Journals

A Pre-Evacuation Database for Use in Egress Simulations

January 11, 2019

Author(s)

Ruggiero Lovreglio, Erica D. Kuligowski, Steve Gwynne, Karen E. Boyce

Quantifying the pre-evacuation time; i.e., the time between first awareness and deliberate evacuation movement, is a key task for evacuation model users and...

Real-time liquid-phase organic reaction monitoring with a mid-infrared dual frequency comb spectrometer

January 10, 2019

Author(s)

Daniel I. Herman, Eleanor M. Waxman, Gabriel G. Ycas, Fabrizio R. Giorgetta, Nathan R. Newbury, Ian R. Coddington

We combine high-resolution mid-infrared dual-comb spectroscopy with attenuated total reflectance measurements to provide in-situ monitoring of a chemical...

A stochastic SPICE model for superconducting nanowire single photon detectors and other nanowire devices

January 10, 2019

Author(s)

Adam N. McCaughan, Sae Woo Nam, Dylan M. Oh

Superconducting nanowire devices such as the superconducting nanowire single photon detector (SNSPD) or nanocryotron (nTron) have a time-dependent stochasticity...

Learning to Predict Single-Wall Carbon Nanotube-Recognition DNA Sequences

January 10, 2019

Author(s)

Ming Zheng, Anand Jagota, Yoona Yang

Collective Mesoscale Dynamics of Liquid 1-Dodecanol Studied by Neutron Spin-Echo Spectroscopy with Isotopic Substitution and Molecular Dynamics Simulation

January 10, 2019

Author(s)

Tsuyoshi Yamaguchi, Antonio Faraone, Michihiro Nagao

The collective dynamics of liquid 1-dodecanol was investigated at a length scale matching the mesoscale structure arising from the segregation of hydrophilic...

Influence of Ligand Size and Chelation Strength on Zerovalent IronNanoparticle Adsorption and Oxidation Behavior in the Presence ofWater Vapor and Liquid Water

January 9, 2019

Author(s)

Aruni Gankanda, Nikki Rentz, Lauren F. Greenlee

The effectiveness of zerovalent iron (ZVI) nanoparticles in applicationsfrom water remediation to catalysis is intimately tied to adsorption and...

Damping and Softening of Transverse Acoustic Phonons in Colossal Magnetoresistive La_0.7Cad0.3^MnO₃ and La_0.7Sr_0.3MnO₃

January 7, 2019

Author(s)

Joel Helton, Yang Zhao, Dmitry A. Shulyatev, Jeffrey W. Lynn

Neutron spectroscopy is used to probe transverse acoustic phonons near the (2,2,0) Bragg position in colossal magnetoresistive La 0.7Ca 0.3MnO 3. Upon warming...

Basis for the Bauschinger Effect in Copper Single Crystals: Changes in the Long-Range Internal Stress with Reverse Deformation

January 7, 2019

Author(s)

Lyle E. Levine, Mark R. Stoudt, Adam A. Creuziger, Thien Q. Phan, Xu Ruqing, Kassner Mike

To investigate the long range internal stresses (LRIS) associated with the Bauschinger effect using synchrotron x-ray microbeam diffraction, two [100] oriented...

In Situ Characterization of the Microstructural Evolution of Biopharmaceutical Solid-State Formulations with Implications for Protein Stability

January 7, 2019

Author(s)

Stijn H.S. Koshari, Purnendu K. Nayak, Shalini Burra, Isidro E. Zarraga, Karthikan Rajagopal, Yun Liu, Norman J. Wagner, Abraham M. Lenhoff

Lyophilized and spray-dried biopharmaceutical formulations are used to provide long-term stability for storage and transport, but questions remain about the...

Spin Correlations of Quantum Spin Liquid and Quadrupole-Ordered States of Tb_2+xTi_2-xO_7+y

January 7, 2019

Author(s)

Hiroaki Kadowaki, Mika Wakita, Bjorn Fak, Jacques Ollivier, Seiko Ohira-Kawamura, Kenji Nakajima, Jeffrey W. Lynn

Spin correlations of the frustrated pyrochlore oxide Tb 2+xTi 2-xO 7+y have been investigated by using inelastic neutron scattering on single crystalline...

