Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Journals

Thermodynamics of the Hydrolysis Reactions of ±-D-galactose 1-phosphate, sn-glycerol 3-phosphate, 4 nitrophenyl phosphate, phosphocreatine, and 3-phospho-D-glycerate

May 1, 2009

Author(s)

Robert N. Goldberg, Brian E. Lang, Catherine T. Lo, David J. Ross, Yadu D. Tewari

Microcalorimetry, high-performance liquid chromatography, and an enzymatic assay have been used to conduct a thermodynamic investigation of five phosphate...

"Negative resistance" errors in four-point measurements of crossed-wire devices

May 1, 2009

Author(s)

Joshua M. Pomeroy, Holger Grube

"Negative resistance" errors due to non-uniform current distributions significantly distort the apparent electronic performance of devices formed with crossed...

Potential Primary Measurement Tool for the Quantification of DNA

May 1, 2009

Author(s)

Ryan G. Brennan, Savelas A. Rabb, Marcia J. Holden, Michael R. Winchester

An automated sample introduction system, utilizing a demountable direct injection high efficiency nebulizer (d DIHEN), is successfully incorporated for the...

Cut it out!

May 1, 2009

Author(s)

Isabel M. Beichl, Francis Sullivan

This is a tutorial article on a probabilistic method for finding minimum cut sets of a connected graph.

Influence of Internal Curing using Lightweight Aggregates on Interfacial Transition Zone Percolation and Chloride Ingress in Mortars

May 1, 2009

Author(s)

Dale P. Bentz

The microstructure of the interfacial transition zone (ITZ) between cement paste and aggregate depends strongly on the nature of the aggregate, specifically its...

Quantitative Measurement of the Polydispersity in the Extent of Functionalization of Glass Forming Resorcinarenes

May 1, 2009

Author(s)

William E. Wallace, Kathleen M. Flynn, Charles M. Guttman, David L. VanderHart, Vivek M. Prabhu, Anuja De Silva, Nelson Felix, Christopher K. Ober

The polydispersity in the degree of functionalization for two calix[4]resorcinarenes was determined by measuring their molecular mass distribution with matrix...

Nanoparticle assembly, DNA provides control

May 1, 2009

Author(s)

Vivek M. Prabhu, Steven D. Hudson

No abstract this is a Nature Materials News and Views (less than 800 word) article.

X-ray measurements at high-power lasers

May 1, 2009

Author(s)

Lawrence T. Hudson, C.I Szabo, Paul Indelicato, G.E. Gumberidze, G Holland, John F. Seely, Albert Henins, M Audebert, S. Bastiani-Ceccotti, E. Tabakhoff, E. Brambrink

Conversion efficiencies of laser light into K x-ray radiation are used to characterize laser-solid interactions e.g. in measurements with back-lighter targets...

YBa₂Cu₃O_7-δ coated conductor cabling for low ac-loss and high-field magnet applications

May 1, 2009

Author(s)

Daniel C. van der Laan

The electromechanical properties of YBa 2Cu 3O 7-δ coated conductors under high axial compressive strain are measured; they show no irreversible degradation in...

The IMS 2009 "Bonus Issue"

May 1, 2009

Author(s)

Catherine A. Remley

This is an Editorial for a special issue of IEEE Microwave Magazine devoted to the International Microwave Symposium. Kate Remley, the Editor-in-Chief, and two...

Observation of a 2D Bose-gas: from thermal to fractured quasi-condensate to superfluid

May 1, 2009

Author(s)

Pierre Clade, Changhyun Ryu, Anand Ramanathan, Kristian Helmerson, William D. Phillips

This paper presents experimental results on a Bose gas in a quasi-2D geometry near the Berezinskii,Kosterlitz and Thouless (BKT) transition temperature. By...

Plant and fungal Fpg homologs are formamidopyrimidine DNA glycosylases but not 8-oxoguanine DNA glycosylases

May 1, 2009

Author(s)

Scott D. Kathe, Ramiro Barrantes-Reynolds, Pawel Jaruga, Michael Newton, Cynthia Burrows, Viswanath Bandaru, Miral M. Dizdar, Jeffrey Bond, Susan Wallace

Formamidopyrimidine DNA glycosylase (Fpg) and endonuclease VIII (Nei) share an overall common three dimensional structure and primary amino acid sequence in...

Prediction of Feshbach resonances from three input parameters

April 30, 2009

Author(s)

Thomas M. Hanna, Eite Tiesinga, Paul S. Julienne

We have developed a model of Feshbach resonances in gases of ultracold alkali metal atoms using the ideas of quantum defect theory. Our model requires just...

Conformational Effects on Excitonic Interactions in a Prototypical H-bonded Bichromophore: Bis(2-hydroxyphenyl)methane

April 30, 2009

Author(s)

David F. Plusquellic, Nathan Pillsbury, Christian Mueller, Timothy Zwier

Laser induced fluorescence (LIF), single vibronic level fluorescence, UV holeburning, and fluorescence-dip infrared (FDIR) spectroscopy have been carried out on...

Reference Ballistic Chronograph

April 30, 2009

Author(s)

Nicholas G. Paulter Jr., Donald R. Larson

A ballistic chronograph with a measurement uncertainty of less than +/- 0.1 m/s has been designed, constructed and tested. Because of this low uncertainty, this...

Programmable Instrumentation & GHz Signaling for Quantum Communication Systems

April 30, 2009

Author(s)

Alan Mink, Joshua C. Bienfang, Robert J. Carpenter, Lijun Ma, Barry J. Hershman, Alessandro Restelli, Xiao Tang

We discussed custom instrumentation for high-speed single photon metrology. We focus on the difficulty of GHz data sampling and provide some techniques on how...

