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Journals

Characterization of Linear and Branched Polyethylenimine (PEI) by ESI-MS and MALDI-TOF-MS

December 31, 2002

Author(s)

Kathleen M. Flynn, M Konaklieva, J P. Gu, Charles M. Guttman, S Wetzel

Polyethylenimine (PEI) is being used as a DNA transfection agent. Complexes of DNA and PEI are known to pass through the wall of a cell, and studies have...

A Well Dressed Microscope: Practical Experience with Microcalorimeter and Silicon Drift Detector Systems

December 31, 2002

Author(s)

John A. Small, Dale Newbury, John Henry J. Scott, L. King, Sae Woo Nam, Kent D. Irwin, Steven Deiker, Shaul Barkan, Jan Iwanczyk

NIST, Gaithersburg has recently installed a first generation silicon drift detector (SDD) from Photon Imaging and the NIST Boulder microcalorimeter energy...

Screen Saver Science: Realizing Distributed Parallel Computing with Jini and JavaSpaces

December 27, 2002

Author(s)

William L. George, Jake H. Scott

We describe an experimental distributed parallel programming environment, Screen Saver Science (SSS), that utilizes a network of otherwise idle processors as...

Understanding the Correlation Structure of Network Traffic

December 24, 2002

Author(s)

Kevin L. Mills, J Yuan

This paper aims to improve current understanding of the correlation structure of traffic carried over large networks, such as the Internet. To achieve this aim...

Local Protein Dynamics and Catalysis: Detection of Segmental Motion Associated With Rate-Limiting Product Release by a Glutathione Transferase

December 24, 2002

Author(s)

S G. Codreanu, Jane E. Ladner, G Xiao, N V. Stourman, D L. Hachey, G L. Gilliland, R N. Armstrong

Glutathione transferase rGSTM1-1 catalyzes the addition of glutathione (GSH) to 1-chloro-2,4-dinitrobenzene in which chemical step of the reaction is 60-fold...

Quantification of the Predominant Monomeric Catechins in Baking Chocolate Standard Reference Material by LC/APCI-MS

December 18, 2002

Author(s)

Bryant C. Nelson, Katherine E. Sharpless

Mechanism of Nucleocapsid Protein Catalyzed Structural Isomerization of the Dimerization Initiation Site of HIV-1

December 17, 2002

Author(s)

M J. Rist, John Marino

Dimerization of two homologous strands of genomic RNA is an essential feature of retroviral replication. In the human immunodeficiency virus type I (HIV-1), a...

190Pt-1860s and 187Re-1870s Systematics of the Sudbury Igneous Complex

December 16, 2002

Author(s)

J.W. Morgan, R.J. Walker, M.F. Horan, Ellyn S. Beary, A.J. Naldrett

Wire Bonding to Advanced Copper, Low-K Integrated Circuits, the Metal/Dielectric Stacks, and Materials Considerations

December 15, 2002

Author(s)

George G. Harman, Charles Johnson

The role of surface free energy on the formation of hybrid bilayer membranes

December 11, 2002

Author(s)

Vitalii I. Silin, H Wieder, John T. Woodward IV, Gintaras Valincius, A Offenhausser, Anne L. Plant

Specifications for Intelligent Systems: How do they differ from those of Non-intelligent Ones?

December 4, 2002

Author(s)

Elena R. Messina, Hui-Min Huang

A growing number of applications are utilizing so-called intelligent systems. As for any complex system, specifications are necessary for guiding the...

Determination of mercury in the eggs of common murres (Uria aalge) for the seabird tissue archival and monitoring project

December 1, 2002

Author(s)

Steven J. Christopher, Stacy S. Vander-Pol, Rebecca S. Pugh, Russell D. Day, Paul R. Becker

Future of Fire Simulation

December 1, 2002

Author(s)

Kevin B. McGrattan, Howard R. Baum, Ronald G. Rehm, Glenn P. Forney, Kuldeep R. Prasad

Scientists and engineers are often asked to make predictions of the state of technology in the future and are usually laughably wrong. The best prognosticators...

Superconformal Electrodeposition Using Derivitized Substrates

December 1, 2002

Author(s)

Thomas P. Moffat, Daniel Wheeler, C Witt, Daniel Josell

This paper demonstrates superconformal electrodeposition of copper in trenches using a two step process. The substrate is first derivitized with a submonolayer...

Polymer/Layered Silicate Nanocomposites from Thermally Stable Trialkylimidazolium-Treated Montmorillonite.

