U.S. flag

An official website of the United States government

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.

Search Publications

NIST Authors in Bold

Displaying 12201 - 12225 of 13225

The need for multicomponent gas standards for breath biomarker analysis

July 7, 2022
Author(s)
Kavita Jeerage, Jennifer Berry, Jacolin Murray, Cassie Goodman, Paulina Piotrowski, Christina Jones, Christina Cecelski, Jennifer Carney, Katrice Lippa, Tara Lovestead
… significant effort dedicated to biomarker identification in case control studies, very few breath tests are established in practice. In this topical review, we identify how gas … We highlight National Institute of Standards and Technology (NIST) gas standards developed for atmospheric …

NIST Micronutrients Measurement Quality Assurance Program Sample Integrity Confirmation

June 30, 2022
Author(s)
David L. Duewer, Jeanice Brown Thomas, Stephen Young
… From 1984 to 2017, the National Institute of Standards and Technology (NIST) Micronutrients Measurement Quality … that measured fat-soluble vitamins and carotenoids in human serum and plasma. The MMQAP distributed 352 human … from 1987 to 2009 that were evaluated synchronously in 2014 by an experienced participant (1995 to 2017) in the …

Thermal-light heterodyne spectroscopy with frequency comb calibration

February 18, 2022
Author(s)
Scott Diddams, Connor Fredrick, Franklyn Quinlan, Ryan Terrien, Suvrath Mahadevan, Freja Olsen
… Precision laser spectroscopy is key to many developments in atomic and molecular physics and the advancement of … technologies such as atomic clocks and sensors. However, in important spectroscopic scenarios, such as astronomy and … spectrometers typically replace laser spectroscopy. In this work, we employ laser-based heterodyne radiometry to …

Supplementary Comparison APMP.M.P-S2 (Bilateral Comparison) at a Nominal Pressure of 0.05 Pa

October 12, 2021
Author(s)
Pardeep Mohan, Patrick J. Abbott
… challenge, as the transfer standards available for use in this range measure pressure indirectly and tend to have … calibration has been found to be independent of pressure in the high vacuum regime. For these reasons, two SRG s were … India (NPLI) and the National Institute of Standards and Technology, USA (NIST) at a pressure of 0.05 Pa. NPLI served …

Dynamic Plasticity Model for Rapidly Heated 1045 Steel Up to 1000 degC

August 27, 2021
Author(s)
Steven Mates, Shengyen Li
… The National Institute of Standards and Technology (NIST) developed an experimental technique to … evolution. Such conditions may exist as chips are formed in the machining process. Measurements of American Iron and …

Contextualized Filtering for Shared Cyber Threat Information

July 18, 2021
Author(s)
Athanasios Dimitriadis, Christos Prassas, Jose L. Flores, Boonserm Kulvatunyou, Nenad Ivezic, Dimitris Gritzalis, Ioannis Mavridis
… filtering of such information. While the state-of-theart in filtering relies primarily on keyword- and domain-based … for harvesting of business information to fill the gap in filtering, albeit it resulted in providing coarse-grained … 800-150 of the National Institute of Standards and Technology. …

New Connections for Enhancing Robustness of Precast Concrete Frame Structures

May 18, 2021
Author(s)
Travis Thonstad, Jonathan Weigand, Joseph Main, Hai Lew
… The National Institute of Standards and Technology is continuing its research on the mitigation of disproportionate collapse in structural systems typical of U.S. building construction. … the beam sections and revealed potential vulnerabilities in the beam-to-column connections caused by eccentricities in …

Trust and Artificial Intelligence (Draft)

March 2, 2021
Author(s)
Brian Stanton, Theodore Jensen
… affected by, the AI who ultimately places their trust in the system. The study of trust in automated systems has been a topic of psychological study … to achieve the benefits and minimize the risks of this new technology. …

CCQM-K143 Comparison of Copper Calibration Solutions Prepared by NMIs/DIs

December 24, 2020
Author(s)
John Molloy, Michael Winchester, Therese Butler, Olaf Rienitz, Volker Goerlitz, Anita Roethke, Volker Goerlitz, Rodrigo Caciano de Sena, Lu Yang, Kenny Nadeau, Patricia R. Arancibia, Wu Bing, Zhou Tao, James Snell, Jochen Vogl, Maren Koenig, R. K. Kotnala, S. Swarupa Tripathy, Christine Elishian, Rosi Ketrin, Toshihiro Suzuki, Tom Oduor Okumu, Yong-Hyeon Yim, Judith Velina Lara Manzano, Mirella Buzoianu, Alena Sobina, Veniamin Zyskin, Egor Sobina, Pavel Migal, Mare Linsky, Suleyman Z. Can, Betul Ari, Heidi Goenaga Infante
… System of Units (SI), and therefore should be tested in to order to confirm the validity of CCQM comparisons of … laboratory, the National Institute of Standards and Technology (NIST). The masses and mass fraction for the …

Fan-out and Fan-in properties of superconducting neuromorphic circuits

December 4, 2020
Author(s)
Michael Schneider, Segall Kenneth
… hardware from a different perspective. Current research in neuromorphic hardware targets dramatic improvements to ANN … to incorporate all of these advantages at the device level in addition to offering the potential of near lossless … of a few 100-to-1 should be achievable based on current technology. We discuss our findings and the critical …

