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Journals

To Predict Vibrational Spectra, Are Anharmonic Calculations Worthwhile?

January 22, 2013

Author(s)

Ruth L. Jacobsen, Karl K. Irikura, Russell D. Johnson III, Raghu N. Kacker

Anharmonic calculations using vibrational perturbation theory are known to provide near-spectroscopic accuracy when combined with high-level ab initio potential...

Evaluation of C60 Secondary Ion Mass Spectrometry for the Chemical Analysis and Imaging of Fingerprints

January 22, 2013

Author(s)

Edward R. Sisco, Leonard Demovanville, John G. Gillen

The feasibility of using C60 Cluster Primary Ion Bombardment Secondary Ion Mass Spectrometry (C60 SIMS) for the analysis of the chemical composition of...

Real-Time Size Discrimination and Elemental Analysis of Gold Nanoparticles using ES-DMA coupled to ICP-MS

January 22, 2013

Author(s)

Sherrie R. Elzey, De-Hao D. Tsai, Lee L. Yu, Michael R. Winchester, Michael E. Kelley, Vincent A. Hackley

We report the development of a hyphenated instrument with the capacity to quantitatively characterize aqueous suspended gold nanoparticles (AuNPs) based on a...

Demographic expansions in South America: enlightening a complex scenario with genetic and linguistic data

January 22, 2013

Author(s)

Michael D. Coble, V Ramallo, R Biso-Machado, C Bravi, F M Salzano, T Hunemeier, MC Bortolini

Native Americans are characterized by specific and unique patterns of genetic and cultural/linguistic diversities, and this information has been used to...

Physical properties of Al doped Ba hexagonal ferrite thin films

January 22, 2013

Author(s)

Harward Ian, Yan Nie, Daming Chen, Josh Baptist, Justin Shaw, Eva J. Liskova, Stefan Visnovsky, Petr Siroky, Michal Lesnak, Jaromir Pistora, Zbigniew Celinski

We developed the thin film microwave magnetic material, M-type barium hexagonal ferrite (BaM) doped with Al, for signal processing devices operating above 40...

Quadrature interferometry for nonequilibrium ultracold atoms in optical lattices

January 22, 2013

Author(s)

Philip Johnson, Eite Tiesinga

We develop an interferometric technique for measuring quadrature operators of nonequilibrium states of ultracold atoms in optical lattices. The technique...

Quantum Dot Fluorescence Lifetime Engineering with DNA Origami Constructs

January 21, 2013

Author(s)

James A. Liddle, Seung-Hyeon Ko, Kan Du

The ability to organize nanostructures of disparate types and materials such as metal nanoparticles and semiconductor quantum dots is challenging but...

Facile Fabrication of "Dual Click" One- and Two-Dimensional Orthogonal Peptide Concentration Gradients

January 21, 2013

Author(s)

Yanrui Ma, Jukuan Zheng, Emily F. Amond, Christopher Stafford, Matthew L. Becker

Peptides, proteins and extracellular matrix act in concert to influence cellular function at the biotic-synthetic interface. However identifying the individual...

Computational thermodynamics: Recent developments and future potential and prospects

January 21, 2013

Author(s)

Suzana G. Fries, Tilmann Hickel, Ursula R. Kattner

All of the obtained insights and findings,including a variety of further interesting ideas, have been documented in the five publications printed hereafter...

Does 47 Days of Decay Change Persistent Organic Pollutants in Loggerhead Sea Turtle Eggs?

January 18, 2013

Author(s)

Jennifer M. Lynch

Reptile and bird eggs are priority samples for specimen banking programs that assess spatial and temporal trends of environmental contaminants. From endangered...

Advanced Distillation Curve Analysis of Marine Diesel Fuel

January 17, 2013

Author(s)

Peter Y. Hsieh, Kathryn R. Abel, Thomas J. Bruno

Ocean-going ships burn heavy fuel oil. The combustion of heavy fuel oil in marine diesel engines emits nitrogen oxides, sulfur oxides, and particulates into the...

ELUCIDATING THE SURFACE COMPOSITION OF MECHANICALLY MODULATED COLLAGEN FIBRIL FILMS WITH TOF-SIMS

January 17, 2013

Author(s)

Christopher R. Anderton, Kiran Bhadriraju, Frank W. DelRio, Anne L. Plant

The extracellular matrix (ECM) environment plays a critical role in organism development and disease. Consequently, developing complementary analytical...

Thermal Equilibration of Samples for Neutron Scattering

January 17, 2013

Author(s)

Tobias K Herman, Julia Scherschligt, Sarah Cunegunda Parks

Temperature relaxation and equilibration of samples for neutron scattering was investigated in a selection of samples and sample cells within the range of 5...

Gallium Nitride Nanowires for On-Chip Optical Interconnects on Ex-Situ Substrates

January 16, 2013

Author(s)

Matthew D. Brubaker, Paul T. Blanchard, John B. Schlager, Aric W. Sanders, Alexana Roshko, Shannon M. Duff, Jason Gray, Victor M. Bright, Norman A. Sanford, Kristine A. Bertness

In this letter we report on the fabrication, device characteristics, and optical coupling of a two-nanowire device comprising light-emitting diode and...

Carbon nanotube-based electrical-substitution cryogenic radiometer: initial results

January 15, 2013

Author(s)

Nathan A. Tomlin, John H. Lehman

A carbon nanotube cryogenic radiometer (CNCR) has been fabricated for electrical-substitution optical power measurements. The CNCR employs vertically-aligned...