Local Elasticity in Nonlinear Rheology of Interacting Colloidal Glasses Revealed by Neutron Scattering and Rheometry

January 7, 2019

Author(s)

Zhe Wang, Takuya Iwashita, Lionel Porcar, Yangyang Wang, Yun Liu, Luis E. Sanchez-Diaz, Bin Wu, Guan-Rong Huang, Takeshi Egami

CrowdVariant: a crowdsourcing approach to curate copy number variants

January 6, 2019

Author(s)

Justin M. Zook, Marc L. Salit, Peyton Greenside, Ryan Poplin, Mark DePristo, Madeleine Cule

Copy number variants (CNVs) are an important type of genetic variation and play a causal role in many diseases. However, they are also notoriously difficult to...

Thermally stable cross-linked P84 with Superior Membrane H2/CO2 separation properties at 100 oC

January 6, 2019

Author(s)

Maryam Omidvar, Christopher Stafford, Haiqing Lin

Polymers with a strong size-sieving ability and superior H2/CO2 selectivity are of great interests for pre-combustion CO2 capture at 100 oC or above. Polyimides...

Towards a priori uncertainty quantification in coarse-grained molecular dynamics: Generalized multipole potentials

January 6, 2019

Author(s)

Andrew Dienstfrey, Geoffrey B. McFadden, Paul Patrone

Simulation study of the capacitance and charging mechanisms of ionic liquid mixtures near carbon electrodes

January 4, 2019

Author(s)

Alta Y. Fang, Alexander Y. Smolyanitsky

The performance of electric double layer capacitors is strongly influenced by the choice of electrolyte, and electrolytes comprised of ionic liquid mixtures...

Radiation-Pressure Enabled Traceable Laser Sources at High CW Powers

January 4, 2019

Author(s)

Paul A. Williams, Alexandra B. Artusio-Glimpse, Joshua A. Hadler, Daniel King, Ivan Ryger, Tam Vo, John H. Lehman, Kyle A. Rogers

Radiation pressure has recently been shown to have practical application for multi-kilowatt CW laser power measurement. One key advantage lies in its ability to...

Electrical Detection of Singlet Fission in Single Crystal Tetracene Transistors

January 4, 2019

Author(s)

Hyuk-Jae Jang, Emily Bittle, Qin Zhang, Adam Biacchi, Curt A. Richter, David J. Gundlach

Here, we present the electrical detection of singlet fission in tetracene by using a field- effect transistor (FET). Singlet fission is a photo-induced spin...

Towards quality assurance and quality control in untargeted metabolomics studies

January 3, 2019

Author(s)

Richard Beger, Warwick B. Dunn, Abbas Bandukwala, Bianca Bethan, David Broadhurst, Clary B. Clish, Surendra Dasari, Leslie Derr, Annie Evans, Steve Fischer, Thomas Flynn, Thomas Hartung, David Herrington, Richard Higashi, Ping-Ching Hsu, Christina Jones, Maureen Kachman, Helen Karuso, Gary Kruppa, Katrice Lippa, Padma Maruvada, Jonathan D. Mosley, Ionna Ntai, Clair O?Donovan, Mary Playdon, Daniel Raftery, Daniel Shaughnessy, Amanda Souza, Timothy Spaeder, Barbara Spalholz, Mukesh Verma, Tilman Walk, Ian Wilson, Daniel Bearden, Krista Zanetti

We describe here the agreed upon first development steps and priority objectives of a community engagement effort to address current challenges in quality...

Improving the Retrieval of XCO2 from Total Carbon Column Network Solar Spectra

January 3, 2019

Author(s)

Joseph Mendonca, Kimberly Strong, Debra Wunch, Geoffrey Toon, David Long, Joseph T. Hodges, Vincent T. Sironneau

High-resolution absorption spectra of the a^1 ∆_g←X^3 Σ_g^- O2 band measured using cavity ring-down spectroscopy were fitted using the Voigt and speed-dependent...

Defect Evolution of Ion-Exposed Single-Wall Carbon Nanotubes

January 3, 2019

Author(s)

Jana Kalbacova, Elias J. Garratt, Raul D. Rodriguez, Angela R. Hight Walker, Kevin A. Twedt, Jeffrey Fagan, Teresa I. Madeira, Jabez J. McClelland, Babak Nikoobakht, Dietrich R. Zahn

A systematic evaluation of defects is essential to understand and engineer device properties and applications. Raman spectroscopy is employed for the...

