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Journals

Percolation phase diagrams for multi-phase models built on the overlapping sphere model

September 16, 2015

Author(s)

Edward J. Garboczi

The overlapping sphere (OS) model gives a two-phase microstructure (matrix plus inclusions) that is useful for testing out composite material ideas and other...

Stress in Aluminum Induced by Hydrogen Absorption during Cathodic Polarization

September 16, 2015

Author(s)

Gery R. Stafford, Jae W. Shin, Kurt Hebert

The hydrogen concentration in metals during aqueous corrosion is influenced by the kinetics of hydrogen absorption. Measurements of absorption kinetics are...

Self-terminated Electrodeposition of Iridium Electrocatalysts

September 16, 2015

Author(s)

Thomas P. Moffat

A simple electrochemical process for submonolayer deposition of ultrathin catalytic iridum (Ir) films is demonstrated. The process enables effective utilization...

Finite-temperature Scaling of Spin Correlations in a Partially Magnetized Heisenberg S = 1/2 Chain

September 16, 2015

Author(s)

M. Halg, D. Huvonen, Nicholas Butch, F. Demmel, A. Zheludev

Inelastic neutron scattering scattering is employed to study transverse spin correlations of a Heisenberg S = 1/2 chain compound in a magnetic field of 7.5 T...

Establishing Traceability to NIST SRM 2391c: PCR-Based DNA Profiling Standard

September 16, 2015

Author(s)

Carolyn R. Steffen, Margaret C. Kline, David L. Duewer, Peter Vallone

The NIST Standard Reference Material (SRM) 2391c: PCR-Based DNA Profiling Standard was updated in April 2015 to contain new information relevant to the forensic...

Development of a Chemically Relevant Artificial Fingerprint Material

September 16, 2015

Author(s)

Edward Sisco, Jessica L. Staymates, Katherine Schilling, John Gillen

The development of a chemically relevant artificial fingerprint material as well as a preliminary method for fingerprint deposition is discussed herein. More...

Certification of Standard Reference Material 1976b

September 15, 2015

Author(s)

David R. Black, Donald A. Windover, Marcus H. Mendenhall, Albert Henins, James J. Filliben, James P. Cline

The National Institute of Standards and Technology (NIST) certifies a suite of Standard Reference Materials (SRMs) to address specific aspects of the...

THE COMPELLING CASE FOR INDENTATION AS A FUNCTIONAL EXPLORATORY AND CHARACTERIZATION TOOL

September 15, 2015

Author(s)

Robert F. Cook, David B. Marshall, Nitin P. Padture, Michelle L. Oyen, Antonia Pajares, Jodie E. Bradby, Ivar E. Reimanis, Rajan Tandon, Trevor F. Page, George M. Pharr, Brian R. Lawn

The utility of indentation testing for characterizing a wide range of mechanical properties of brittle materials is highlighted in light of recent articles...

Extreme expression of DNA repair protein apurinic/apyrimi-dinic endonuclease I (APE1) in human breast cancer as measured by liquid-chromatography isotope-dilution tandem mass spectrometry

September 15, 2015

Author(s)

Erdem Coskun, Pawel Jaruga, Prasad T. Reddy, Miral M. Dizdar

Apurinic/apyrimidinic endonuclease 1 (APE1) is a DNA re-pair protein and plays other important roles. Increased lev-els of APE1 in cancer have been reported...

VIIRS/J1 Polarization Narrative

September 15, 2015

Author(s)

Keith R. Lykke, Steven W. Brown, Eugene Waluschka, Joel McCorkel, Jeff McIntire, David Moyer, Brendan McAndrew, James B. Young, Eric Fest, James Butler, Tung R. Wang, Eslim O. Monroy, Kevin Turpie, Gerhard Meister, Kurtis J. Thome

The VIS/NIR bands polarization sensitivity of Joint Polar Satellite Sensor 1 (JPSS1) Visible/Infrared Imaging Radiometer Suite (VIIRS) instrument was measured...

Spin Jam Induced by Quantum Fluctuations in a Frustrated Magnet

September 15, 2015

Author(s)

Junjie Yang, Anjana Samarakoon, Sachith Dissanayake, Hiroaki Ueda, Israel Klich, Daniel M Pajerowski, Nicholas Butch, Qingzhen Huang, John R. Copley, Seung-Hun Lee

Since the discovery of spin glasses in dilute magnetic systems, their study has been largely focused on understanding randomness and defects as the driving...

Efficient Quantum State Transfer in an Engineered Chain of Quantum Bits

September 15, 2015

Author(s)

Emanuel Knill, Michael Vissers, David P. Pappas, Martin Sandberg

Here we present a method of performing quantum state transfer in a chain of superconducting quantum bits. Our protocol is based on the engineerability of the...

Dynamic equilibrium between closed and partially closed states of the bacterial Enzyme I unveiled by solution NMR and X-ray scattering

September 14, 2015

Author(s)

Alexander Grishaev, Vicenzo Venditti, Charles Schwieters, G. Marius Clore

Enzyme I (EI) is the first component in the bacterial phosphotransferase system, a signal transduction pathway in which phosphoryl transfer through a series of...

Hydration of Conduction Pores in KcsA Potassium Channel and M2 Proton Channel

September 14, 2015

Author(s)

J L. Blasic, David L. Worcester, Klaus Gawrisch, Philip A. Gurnev, Mihaela Mihailescu

Water-filled hydrophobic cavities of channel proteins serve as gateways for transfer of ions across membrane. However, functional implications of hydration...

