nylon/Clay NanocompositesMonitored During Compounding by an Online Dielectric Sensor

February 1, 2004

Author(s)

T Y. Lee, Anthony J. Bur, S C. Roth, P R. Start

Polymer/clay nanocomposites are industrially important materials because a small amount of clay filler (less than 5 % by weight) mixed with the polymer resin...

Phase Relations in the Ba-R-Cu-O (R = Nd, Sm, Eu, Gd, Ho, Y and Er) Systems Prepared Under Atmospherically-Controlled Conditions

February 1, 2004

Author(s)

Winnie K. Wong-Ng, Lawrence P. Cook, J Suh

Monte Carlo Simulations of the Equilibrium Polymerization in the Stockmayer Model

February 1, 2004

Author(s)

K Van Workum, Jack F. Douglas

We investigate the relationship between the thermodynamic properties and the physical structure of the Stockmayer fluid in the regime of strong association. We...

Organogelators and Their Application in Bioactive Dental Composites

February 1, 2004

Author(s)

Elizabeth Wilder, Joseph M. Antonucci

Concerns regarding the use of amalgam fillings in restorative dentistry have spurred an interest in alternative polymeric dental materials such as bioactive...

Informatics Infrastructure for Combinatorial and High-Throughput Laboratory Research Built on Open Source Code

February 1, 2004

Author(s)

Wenhua Zhang, Michael J. Fasolka, Alamgir Karim, Eric J. Amis

Laboratory Research Informatics Systems (LRIS) hold great promise in streamlining research generally, and are particularly necessary for new data-intensive...

Modeling, Simulation and Prediction of Rockwell Hardness Indentation

February 1, 2004

Author(s)

Li Ma, Samuel R. Low III, Richard J. Fields, Roland deWit, Jun-Feng Song, Theodore V. Vorburger, J Zhou

Rockwell hardness test, as a measure of the resistance of a material to localized plastic deformation, is a valuable and widely used mechanical test. However...

Line-Edge Roughness and Side-Wall Angle Measurements of Nanoscale Patterns by Small Angle X-Ray Scattering

February 1, 2004

Author(s)

T Hu, Ronald L. Jones, Eric K. Lin, Wen-Li Wu

Nanometer scale control of lithographic pattern quality is required as the semiconductor industry moves to the mass production of sub-100nm semiconductor...

Photoassociation Spectroscopy of the Lowest Triplet Potential of Na₂

February 1, 2004

Author(s)

R Dumke, M Johanning, J D. Weinstein, Paul D. Lett

We have performed a type of Autler-Townes spectroscopy to investigate the level structure of the triplet ground state potential of the sodium dimer. By driving...

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