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

Dose calibrator manufacturer-dependent bias in assays of 123I

March 26, 2014

Author(s)

Denis E. Bergeron, Jeffrey T. Cessna, Daniel B. Golas, Rheannan K. Young, Brian E. Zimmerman

Calibration factors for commercial ionization chambers (i.e. dose calibrators) were determined for a solution of 123I; the activity was based on the 1976 NBS

Parametric pumping of precession modes in ferromagnetic nanodisks

March 26, 2014

Author(s)

Feng Guo, Lyubov Belova, Robert McMichael

We report parametric excitation of magnetic precession modes in nanodisks using a parallel pumping configuration. The excitations are detected using a

A quenched spinor Bose-Einstein Condensate: From U(1) to U(1)xZ₂

March 25, 2014

Author(s)

Ian B. Spielman, Subhadeep De, Daniel Campbell, Ryan Price, Andika Putra, Brandon Anderson

We explore the time evolution of quasi-1D two component Bose-Einstein condensates (BEC's) following a quench from a spin polarized gas with a ${\rm U}(1)$ order

Specimen-thickness effects on transmission Kikuchi patterns in the scanning electron microscope

March 24, 2014

Author(s)

Katherine P. Rice, Robert R. Keller, Mark Stoykovich

We report the effects of varying specimen thickness onthe generation of transmission Kikuchi patterns in the scanning electron microscope. Diffraction patterns

Interface scattering in polycrystalline thermoelectrics

March 24, 2014

Author(s)

Adrian Popescu, Paul M. Haney

We study the effect of electron and phonon interface scattering on the thermoelectric properties of disordered, polycrystalline materials (with grain sizes

Nonlinear Oscillations and Bifurcations in Silicon Photonic Microresonators

March 24, 2014

Author(s)

Daniel Abrams, Alex Slawik, Kartik Srinivasan

Storage Wars: How citrate capped silver nanoparticle suspensions are affected by not-so-trivial decisions

March 21, 2014

Author(s)

Justin M. Gorham, Anne B. Rohlfing, Katrice A. Lippa, Robert I. MacCuspie, Amy Hemmati, Richard D. Holbrook

A critical but often overlooked component of silver nanoparticle (AgNPs) suspensions involves their behavior following short- and long-term storage. The current

Microfluidic-Enabled of Liposomes Elucidate Size-Dependent Transdermal Transport

March 21, 2014

Author(s)

Wyatt N. Vreeland, Renee R. Hood, Eric Kendall, Don L. DeVoe, Julia Finkel, Mariana Junqueira, Zenaide Quezado

Microfluidic synthesis of small and nearly-monodisperse liposomes is used to investigate the size-dependent passive transdermal transport of nanoscale lipid

EPR AND OSL EMERGENCY DOSIMETRY WITH TEETH: A DIRECT COMPARISON OF TWO TECHNIQUES

March 20, 2014

Author(s)

Marc F. Desrosiers, S Sholom

The OSL dosimetry technique with teeth has been validated against the EPR dosimetry technique through a measurement comparison performed on the same teeth. The

Zero-field spin-transfer oscillators combining in-plane and out-of-plane magnetized layers

March 20, 2014

Author(s)

William H. Rippard, Stephen E. Russek, Matthew R. Pufall

Excited magnetization dynamics in a spin-valve device consisting of an in-plane polarizer and an out-of-plane free layer were studied numerically. In the case

Dual-polarization-sensitive kinetic inductance detectors for balloon-borne, sub-millimeter polarimetry

March 20, 2014

Author(s)

James A. Beall, Dan Becker, Justus Brevik, Hsiao-Mei Cho, Gene C. Hilton, Kent D. Irwin, Dale Li, David P. Pappas, Jeffrey L. Van Lanen, Johannes Hubmayr

We are developing arrays of kinetic inductance detectors for sub-millimeter polarimetry that will be deployed on the BLAST balloon-borne instrument. The array

Bootstrap Variability Studies in ROC Analysis on Large Datasets

March 19, 2014

Author(s)

Jin Chu Wu, Alvin F. Martin, Raghu N. Kacker

The nonparametric two-sample bootstrap is employed to compute uncertainties of measures in receiver operating characteristic (ROC) analysis on large datasets in

Comparison of independently calculated ab-initio normal-mode displacements for the three C-H stretching vibrations of methanol along the internal rotation path

March 19, 2014

Author(s)

Li-Hong Xu, Ronald M. Lees, Jon T. Hougen, Joel M. Bowman, Xinchuan Huang, Stuart Carter

Comparison of graphical displays of normal-mode coefficients from recent quantum chemical projected-frequency calculations with analogous displays constructed

Phase Equilibria and Crystal Chemistry of the CaO-¿Nd2O3-CoOz System at 885 °C in Air

March 18, 2014

Author(s)

Winnie K. Wong-Ng, William Laws, Kevin R. Talley, Qingzhen Huang, Jun Yan, Joshua B. Martin, James A. Kaduk

The phase diagram of the CaO-¿Nd2O3-CoOz system at 885 °C in air has been determined. The system consists of two calcium cobaltate compounds that have promising

Effect of High-(KAPPA) Dielectric Passivation on Electrical Transport and Low-Frequency Noise in Single-Layer MoS_(2) Devices

March 18, 2014

Author(s)

Deepak K. Sharma, Matin Amani, Abhishek Motayed, Pankaj B. Shah, A. Glen Birdwell , Sina Najmaei, Pulickel M. Ajayan, Jun Lou, Madan Dubey, Qiliang Li, Albert Davydov

We have studied temperature-dependent (300K to 77K) electrical characteristics and low-frequency noise (LFN) in chemical vapor deposited (CVD) single layer

Application of Falling-Needle Rheometry to Highly Concentrated DNA Solutions.

