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Displaying 4176 - 4200 of 73461

PrepareForLeap: An automated tool for fast PDB-to-parameter generation

March 23, 2022
Author(s)
Daniel R. Roe, Christina Bergonzo
Setting up molecular dynamics simulations from experimentally determined structures is often complicated by a variety of factors, particularly the inclusion of carbohydrates, since these have several forms which can be linked in a variety of ways. Here we

The Irradiance Instrument Subsystem (IRIS) on the Airborne-Lunar Spectral Irradiance (Air-LUSI) Instrument

March 23, 2022
Author(s)
Steven Grantham, Thomas C. Larason, Clarence Zarobila, Stephen Maxwell, John Woodward, Kevin Turpie, S. Andrew Gadsden
The objective of the airborne LUnar Spectral Irradiance (air-LUSI) project is to make low uncertainty, SI-traceable measurements of the lunar spectral irradiance in the visible to near-infrared (VNIR) region from an aircraft above most of the optically

Amontons-Coulomb-like slip dynamics in acousto-microfluidics

March 22, 2022
Author(s)
Aurore F. Quelennec, Jason J. Gorman, Darwin Reyes-Hernandez
Electroacoustic technologies, which employ acoustic waves to manipulate and detect bioparticles, have been increasingly used, with a great deal of success, in life sciences. Particle manipulation or measurement capabilities of surface acoustic wave-based

Bi-Criteria Radio Spectrum Sharing with Subspace-Based Pareto Tracing

March 22, 2022
Author(s)
Zachary J. Grey, Susanna Mosleh, Jake Rezac, Yao Ma, Jason Coder, Andrew Dienstfrey
Radio spectrum is a scarce resource. To meet demands, new wireless technologies must operate in shared spectrum over unlicensed bands (coexist). We consider coexistence of Long-Term Evolution (LTE) License-Assisted Access (LAA) with incumbent Wi-Fi systems

Design and Demonstration of a Low Field Magnetic Resonance Imaging Rhizotron for In-Field Imaging of Energy Sorghum Roots

March 21, 2022
Author(s)
George Bagnall, Stephen Altobelli, Mark Conradi, Hilary Fabich, Eiichi Fukushima, Neha Koonjoo, Dean Kuethe, William Rooney, Karl Stupic, Bragi Sveinsson, Brock Weers, NITHYA RAJAN, Matthew Rosen, Cristine Morgan
Advances in plant root phenotyping will play a crucial role in the development of modern crop varieties for fostering sustainable agriculture. Root phenotyping provides critical information to plant breeders for developing varieties with improved drought

Flexible Software for Rigorous Simulations of Magnetic Particle Imaging Systems

March 21, 2022
Author(s)
Klaus Natorf Quelhas, Mark-Alexander Henn, Thinh Bui, Hunter Wages, Weston L. Tew, Solomon I. Woods
Modeling of Magnetic Particle Imaging (MPI) systems allows for developing and testing novel methods for image reconstruction and simulating various setups without the need of real-life measurement data. Here we describe the the initial development of a C++

Uncertainty estimation for 2D magnetic particle imaging

March 21, 2022
Author(s)
Mark-Alexander Henn, Klaus Natorf Quelhas, Solomon I. Woods
Magnetic Particle Imaging (MPI) has in recent years been established as a powerful imaging tool that measures thenon-linear magnetic response of magnetic particles to an applied field. Obtaining quantitative information fromthese images in the form of a

Distribution of Average Aggregate Density from Stir-stressed NISTmAb Protein

March 19, 2022
Author(s)
Richard E. Cavicchi, Laura Philips, Fook Cheong, David Ruffner, Priya Kasimbeg, Wyatt N. Vreeland
Quantifying the heterogeneous nature of protein aggregates is important to understanding the impact aggregates may have on the performance of antibody therapeutics. The spatially averaged density p of aggregates, defined as the total mass, including water