Possible hundredfold enhancement in the direct magnetic coupling of a single-atom electron spin to a circuit resonator

January 2, 2019

Author(s)

Bahman Sarabi, Peihao Huang, Neil M. Zimmerman

We report on the challenges and limitations of direct coupling of the magnetic eld from a circuit resonator to an electron spin bound to a donor potential. We...

Controlling femtosecond filament propagation using externally driven gas motion

January 2, 2019

Author(s)

Jared K. Wahlstrand, Nihal Jhajj, H M. Milchberg

The thermal density depression (or density hole) produced by a high repetition rate femtosecond filament in air acts as a negative lens, altering the...

Bulk-state and single-particle imaging are central to understanding carbon dot photo-physics and elucidating the effects of precursor composition and reaction temperature

January 2, 2019

Author(s)

Parinaz Fathi, John S. Khamo, Xuedong Huang, Indrajit Srivastava, Mandy Esch, Kai Zhang, Dipanjan Pan

Model-independent extraction of the shapes and Fourier transforms from patterns of partially overlapped peaks with extended tails

January 1, 2019

Author(s)

Marcus H. Mendenhall, James P. Cline

This work presents a technique for extracting the detailed shape of peaks with extended, overlapping tails in an X-ray powder diffraction pattern. The...

Transformation of Engineered Nanomaterials through the Prism of Silver Sulfidation

January 1, 2019

Author(s)

Fan Zhang, Andrew J. Allen, Aaron C. Johnston-Peck, Jingyu Liu, John M. Pettibone

Structure transformation of engineered nanomaterials (ENMs) often dictates their efficacy, safety, and environmental impact. To address the existing significant...

Efficient MU-MIMO Beamforming Protocol for IEEE 802.11ay WLANs

January 1, 2019

Author(s)

Munsuk Kim, Tanguy Ropitault, SuKyoung Lee, Nada T. Golmie

IEEE 802.11ay supports multi-user multiple-input-multiple-output (MU-MIMO). However, the MU- MIMO BFT (Beamforming Training) is a time-consuming process to find...

Measurement of Ion-Pairing Interactions in Buffer Solutions with Microwave Microfluidics

January 1, 2019

Author(s)

Charles A. Little, Angela C. Stelson, Nathan D. Orloff, Christian J. Long, James C. Booth

Broadband microwave microfluidics is an emerging technique for quantifying the frequency dependent electrical response of fluids in the microwave regime. This...

Simulation of TTT curves for additively manufactured Inconel 625

January 1, 2019

Author(s)

Carelyn E. Campbell, Greta Lindwall, Eric Lass, Fan Zhang, Mark R. Stoudt, Andrew J. Allen, Lyle E. Levine

The ability to use common computational thermodynamic and kinetic tools to study the microstructure evolution in Inconel 625 (IN625) manufactured using the...

Enabling adoption of 2D-NMR for the higher order structure assessment of monoclonal antibody therapeutics

January 1, 2019

Author(s)

Robert G. Brinson, John P. Marino, Frank Delaglio, Luke W. Arbogast, Ryan M. Evans, Anthony J. Kearsley, Yves Aubin, Gregory Pierens, Xinying Jia, David Keizer, Jonas Stahle, Goran Widmalm, Chad Lawrence, Patrick Reardon, John Cort, Koichi Kato, Stuart Parnham, Andreas Blomgren, Torgny Rundlof, Kang Chen, David Keire, Thea Suter-Stahel, Gerhard Wider, Donna Baldisseri, Julie Wu, Mats Wikstrom, Medhi Mobli

Of the top ten drugs on the global market in 2016, seven of them are biologics with a combined market value of over US$60 billion. Moreover, around 2,800...

Artificial gauge fields with ultracold neutral atoms

January 1, 2019

Author(s)

Ian B. Spielman, Victor Galitski, Gediminas Juzeliunas

Gauge fields are ubiquitous in nature. In the context of quantum electrodynamics, you may be familiar with the photon, that represents the dynamical gauge field...