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Journals

Exploring Digital PCR as a primary method for the quantification of human genomic DNA: Ogive plots and models

October 5, 2015

Author(s)

David L. Duewer, Margaret C. Kline, Erica Romsos

Polymerase chain reaction (PCR) end-point limiting dilution techniques, collectively termed "digital PCR (dPCR)", have been proposed as providing a potentially...

Quasielastic Neutron Scattering Study of Tetrahydroborate Anion Dynamical Perturbations in Sodium Borohydride due to Partial Halide Anion Substitution

October 5, 2015

Author(s)

Kristina Verdal, Terrence J. Udovic, John J. Rush, Alexander V. Skripov

Equimolar NaBh 4-NaX (X=cl and l) solid solutions were synthesized to study, via quasielastic neutron scattering, the effect of partial halide anion...

Equilibrium and stability of axisymmetric drops on a conical substrate under gravity

October 4, 2015

Author(s)

Asha K. Nurse, Sean A. Colbert-Kelly, Sam R. Coriell, Geoffrey B. McFadden

Motivated by recent investigations of toroidal tissue clusters that are observed to climb conical obstacles after self-assembly, we study a related problem of...

Microwave Rotational Spectral Study of SO2-CO

October 2, 2015

Author(s)

Francis J. Lovas, Matthew K. Sprague

The microwave spectrum of the molecular complex of sulfur dioxide (SO2) with carbon monoxide (CO) has been studied with a pulsed-beam Fourier Transform...

New Insights into Sequential Infiltration Synthesis

October 2, 2015

Author(s)

James Alexander Liddle, Jeffrey Elam, Mahua Biswas, Seth B. Darling, Angel Yanguas-Gil, Jonathan Emery, Alex Martinson, Paul Nealey, Tamar Segal-Peretz, Qing Peng, Jonathan P. Winterstein, Y. C. Tseng

Sequential infiltration synthesis (SIS) is a process derived from ALD in which a polymer is infused with inorganic material using sequential, self-limiting...

CCQM Pilot Study P-140; Quantitative Surface Analysis of Multi-Element Alloy Films

October 1, 2015

Author(s)

David S. Simons, Christopher W. Szakal, William A. Osborn, Kyung Joong Kim

A pilot study for the quantitative surface analysis of multi-element alloy films has been performed by the Surface Analysis Working Group (SAWG) of the...

Quantitative contact resonance force microscopy for viscoelastic measurement of soft materials in liquid

October 1, 2015

Author(s)

Allison B. Churnside, Ryan C. Tung, Jason P. Killgore

Viscoelastic property measurements made in liquid are key to characterizing materials for a variety of biological and industrial applications, but obtaining...

Evaluating the Performance of DABO and HVAC-Cx Commissioning Tools using the Virtual Cybernetic Building Testbed

October 1, 2015

Author(s)

Natascha S. Milesi-Ferretti, Michael A. Galler, Steven T. Bushby, Daniel Choiniere

Automated commissioning tools are designed to facilitate the commissioning process, decreasing the amount of time and the skill level required to carry out...

Fiber Bragg Grating Based Thermometry

October 1, 2015

Author(s)

Zeeshan Ahmed, Bernard J. Filla, William F. Guthrie, John S. Quintavalle

In recent years there has been considerable interest in developing photonic temperature sensors such as the Fiber Bragg gratings (FBG) as an alternative to...

Histone post-translational modifications in frontal cortex from human donors with Alzheimers disease

October 1, 2015

Author(s)

Kyle W. Anderson, Illarion V. Turko

Research highlights: Probing adsorbed organic coatings on nanoparticle surfaces

October 1, 2015

Author(s)

Stacey M. Louie, John M. Pettibone

Organic coatings adsorbed at a nanoparticle surface, together with the system properties, change the physicochemical properties of the nanoparticle, thereby...

Timekeeping in the Americas

October 1, 2015

Author(s)

Michael A. Lombardi, Jose M. Lopez

Time and its measurement belong to the most fundamental core of physics, and many scientific and technological advances are directly or indirectly related to...

Broadly tunable, low timing jitter, high repetition rate optoelectronic comb generator

October 1, 2015

Author(s)

Franklyn J. Quinlan, A. J. Metcalf, Tara M. Fortier, Scott A. Diddams, Andrew M. Weiner

We investigate the low timing jitter properties of a tunable single-pass optoelectronic frequency comb generator. The scheme is flexible in that both the...

Low noise kinetic inductance traveling-wave amplifier using three-wave mixing

October 1, 2015

Author(s)

Michael R. Vissers, Robert P. Erickson, Leila R. Vale, Xian Wu, Gene C. Hilton, David P. Pappas

We have fabricated a wide-bandwidth, high dynamic range, low noise cryogenic amplifier based on a superconducting kinetic inductance traveling-wave device. The...

Self-powered p-NiO/n-ZnO heterojunction ultraviolet photodetectors fabricated on plastic substrates

October 1, 2015

Author(s)

Ratan K. Debnath, MD R. Hasan, Ting Xie, Sara C. Barron, Guannan Liu, Nhan V. Nguyen, Abhishek Motayed, M V. Rao

A self-powered ultraviolet (UV) photodetector (PD) based on p-NiO and n-ZnO was fabricated using low-temperature sputtering technique on indium doped tin oxide...

Peer-to-Peer Urban Channel Characteristics for Two Public-Safety Frequency Bands

October 1, 2015

Author(s)

Catherine A. Remley, David W. Matolak, Camillo A. Gentile, Christopher L. Holloway, Qiong Wu, Qian Zhang

We report on ground-based wireless channel characteristics for an urban environment in two public safety bands. Results are based upon measurements taken in...

