An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Gosia Musial, Demian Riccardi, Chris Suiter, Ethan Sontarp, Samantha Miller, Robert Lirette, Kyle Covington-Rehmeier, Avik Mahata, Chris Muzny, Angela Stelson, Kathleen Schwarz, Jason A. Widegren
The balance between ion solvation and ion pairing in aqueous solutions modulates chemical and physical processes from catalysis to protein folding. Yet, despite...
Samantha Webster, Jihoon Jeong, Rujing Zha, Shuheng Liao, Alberto Castro, Lars Jacquemetton, Darren Beckett, Kornel Ehmann, Jian Cao
In-situ monitoring is critical for developing new control methods, advanced materials, and toolpath planning strategies in laser beam Directed Energy Deposition...
Heather H. Chen-Mayer, Dagistan Sahin, Bryan Remley, Steven Brown, David Goodman
A dual-plane Compton imaging detector previously developed for prompt gamma imaging has been further tested and calibrated for quantitative radioactivity...
Christina Cecelski, Jennifer Carney, Antonio Possolo
The procedures used to assign values to certified reference gas mixtures and to evaluate their associated uncertainties, which are described in ISO 6143, and...
S Norimoto, P See, N Schoinas, I Rungger, Tommy Boykin, Michael Stewart, J. P. Griffiths, C. Chen, D. A. Ritchie, M. Kataoka
Increasing electric current from a single-electron source is a main challenge in an effort to establish the standard of the ampere defined by the fixed value of...
Introduced by Kenneth Pitzer in 1955, the acentric factor (ω) became a standard quantity in chemical thermodynamics, representing a molecule's "shape" effect on...
Brendan Carter, Jonathan Sharp, Maribel I. García-Ibáñez, Ryan J. Woosley, Michael Fong, Marta Álvarez, Leticia Barbero, Simon Clegg, Regina Easley, Andrea Fassbender, Xinyu Li, Katelyn Schockman, Zhaohui Aleck Wang, Andrew Dickson
Seawater carbonate chemistry observations are increasingly necessary to study a broad array of oceanographic challenges such as ocean acidification, carbon...
Automation and machine learning techniques are poised to dramatically accelerate the development of new materials while simultaneously increasing our...
Jizhao Zang, Haixin Liu, Travis Briles, Scott Papp
Soliton microcombs provide a chip-based, octave-spanning source for self-referencing and optical metrology. We use a silicon nitride integrated photonics...
Eric Engels, Soutrik Mandal, Douglas Corley, Christopher Blosser, Allyson Hart, Charles Lynch, Baozhen Qiao, Karen Pawlish, Gregory Haber, Kelly Yu, Ruth Pfeiffer
A previous cancer diagnosis can preclude patients from consideration for solid organ transplantation. Statistical models may improve candidate selection. We...
Chandan Paul, Somesh Roy, Johannes Sailer, Fabian Braennstroem, Mohamed Ahmed, Arnaud Trouve, Hadi Bordbar, Simo Hostikka, Randall J. McDermott
This work reports benchmark data sets for radiative heat transfer in two distinct fire configurations obtained from the Measurement and Computation of Fire...
Augustus Snyder, Eric McElroy, Isaure de Buron, Fabio Casu, Jody Beers
The spotted seatrout, Cynoscion nebulosus, is a popular game fish in the southeastern USA. It is estimated that nearly 90% of the adult population in South...
Harold Hatch, Christina Bergonzo, Marco Blanco, Guangcui Yuan, Sergei Grudinin, Mikael Lund, Joseph E. Curtis, Alexander Grishaev, Yun Liu, Vincent K. Shen
We develop a multiscale coarse-grain model of the NIST Monoclonal Antibody Reference Material 8671 (NISTmAb) to enable systematic computational investigations...
FEASST is an open-source Monte Carlo software for particle-based simulations. This software, which was released in 2017, has been used to study phase...
Ferro-rotational (FR) materials, renowned for their distinctive material functionalities, present challenges in the growth of homo-FR crystals (i.e., single FR...
Absolute quantity imaging of biomolecules on a single cell level is critical for measurement assurance in biosciences and bioindustries. While infrared (IR)...
Megan Kreiger, Eric Kreiger, Stephan Mansour, Sean Monkman, Mohammad Aghajani Delavar, Petros Sideris, Casey Roberts, Mathew Friedell, Shawn Platt, Scott Jones
Additive Construction has increased dramatically within the United States in the last few years. Efforts to develop acceptance criteria have increased since...
Kamyar Raoufi, Karl Haapala, John Sutherland, Fu Zhao, Andres Clarens, Jeremy Rickli, Zhaoyan Fan, Haihong Huang, Yue Wang, WoJae Lee, Nehika Mathur, Matthew Triebe, Sai Srinivas Desabathina
Advanced manufacturing is challenging engineering perceptions of how to innovate and compete. The need for manufacturers to rapidly respond to changing...
Takeshi Matsui, Po-Hsiang Hung, Han Mei, Xianan Liu, Fangfei Li, John Collins, Weiyi Li, Darach Miller, Neil Wilson, Esteban Toro, Geoffrey Taghon, Gavin Sherlock, Sasha Levy
To reduce the operational friction and scale DNA engineering, we report here an in vivo DNA assembly technology platform called SCRIVENER (Sequential...
Ngoc Thanh Mai Tran, Linsey Rodenbach, Jason Underwood, Alireza Panna, Zachary Barcikowski, Molly Andersen, Peng Zhang, Lixuan Tai, Kang Wang, Rand Elmquist, Dean G. Jarrett, David B. Newell, David Goldhaber-Gordon, Albert Rigosi
Zhelun Chen, Jin Wen, Yicheng Li, L James Lo, Gabriel Grajewski, Vance (Wm.) Payne, Steven T. Bushby, Amanda Pertzborn, Zheng O'Neill, Zhiyao Yang, Caleb Calfa
With buildings contributing significantly to electricity usage, enabling demand flexibility becomes a challenge, especially when accounting for occupant comfort...
A tangential quadrilateral is a convex quadrilateral whose sides are simultaneously tangent to a single circle. In this paper, the primary objective is to...
The effect of Ge substitution for Ga atoms on the magnetic properties and MCE of the resulting Pr(Ga,Ge) compounds was systematically investigated by the...
Karan Shah, Julie Butler, Alexis Knaub, Anil Zenginoglu, William Ratcliff, Mohammad Soltanieh-ha
It is becoming increasingly important that physics educators equip their students with the skills to work with data effectively. However, many educators may...
Richard A. Livingston, Preethi Sridhar, Neal Berke, Amde M. Amde, Heather H. Chen-Mayer
Prompt Gamma Activation Analysis (PGAA) is an elemental analysis method based on radiative neutron capture that is isotope-specific and has a high sensitivity...
Pavel Shapturenka, Benjamin Barnes, Matthew Noor, Jeffrey Fagan, Elisabeth Mansfield
Partitioning rod-like particles by shape and critical dimension yields a rich platform for investigating fundamental anisotropic colloidal interactions...
Yang Li, Matthew Hummon, Susan Schima, John Kitching, DONGGYU SOHN
We describe a process for fabricating a wafer-scale array of alkali metal vapor cells with low residual gas pressure. We show that by etching long, thin...