Segmenting Time-lapse Phase Contrast Images of Adjacent NIH 3T3 Cells

January 15, 2013

Author(s)

Joe Chalfoun, Alden A. Dima, Marcin Kociolek, Michael W. Halter, Antonio Cardone, Adele P. Peskin, Peter Bajcsy, Mary C. Brady

We present a new method for segmenting phase contrast images of NIH 3T3 fibroblast cells that is accurate even when cells are in contact. The problem of...

Submicrometer-Resolution Polychromatic 3D X-Ray Microscopy

January 15, 2013

Author(s)

B C. Larson, Lyle E. Levine

The ability to study the structure, microstructure, and evolution of materials with increasing spatial resolution is fundamental to achieving a full...

Selective Streptavidin Bioconjugation on Si and SiC nanowires for Biosensor Applications.

January 14, 2013

Author(s)

Elissa H. Williams, John A. Schreifels, Mulpuri V. Rao, Albert Davydov, Vladimir P. Oleshko, Nancy J. Lin, Kristen L. Steffens, Sergiy Krylyuk, Kristine A. Bertness, Amy Manocchi, Yaroslav Koshka

A functionalization method for the specific and selective immobilization of the streptavidin (SA) protein on semiconductor nanowires (NWs) was developed...

Assessing the Effect of Mode-Stirring Method on Uncertainty in Reverberation-Chamber Measurements

January 14, 2013

Author(s)

Catherine A. Remley, Ryan J. Pirkl, Chih-Ming Wang, Haider Shah

We develop methods for assessing the standard uncertainty arising from various combinations of mode-stirring methods used in reverberation-chamber measurements...

Measuring Topology in a Laser-Coupled Honeycomb Lattice: From Chern Insulators to Topological Semi-Metals

January 14, 2013

Author(s)

Ian B. Spielman, Nathan Goldman, Egidijus Anisimovas, Fabrice Gerbier, Patrick Ohberg, Gediminas Juzeliunas

Ultracold fermions trapped in a honeycomb optical lattice constitute a versatile setup to experimentally realize the Haldane model. In this system, a non...

Absolute spectroscopy of N2O near 4.5 um with a comb-calibrated, frequency-swept quantum cascade laser spectrometer

January 14, 2013

Author(s)

Kevin O. Knabe, Paul A. Williams, Fabrizio R. Giorgetta, Michael Radunsky, Chris Armacost, Sam Crivello, Nathan R. Newbury

We present absolute line center frequencies for 24 fundamental nu-3 ro-vibrational P-branch transitions near 4.5 um in N2O with an absolute frequency...

An imaging spectrometer based on high resolution microscopy of fluorescent aluminum oxide

January 14, 2013

Author(s)

James A. Bartz, Cynthia J. Zeissler, V. V. Fomenko, Mark S. Akselrod

Fluorescent Nuclear Track Detector (FNTD) technology was tested as an imaging and spectroscopic tool for radionuclide analysis. This investigation intended to...

Protective performance of environmentally stressed fabrics containing melamine fiber blends

January 12, 2013

Author(s)

Shonali Nazare, Shaun M. Flynn, Rick D. Davis, Joannie W. Chin

In this study, environmentally stressed OS fabrics containing melamine fiber blends were evaluated for thermal and mechanical properties that are critical to...

Reconstruction of the Thermal Environment in the Tall World Trade Center Buildings

January 11, 2013

Author(s)

Richard G. Gann, Anthony P. Hamins, Kevin B. McGrattan, Thomas J. Ohlemiller, Kuldeep R. Prasad, William M. Pitts, Harold E. Nelson

The National Institute of Standards and Technology (NIST) conducted an extensive investigation of the collapse of the three tall World Trade Center (WTC)...

Changes in Federal Information Processing Standard (FIPS) 180-4, Secure Hash Standard

January 11, 2013

Author(s)

Quynh H. Dang

This paper describes the changes between FIPS 180-3 and FIPS 180-4. FIPS 180-4 specifies two new secure cryptographic hash algorithms: SHA-512/224 and SHA-512...

Manipulation of graphenes dynamic ripples by local harmonic out-of-plane excitation

January 11, 2013

Author(s)

Alexander Y. Smolyanitsky, Vinod K. Tewary

With use of carefully designed molecular dynamics simulations, we demonstrate tuning of dynamic ripples in free-standing graphene by applying a local out-of...

Putting a spin on LA-ICPMS analysis combined with isotope dilution

January 11, 2013

Author(s)

John L. Molloy, Stephen E. Long, Fanny Claverie, Julian Malherbe, Naomi Bier

The determination of Zn, Sr, Ba and Pb in solid samples has been achieved by Laser Ablation Inductively Coupled Plasma Isotope Dilution Mass Spectrometry (LA...

Driving Phase Slips in a Superfluid Atom Circuit with a Rotating Weak Link

January 10, 2013

Author(s)

Kevin C. Wright, William D. Phillips, Gretchen K. Campbell

We have induced well-defined phase slips between quantized persistent current states around a toroidal atomic 23Na Bose-Einstein condensate by rotating a weak...

RF and A/MS Technologies

January 10, 2013

Author(s)

Herbert S. Bennett, John J. Pekarik

Radio frequency (RF), high-frequency (HF) and analog/mixed-signal (A/MS) technologies serve the rapidly growing communications and More than Moore (MtM) markets...

Simulation and Analysis for Sustainable Product Development

January 9, 2013

Author(s)

Mahesh Mani

Purpose: Simulation plays a critical role in the design of products, materials and manufacturing processes. However, there are gaps in the simulation tools used...

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