Electrodeposition of gold to conformally fill high-aspect-ratio nanometric silicon grating trenches: a comparison of pulsed and direct current protocols

October 1, 2015

Author(s)

sami Znati, N Chedid, Houxun Miao, Lei Chen, Han Wen, Eric E. Bennett

Filling high-aspect-ratio trenches with gold is a frequent requirement in the fabrication of X-ray optics as well as micro-electronic components and other...

Spreading alerts quietly and the subgroup escape problem

October 1, 2015

Author(s)

J. Aspnes, Z. Diamadi, A. Yampolskiy, K. Gjosteen, Rene Peralta

We introduce a new cryptographic primitive called a blind coupon mechanism (BCM). In effect, a BCM is an authenticated bit commitment scheme, which is AND...

The Influence of Calcium Chloride Deicing Salt on Phase Changes and Damage Development in Cementitious Materials

October 1, 2015

Author(s)

Yaghoob Farnam, Sarah Dick, Andrew Wiese, Jeffrey M. Davis, Dale P. Bentz, Jason Weiss

The conventional CaCl2-H2O phase diagram is often used to describe how a calcium chloride behaves when it is used on a concrete pavement undergoing freezing and...

Report on Bilateral Key Comparison SIM.T-K6.1 on Humidity Standards in the Dew/Frost-point Temperature Range from –25 °C TO 20 °C

September 30, 2015

Author(s)

Christopher W. Meyer, Ken Hill

A Regional Metrology Organization (RMO) Key Comparison of dew/frost point temperatures was carried out by the National Institute of Standards and Technology...

Thermodynamic Properties of 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone: Vapor Pressure, (p, ¿, T) Behavior, and Speed of Sound Measurements, and Equation of State

September 30, 2015

Author(s)

Mark O. McLinden, Richard A. Perkins, Eric W. Lemmon, Tara J. Fortin

We report comprehensive thermodynamic property measurements of 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone. The pρT behavior was measured...

Mid-infrared spectroscopy beyond the diffraction limit via direct measurement of photothermal effect

September 30, 2015

Author(s)

Aaron M. Katzenmeyer, Glenn E. Holland, Jungseok Chae, Alan H. Band, Kevin Kjoller, Andrea Centrone

An atomic force microscope equipped with temperature sensitive probes was used to measure locally the photothermal effect induced by IR light absorption. This...

The Predictive Power of the Annellation Theory: The Case of the C26H16 Cata-Condensed Benzenoid Polycyclic Aromatic Hydrocarbons

September 30, 2015

Author(s)

Jorge O. Ona Ruales, Ruiz-Morales Yosadara

The Annellation Theory was applied for the establishment of the locations of maximum absorbance for the p and β bands in the UV-Vis spectra of 8 benzenoid cata...

X-ray Powder Reference Patterns for Magnetoplumbite-like Compounds, (BaxSr1-x)Ti6Co6O19 (x=0.2, 0.4, 0.6, 0.8)

September 30, 2015

Author(s)

Winnie K. Wong-Ng, Guangyao Liu, James A. Kaduk

X-ray reference powder patterns and crystal structures have been determined for a series of titanium- and cobalt-containing layered alkaline-earth compounds...

Full elastic strain and stress tensor measurements from individual dislocation cells in copper through-Si vias

September 30, 2015

Author(s)

Lyle E. Levine, Chukwudi A. Okoro, Ruqing Xu

We report non-destructive measurements of the full elastic strain and stress tensors from individual dislocation cells distributed along the full extent of a 50...

Improving acoustic determinations of the Boltzmann constant with mass spectrometer measurements of the molar mass of argon

September 30, 2015

Author(s)

Inseok Yang, Laurent Pitre, Michael R. Moldover, Jintao Zhang, XiaoJuan Feng, Jin Seog Kim

We determined accurate values of ratios among the average molar masses MAr of 9 argon samples using two completely-independent techniques: (1) mass spectroscopy...

Standardizing 25-Hydroxyvitamin D values from the Canadian Health Measures Survey

September 30, 2015

Author(s)

Kurtis Sarafin, Ramon Durazo-Arvizu, Lu Tian, Karen W. Phinney, Susan Tai, Johanna Camara, Hubert W. Vesper, Joyce M. Merkel, Evan Green, Christopher T. Sempos, Stephen P. Brooks

Background: The Canadian Health Measures survey (CHMS) is an ongoing cross sectional national survey that includes a measure of 25-hydroxyvitamin D (25(OH)D) by...

240 Hz linewidth Brillouin laser from a microrod whispering gallery mode resonator

September 29, 2015

Author(s)

William Loh, Aurelien C. Coillet, Frederick N. Baynes, Scott B. Papp, Scott A. Diddams, Joe Becker

We demonstrate an ultra-low noise laser that oscillates based on the stimulated Brillouin scattering nonlinearity in an optical microresonator. Our Brillouin...

Surface conductance and microwave scattering in semicontinous gold films

September 28, 2015

Author(s)

Jan Obrzut

Semicontinous gold films 4 nm to 12 nm thick were characterized using patterned coplanar waveguides over a frequency range of 100 MHz to 20 GHz. Such films can...

Topological Magnon Bands in Kagome Lattice Ferromagnet

September 28, 2015

Author(s)

Robin Michael Daub Chisnell, Joel Helton, D. E. Freedman, D. K. Singh, R. I. Bewley, D. G. Nocera, Y. S. Lee

The success of band theory in describing the motion of quantum particles inside solids is a foundational accomplishment in modern physics. Recent excitement has...

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