March 18, 2014

Author(s)

Jessica L. Burger, Hideki Yamamoto, Takamasa Suzuki, Arno D. Laesecke

High concentration DNA solutions are common both in vitro and in vivo, and understanding the rheological properties is a critical area of bioscience. Our

Performance of Coriolis Meters in Transient Gas Flows

March 17, 2014

Author(s)

Jodie G. Pope, John D. Wright

NIST evaluated the instantaneous and totalized flow measured by two commercial coriolis meters under transient flow, pressure, and temperature conditions using

Highly reproducible and reliable metal/graphene contact by UV-Ozone treatment

March 17, 2014

Author(s)

Wei Li, Christina A. Hacker, Guangjun Cheng, Angela R. Hight Walker, Curt A. Richter, David J. Gundlach, Yiran Liang, boyuan Tian, Xuelei Liang, Lianmao Peng

Resist residue from the device fabrication process is a significant source of contamination at the metal/graphene contact interface. Ultraviolet Ozone (UVO)

A nonlinear model for gusset plate connections

March 15, 2014

Author(s)

Dat Duthinh, Chiara Crosti

The investigation of the 2007 collapse of the I-35 W Bridge in Minnesota, United States, used very detailed nonlinear finite-element (FE) analysis, which is too

High Pressure Release and Dispersion of Hydrogen in a Partially Enclosed Compartment : Effect of Natural and Forced Ventilation

March 14, 2014

Author(s)

Kuldeep R. Prasad

The study of compressed hydrogen releases from high-pressure storage systems has practical application for hydrogen and fuel cell technologies. Such releases

A Call for Artificial Intelligence Tools to Support Manufacturing Innovation

March 14, 2014

Author(s)

Vijay Srinivasan

We are in the midst of a renewed interest in manufacturing. Developed economies in the West are increasingly concerned about the decline in manufacturing in

Operation of an optically coherent frequency comb outside the metrology lab

March 13, 2014

Author(s)

Laura C. Sinclair, Ian R. Coddington, William C. Swann, Archita Hati, Kana Iwakuni, Nathan R. Newbury

Frequency combs can support cutting-edge measurements in areas that include optical clocks and oscillators, high-accuracy frequency and time transfer, precision

Highly Stable Positively Charged Dendron-Encapsulated Gold Nanoparticles

March 13, 2014

Author(s)

Tae Joon Cho, Robert I. MacCuspie, Julien C. Gigault, Justin M. Gorham, John T. Elliott, Vincent A. Hackley

We report the development of a novel cationic dendron (TAG1-PCD) and a positively charged gold nanoparticle-dendron conjugate (PCD-AuNP). TAG1-PCD was designed

Deswelling of Ultrathin Molecular Layer-by-Layer Polyamide Water Desalination Membranes

March 13, 2014

Author(s)

Edwin P. Chan

The selective layer of pressure-induced water desalination membranes is an ultrathin and highly crosslinked aromatic polyamide (PA) film that separates salt

Characterization of the Effects of Cetane Number Improvers on Diesel Fuel Volatility by Use of the Advanced Distillation Curve Method

March 13, 2014

Author(s)

Jessica L. Burger, Raina V. Gough, Tara Lovestead, Thomas J. Bruno

Cetane number (CN) is a measure of the ignition quality of a fuel for compression ignition engines according to the self-ignition delay and serves a function

Optical amplification and pulse interleaving for low noise photonics microwave generation

March 12, 2014

Author(s)

Franklyn J. Quinlan, Frederick N. Baynes, Tara M. Fortier, Qiugui Zhou, Allen Cross, Joe Campbelll, Scott A. Diddams

We investigate the impact of pulse interleaving and optical amplification on the spectral purity of microwave signals generated by photodetecting the pulsed

Frequency, amplitude, and phase measurement in contact resonance atomic force microscopies

March 12, 2014

Author(s)

Gheorghe Stan, Santiago D. Solares Rivera

We analysed the resonance frequency, amplitude, and phase response of the first two eigenmodes of two contact-resonance atomic force microscopy (CR-AFM)

Twin Plane Re-entrant Mechanism for Catalytic Nanowire Growth

March 12, 2014

Author(s)

Andrew D. Gamalski, Peter W. Voorhees, Renu Sharma, Caterina Ducati, Stephan Hofmann

We observe a twin plane re-entrant based growth mechanism for Au catalyzed Ge nanowire growth using video-rate lattice-resolved environmental transmission

Determining the solution conformational entropy of oligosaccharides by size-exclusion chromatography with on-line viscometry detection

March 12, 2014

Author(s)

Mallory J. Morris, Andre Striegel

Introduced here is a method for determining the solution conformational entropy of oligosaccharides (-S) that relies on the on-line coupling of size-exclusion

The Art in Science of microTAS: the 2013 edition!

March 11, 2014

Author(s)

Darwin R. Reyes-Hernandez, Albert Folch, Harp Minhas, Michael Gaitan

Was this page helpful?