1310 nm Differential Phase Shift QKD System Using Superconducting Single Photon Detectors

April 30, 2009

Author(s)

Xiao Tang, Lijun Ma, Sae Woo Nam, Burm Baek, Oliver T. Slattery, Alan Mink, Hai Xu, Tiejun Chang

We have implemented a differential-phase-shift (DPS) quantum key distribution (QKD) system at 1310 nm with superconducting single photon detectors (SSPD). The...

Enthalpy of Solution and Kovats Retention Indices for Nitroaromatic Compounds on Stationary Phases using Gas Chromatography

April 30, 2009

Author(s)

Jeffrey A. Caufield, Thomas J. Bruno, Keith Miller

Worldwide terrorism has recently resulted in increased efforts to detect and identify explosive residues. Availability of experimentally determined...

In-plane bias in a patterned ferromagnetic/antiferromagnetic bilayer

April 30, 2009

Author(s)

Yury P. Kabanov, Valerian I. Nikitenko, Oleg A. Tikhomirov, William F. Egelhoff Jr., Alexander J. Shapiro, Robert D. Shull

Exchange bias in bi- and multilayer magnetic systems is usually ascribed to the existence of transient magnetic structures at the interfaces between adjacent...

Practical long-distance quantum key distribution system using decoy levels

April 30, 2009

Author(s)

Danna Rosenberg, Charles G. Peterson, Jim A. Harrington, Patrick R. Rice, N. Dallman, K. T. Tyagi, K. P. McCabe, Sae Woo Nam, Burm Baek, Robert Hadfield, Richard J. Hughes, Jane E. Nordholt

Quantum key distribution (QKD) has the potential for widespread real-world applications, but no secure long-distance experiment has demonstrated the truly...

Topography of epitaxial GaAs surfaces for growth

April 30, 2009

Author(s)

Susan Y. Lehman, Alexana Roshko, Richard Mirin, Kristine A. Bertness, Todd E. Harvey, Keith D. Cobry

The topography and surface roughness of (100) GaAs substrates and buffers after different preparation procedures were determined from atomic force microscopy...

Probabilistic Call Admission Control Algorithm for WLAN in a Heterogeneous Wireless Environment

April 30, 2009

Author(s)

Nicolas Chevrollier, David W. Griffith, Nada T. Golmie, SuKyoung Lee, Kyungsoo Kim, Hong Kunho, YoonHyuk Kim

In an integrated WLAN and cellular network, if all mobile users whose connections originate in the cellular network migrate to the WLAN whenever they enter the...

Policy-based Scanning with QoS Support for Seamless Handovers in Wireless Networks

April 28, 2009

Author(s)

Nada T. Golmie

Supporting seamless handovers between different wireless networks is a challenging issue. One of the most important aspects of a seamless handover is finding a...

Thin Films Mechanics of Degradable Tyrosine-Derived Polycarbonate Biomaterials and Their Blends

April 28, 2009

Author(s)

Khaled A. Aamer, Christopher Stafford, Lee J. Richter, J Kohn, Matthew Becker

The integrity, function, and performance of biomedical devices possessing thin polymeric coatings are critically dependent on the thin film mechanical...

Three-Magon Splitting and Confluence Processes for Magnetostatic Backward Volume-Spin-Wave Excitations in Yttrium Iron Garnet Films

April 27, 2009

Author(s)

Pavel Kabos, Cesar O. Ordonez-Romero, Boris A. Kalinikos, Pavol Krivosik, Wei Tong, Carl E. Patton

Brillouin light scattering (BLS) has been used to observe and confirm the existence of nonlinear three magnon splitting and confluence processes for propagating...

Evaluating the locality of intrinsic precession damping in transition metals

April 24, 2009

Author(s)

Keith Gilmore, Mark D. Stiles

The Landau-Lifshitz-Gilbert damping parameter is typically assumed to be a local quantity, independent of the magnetic configuration. To test the validity of...

Equilibrium Polymerization Models of Reentrant Self-Assembly

April 24, 2009

Author(s)

Jacek Dudowicz, Jack F. Douglas, Karl Freed

As is well known, liquid-liquid phase separation can occur either upon heating or cooling, corresponding to lower and upper critical solution phase boundaries...

Analysis and fit of the high-resolution spectrum of the A 1A u X 1A g LIF spectrum of the two-equivalent-top molecule biacetyl

April 23, 2009

Author(s)

Jon T. Hougen

Abstract The laser-induced visible fluorescence excitation spectrum of the Ã 1Au (S1) - X̃ 1Ag (S0) transition in biacetyl (CH3-C(=O)-C(=O)-CH3) exhibits a long...

Optimized Dynamical Decoupling in a Model Quantum Memory

April 23, 2009

Author(s)

Michael J. Biercuk, Hermann Uys, Aaron Vandevender, N. Shiga, Wayne M. Itano, David J. Wineland, John J. Bollinger

We demonstrate the efficacy of optimized dynamical decoupling pulse sequences in suppressing phase errors in a model quantum memory. Our experimental system...

Itinerant spin excitations near the hidden order transition in URu2Si2

April 22, 2009

Author(s)

J. A. Janik, H. D. Zhou, Y.-J. Jo, L. Balicas, G. J. MacDougall, G. M. Luke, J. D. Garrett, K. J. McClellan, E. D. Bauer, J. L. Sarrao, Yiming Qiu, John R. Copley, Z. Yamani, W. J. Buyers, C. R. Wiebe

By means of neutron scattering we show that the high-temperature precursor to the hidden order state of the heavy fermion superconductor URu 2Si 2 exhibits...

Was this page helpful?