December 1, 2002

Author(s)

Jeffrey W. Gilman, W H. Awad, Rick D. Davis, John R. Shields, Richard H. Harris Jr., C H. Davis, A B. Morgan, T E. Sutto, J H. Callahan, Paul C. Trulove, H DeLong

The limited thermal stability of alkylammonium cations intercalated into smectite minerals (e.g., montmorillonite, MMT) and the processing instability of some...

Multiscaling Modeling of Fluid Transport in Heterogeneous Materials Using Discrete Boltzmann Methods

December 1, 2002

Author(s)

Nicos Martys, John G. Hagedorn

The lattice Boltzmann method is a promising approach for modeling single and multicomponent fluid flow in complex geometries like porous materials. Here, we...

Hole Growth Instability in the Dewetting of Evaporating Polymer Solution Films

December 1, 2002

Author(s)

Xiaohong Gu, D T. Raghavan, Jack F. Douglas, Alamgir Karim

We investigate the dewetting of aqueous, evaporating polymer [poly(acrylic acid)] solutions cast on hydrophobic (polystyrene) substrates. As with typical...

Reply to the Discussion by S. Chatterji of the Paper Effects of Speciation on the Apparent Diffusion Coefficient in Nonreactive Porous Systems

December 1, 2002

Author(s)

Kenneth A. Snyder, J Marchand

We received two copies of the discussion: one from the journal and a corrected version directly from Dr. Chatterji. Based on the differences between the two...

Effect of the Incorporation of Municipal Solid Waste Incineration Fly Ash in Cement Pases and Mortar. I. Experimental Study.

December 1, 2002

Author(s)

S J. Remond, M. Pimpinella, Dale P. Bentz

This work falls within the scope of a genera! problem regarding the assessment of concrete manufactured from waste materials. The main objective is to study the...

Design and Use of a Peptide Nucleic Acid for Detection of the Heteroplasmic Low-Frequency Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-Like Episodes (MELAS) Mutation in Human Mitochondrial DNA

December 1, 2002

Author(s)

Diane K. Hancock, Frederick P. Schwarz, F H. Song, L J. Wong, Barbara C. Levin

Most pathogenic human mitochondrial DNA (mtDNA) mutations are Heteroplasmic and are difficult to detect when present at very low levels in a population of...

Fire Suppression.

December 1, 2002

Author(s)

Richard G. Gann, L Perkins

Effect of Wind Velocity on Flame Spread in Microgravity

December 1, 2002

Author(s)

Kuldeep R. Prasad, S L. Olson, Y N. Nakamura, K K. Nishizawa, K. Ito, Takashi Kashiwagi

A three-dimensional, time-dependent model is developed describing ignition and subsequent transition to flame spread over a thermally thin cellulosic sheet...

Flammability of Polystyrene Layered Silicate (Clay) Nanocomposites: Carbonaceous Char Formation.

December 1, 2002

Author(s)

A B. Morgan, Richard H. Harris Jr., Takashi Kashiwagi, L Chyall, Jeffrey W. Gilman

Ultraviolet Chambers Based on Integrating Spheres for Use in Artificial Weathering.

December 1, 2002

Author(s)

Joannie W. Chin, E Byrd, N Embree, Jonathan W. Martin, J D. Tate

Effects of Ultraviolet Radiation Exposure on Vinyl Ester Resins: Characterization of Chemical, Physical and Mechanical Damage.

December 1, 2002

Author(s)

A Signor, M R. Vanlandingham, Joannie W. Chin

Fire Safety of Passenger Trains, Phase II: Application of Fire Hazard Analysis Techniques

December 1, 2002

Author(s)

Richard D. Peacock, Paul A. Reneke, Jason D. Averill, Richard W. Bukowski, J H. Klote

As part of the passenger equipment rulemaking required by Congress, the Federal Railroad Adminstration (FRA) has issued new requirements making its existing...

Focusing Neutrons with Tapered Capillary Optics

December 1, 2002

Author(s)

David F. Mildner, Huaiyu H. Chen-Mayer, W M. Gibson

A Coulometric Method for Determining Substances that Interfere with the Measurement of Water in Oils and Other Chemicals by the Karl Fischer Method

December 1, 2002

Author(s)

S A. Margolis, J Paulsen, E Park

Polycapillary Focusing Optic for Small-Sample Neutron Crystallography

December 1, 2002

Author(s)

W M. Gibson, A J. Schultz, Huaiyu H. Chen-Mayer, David F. Mildner, Thomas H. Gnaeupel-Herold, M E. Miller, H J. Prask, R Vitt, R Youngman, J M. Carpenter

Persistent organochlorine pollutants in ringed seals and polar bears collected from northern Alaska

December 1, 2002

Author(s)

John R. Kucklick, W D. Struntz, Paul R. Becker, G.W. York, T.M O'Hara, J.E. Bohonowych

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