The Osmotic Virial Repersentation of the Free Energy of Polymer Mixing

September 14, 2015

Author(s)

Jack F. Douglas, August W. Bosse

In this Letter we derive a new representation of the free energy of polymer mixing. We begin with a Flory-Huggins-like free energy of mixing, and assume that...

Orthogonal Analysis of Functional Gold Nanoparticles for Biomedical Applications

September 11, 2015

Author(s)

De-Hao D. Tsai, Yi-Fu Lu, Frank W. DelRio, Tae Joon Cho, Suvajyoti S. Guha, Michael R. Zachariah, Fan Zhang, Andrew J. Allen, Vincent A. Hackley

We report a comprehensive strategy based on implementation of orthogonal measurement techniques to provide critical and verifiable material characteristics for...

Dynamic Crossover in Deeply Cooled Water Confined in MCM-41 at 4 Kbar and its Relation to the Liquid-Liquid Transition Hypothesis

September 11, 2015

Author(s)

Zhe Wang, Peisi Le, Kanae Ito, Juscelino Leao, Madhu Sudan Tyagi, Sow-Hsin Chen

With quasi-elastic neutron scattering (QENS), we study the single-particle dynamics of the water confined in a hydrophilic silica material, MCM-41, at 4 kbar. A...

A method to determine the number of nanoparticles in a cluster using conventional optical microscopes

September 10, 2015

Author(s)

Hyeong G. Kang, Ravikiran Attota, Premsagar P. Kavuri, Vipin Tondare, Andras Vladar

Rapid DNA Maturity Assessment

September 10, 2015

Author(s)

Erica L. Romsos, Sanae Lembirick, Peter Vallone

Two fully integrated rapid DNA platforms were tested as a part of a rapid DNA maturity assessment in the fall of 2014. The assessment was conducted with sets of...

Bilayer fractional quantum Hall states with dipoles

September 10, 2015

Author(s)

Norman Y. Yao, Steven Bennett, Christopher Laumann, Mikhail D. Lukin, Benjamin Lev, Alexey Gorshkov

Direct Immersion Annealing of Thin Block Copolymer Films

September 9, 2015

Author(s)

Jack F. Douglas, Alamgir Karim, Arvind Arvind Modi1, Sarang Bhaway, Bryan D. Vogt, Abdullah Al-Enizi, Ahmed Elzatahry, Ashutosh Sharma

We demonstrate that direct immersion annealing (DIA) greatly enhances the rate at which block copolymer (BCP) films order into stable morphologies when the BCP...

Dictionary-based Face and Person Recognition from Unconstrained Video

September 9, 2015

Author(s)

P J. Phillips, Yi-Chen Chen, Vishal M. Patel, Rama Chellappa

The main challenge in recognizing people in uncon- strained video is exploiting the identity information in multiple frames and the accompanying dynamic...

CORRELATIONS AMONG ACOUSTIC MEASUREMENTS OF THE BOLTZMANN CONSTANT

September 9, 2015

Author(s)

Michael R. Moldover, Roberto M. Gavioso, David B. Newell

We review correlated uncertainties among the accurate determinations of the Boltzmann constant kB that used the techniques of primary acoustic gas thermometry...

Analogues of Vélu's formulas for Isogenies on Alternate Models of Elliptic Curves

September 9, 2015

Author(s)

Dustin Moody, Daniel Shumow

Isogenies are the morphisms between elliptic curves, and are accordingly a topic of interest in the subject. As such, they have been well-studied, and have been...

Optomechanical Raman-Ratio Thermometry

September 9, 2015

Author(s)

Katarina Cicak, Thomas P. Purdy, Pen Li Yu, Nir Kampel, Bob Peterson, Raymond Simmonds, Cindy Regal

The temperature dependence of the asymmetry between Stokes and anti-Stokes Raman scattering can be exploited for self-calibrating, optically-based thermometry...

Prospects for atomic clocks based on large ion crystals.

September 8, 2015

Author(s)

John J. Bollinger, Kyle Arnold, Elnur Haciyev, Chern Hui Lee, Eduardo Paez, M. D. Barrett

We investigate the feasibility of precision frequency metrology with large ion crystals. For clock candidates with a negative differential static polarisability...

A detailed comparison of two continuous GPS carrier-phase time transfer techniques

September 8, 2015

Author(s)

Jian Yao, Judah Levine, Skakun Ivan, Zhiheng Jiang

The wide application of GPS carrier-phase (CP) time transfer is limited by the problem of boundary discontinuity (BD). The discontinuity has two categories. One...

Parametric force analysis for measurement of arbitrary optical forces on particles trapped in air or vacuum

September 8, 2015

Author(s)

Haesung Park, Thomas W. LeBrun

We demonstrate a new method to measure general optical forces on particles trapped in gaseous or vacuum environments during the ring down of a trapped particle...

Optomechanical reference accelerometer

September 8, 2015

Author(s)

Oliver Gerberding, Felipe Guzman, John T. Melcher, Jon R. Pratt, Jacob Taylor

We present an opto-mechanical accelerometer device with high dynamic range, high bandwidth and readout noise levels exceeding 10 μg/√Hz . The straightforward...

Metrological approaches to organic chemical purity: primary reference materials for vitamin D metabolites

September 7, 2015

Author(s)

Michael A. Nelson, Mary Bedner, Brian E. Lang, Blaza Toman, Katrice A. Lippa

Given the critical role of pure, organic compound primary reference standards used to characterize and certify chemical Certified Reference Materials (CRMs), it...

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