Evaluating a Natural Gas Pipeline Steel for Blended Hydrogen Service

March 19, 2022
Author(s)
May Ling Martin, Matthew Connolly, Zack Buck, Peter Bradley, Damian Lauria, Andrew Slifka
An X70 natural gas pipeline steel that is being considered for blended natural gas/hydrogen gas service was evaluated in a high-pressure hydrogen gas environment. Fracture toughness testing and fatigue crack growth rate testing were conducted according to

Certification of Standard Reference Material 3289 Multivitamin Tablets

March 18, 2022
Author(s)
Hugh Hayes, Jerome Mulloor, Michael Nelson, Kate Rimmer, Lee L. Yu, James H. Yen
Standard Reference Material® (SRM®) 3289 Multivitamin Tablets was developed as part of a collaborative effort between the National Institute for Standards and Technology (NIST) and the National Institutes of Health Office of Dietary Supplements (NIH ODS)

Measurements of Strong-Interaction Effects in Kaonic-Helium Isotopes at sub-eV Precision with x-ray microcalorimeters

March 18, 2022
Author(s)
Tadashi Hashimoto, S Aikawa, T. Akaishi, M Bazzi, Douglas Bennett, M Berger, D Bosnar, A. D. Butt, C. Curceanu, W.Bertrand (Randy) Doriese, Malcolm Durkin, Y Ezoe, Joseph Fowler, H. Fujioka, Johnathon Gard, C Guaraldo, F.P. Gustafsson, C. Han, R Hayakawa, R. S. Hayano, T Hayashi, J. Hays-Wehle, Gene C. Hilton, T Hiraiwa, M Hiromoto, Y Ichinoge, M Iio, Y Iizawa, M Iliescu, S Ishimoto, Y Ishisaki, K Itahashi, M Iwasaki, Y Ma, T Murakami, T Nishi, H Noda, K Nomura, H Noumi, K Ooi, H Outa, K Piscicchia, Carl D. Reintsema, Y Sada, S Okada, Galen O'Neil, Dan Schmidt, Daniel Swetz, Joel Ullom, S Yamada, J Uhlig
We have measured the 3 d→ 2 p transition x rays of kaonic He 3 and He 4 atoms using superconducting transition-edge-sensor microcalorimeters with an energy resolution better than 6 eV (FWHM). We determined the energies to be 6224.5±0.4 (stat)±0.2 (syst) eV

NIST Time and Frequency Bulletin

March 17, 2022
Author(s)
Kelsey Rodriguez
The Time and Frequency Bulletin provides information on performance of time scales and a variety of broadcasts (and related information) to users of the NIST services.

Laser Spectroscopy of the y7PJo states of Cr I

March 16, 2022
Author(s)
Eric Norrgard, Daniel Barker, Stephen Eckel, Sergey Porsev, Charles Cheung, Mikhail Kozlov, Ilya Tupitsyn, Marianna Safronova
Here we report measured and calculated values of decay rates of the 3d$^4$($^5$D)4s4p($^3$P$^\rmo}}$)\ y$^7$P$^\rmo}}_2,3,4}$ states of Cr I. The decay rates are measured using time-correlated single photon counting with roughly 1\,\% total uncertainty. In

Protecting Information and System Integrity in Industrial Control System Environments: Cybersecurity for the Manufacturing Sector

March 16, 2022
Author(s)
Michael Powell, Michael Pease, Keith A. Stouffer, CheeYee Tang, Timothy Zimmerman, Chelsea Dean, Kangmin Zheng, John Hoyt, Mary Raguso, Joseph Brule, Aslam Sherule, Matthew Zopf
Today's manufacturing organizations rely on industrial control systems (ICS) to conduct their operations. Increasingly, ICS are facing more frequent, sophisticated cyber attacks—making manufacturing the second-most-targeted industry. Cyber attacks against
Displaying 4176 - 4200 of 73461
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