Accelerated Weathering Parameters for Some Aromatic Engineering Thermoplastics. Part 2: Polycarbonate copolymers, polyarylate and ABS

August 16, 2020
Author(s)
Li Piin Sung, James E. Pickett, Olga Kuvshinnikova, Brett Ermi
… with silicone and aliphatic diacids were exposed in the NIST (National Institutes of Standards and Technology) SPHERE (Simulated Photodegradation via High … energy (-5 kJ mol-1  3 kJ mol-1), reflecting differences in their photodegradation mechanisms. These two polymers also …

Cesium Substitution Disrupts Concerted Cation Dynamics in Formamidinium Hybrid Perovskites

July 28, 2020
Author(s)
Eve M. Mozur, Michael A. Hope, Julia C. Trowbridge, David M. Halat, Luke L. Daemen, Annalise E. Maughan, Timothy R Prisk, Clare P. Grey, James R. Neilson
… 2 ) 2 PbBr 3 ) exhibits complex phase behavior manifesting in a series of crystallographically-unresolvable phase … 2 ) 2 PbBr 3 , which propagate through concerted changes in the dynamic degrees of freedom of the organic sub-lattice … interactions between CH(NH 2 ) 2+ molecules, which may in turn explain the greater phase stability on substitution. …

Rainbow Band Separation is Better than we Thought

June 10, 2020
Author(s)
Daniel Smith-Tone, Ray Perlner
… Currently the National Institute of Standards and Technology (NIST) is engaged in a post- quantum standardization effort, analyzing numerous … threat of quantum computers. Among the candidates in the second round of the standardization process is …

Estimating real-time infiltration for use in residential ventilation control

September 19, 2019
Author(s)
Lisa C. Ng, Stephen M. Zimmerman, Jeremy Good, Brian Toll, Steven J. Emmerich, Andrew K. Persily
… Minimum outdoor air ventilation rates specified in standards such as ASHRAE Standard 62.2 are generally based … on the campus of the National Institute of Standards and Technology were verified with measurements and used to simulate hourly infiltration rates in three cities. The infiltration rates were passed to a …

Multi-functional integrated photonics in the mid-infrared with suspended AlGaAs on silicon

September 18, 2019
Author(s)
Jeff Chiles, Nima Nader, Eric Stanton, Daniel Herman, Galan Moody, Biswarup Guha, Kartik Srinivasan, Scott Diddams, Ian Coddington, Nathan Newbury, Jeff Shainline, Sae Woo Nam, Richard Mirin, Jiangang Zhu, Juliet Gopinath, Connor Fredrick
… window, modal confinement, and physical robustness. In this work, we demonstrate a new platform, suspended AlGaAs … integrated on silicon, providing excellent performance in all of these metrics. We demonstrate low propagation … spanning from 2.3 - 6.5υm is also achieved. This technology could enable efficient integrated photonic …

Practical Guidelines to 13C-based NMR Metabolomics

August 29, 2019
Author(s)
Arthur S. Edison, Adrien Le Guennec, Frank Delaglio, Eriks Kupce
… to obtain C-C and C-H correlation maps, which greatly aid in compound identification. With 13C isotopic enrichment, … can be used for de novo identification of metabolites not in databases. NMR instrumentation and software has … from real metabolomics samples in 2 hours or less. Probe technology continues to improve, and the next generation …

Towards Formula Concept Discovery and Recognition

July 25, 2019
Author(s)
Howard S. Cohl, Philipp Scharpf, Moritz Schubotz, Bela Gipp
… for scientific documents have proven to be effective in academic disciplines that use many references. In science, technology, engineering, and mathematics (STEM), researchers … ACM SIGIR Conference on Research and Development in Information Retrieval … ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2019). …

Neutronic Performance Characteristics of Different LEU Fuels in a Proposed NIST Research Reactor

June 1, 2019
Author(s)
Danyal J Turkoglu, Zeyun Wu, Robert E. Williams, Thomas Henderson Newton
… (NBSR) at the U.S. National Institute of Standards and Technology (NIST), a conceptual design of a new reactor with … dispersion (U 3 Si 2 /Al) fuel has recently been studied. In this paper, the neutronics calculations with low-enriched … high uranium density, the potential to load more uranium in the core with U-10Mo monolithic fuel was explored with …

Development and Interlaboratory Evaluation of a NIST Reference Material RM 8366 for EGFR and MET Gene Copy Number Measurements

May 21, 2019
Author(s)
Hua-Jun He, Biswajit Das, Megan H. Cleveland, Chen Li, Corinne Camalier, Liang-Chu Liu, Kara L. Norman, Andrew Fellowes, Christopher McEvoy, Steven P. Lund, Jamie L. Almeida, Carolyn R. Steffen, Chris Karlovich, P. M. Williams, Kenneth D. Cole
… The National Institute Standard and Technology (NIST) Reference Material RM 8366 was developed to …
Displaying 12201 - 12225 of 13225
Was this page helpful?