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Search Publications

NIST Authors in Bold

Displaying 13101 - 13125 of 13227

Web-Based Interactive Data Processing: Application to Stable Isotope Metrology

August 1, 2001
Author(s)
R M. Verkouteren, J N. Lee
… To address a fundamental need in stable isotope metrology, the National Institute of Standards and Technology (NIST) has established a Web-based interactive … value assignments for secondary standards to be used in a routine basis. Users may also wish to validate …

Measurement Techniques for Low Heat Flux Exposures to Fire Fighters Protective Clothing

June 1, 2001
Author(s)
R Vettori, W H. Twilley, D W. Stroup
… periods of time, up to 10 min. The 19 sensors were tested in six different configurations and exposed to three … and the radiant panel, the sensor is placed 6 mm (0.25 in) behind the material, (5) a section of fire fighter … sensor is mounted on the substrate and placed 6 mm (0.25 in) behind the material. The three levels of heat flux were …

NIST Reference Material (RM) 8456, Ultra High Molecular Weight Polyethylene (UHMWPE)

October 1, 2000
Author(s)
John A. Tesk, J W. Thomas
… now available from The National Institute of Standards and Technology. RM 8456 is intended primarily for use in mechanical characterization of material properties and … performance. This material is not intended for use in human implantation or any human biomedical device.RM 8456 …

SQUIDs Past, Present, and Future: A Sympsium in Honor of Jim Zimmerman

October 1, 2000
Author(s)
Richard L. Kautz
… Future was held at the National Institute of Standards and Technology in Boulder, Colorado on November 15, 1997 to celebrate the … the SQUID's origin and the present state of the art. In the tradition of a festschrift, this symposium booklet … SQUIDs Past, Present, and Future: A Sympsium in Honor of Jim Zimmerman …

A Progress Report on the NIST Convective Heat Flux Calibration Facility

March 15, 1999
Author(s)
David G. Holmberg, C A. Womeldorf
… The National Institute of Standards and Technology has developed a convective heat flux calibration … convective environment, direct comparisons of sensors in controlled convective and radiative environments are … to a guarded region of the plate to the side of the sensor in the spanwise uniform flow. Tests have demonstrated a …

Characterization of the Confined Ceiling Jet in the Presence of an Upper Layer in Transient and Steady-State Conditions. Final Report. August 1990-July 1991.

August 1, 1992
Author(s)
V Motevalli, C Ricciuti
… studied, the data from small-scale experiments evaluated in this report provided a unique opportunity to characterize the transience of a ceiling jet in the presence of a developing upper layer. The development … conducted at the National Institute of Standards and Technology, Center for Fire Research using 2.0 and 0.75 kW …

The Integration of Focused Ultrasonication, ddPCR, and Flow Cytometry Effectively Estimates Genome Copies per Cell and Enhances DNA Extraction Efficiency in Escherichia coli Samples

April 16, 2026
Author(s)
Sandra Da Silva, Nancy Lin, Kirsten Parratt, Hariharan Iyer, Guilherme Pinheiro, Holly Hack, Ian Hines, Stephanie Servetas
… applications range from detecting microbial contaminants in regenerative medicine and biotherapeutic products to … biosurveillance, and microbiome studies. A critical step in these techniques is DNA extraction, which involves … protocol leveraging adaptive focused acoustics (AFA) technology to achieve a balance between cell lysis and DNA …

NIST Handbook 130: Uniform Laws and Regulations in the Areas of Legal Metrology and Fuel Quality (2026 Ed.)

December 29, 2025
Author(s)
John McGuire, David Sefcik, Loren Minnich, Isabel Baucom, Katrice Lippa
… and guidelines designed to encourage uniformity in the adoption and implementation of weights and measures … and regulations. The model laws and regulations included in NIST Handbook 130 are adopted in various forms by many … in place. The National Institute of Standards and Technology (NIST) has a statutory responsibility to promote …

An In-depth Study Evaluating the Determination of CBD, D9-THC, D8-THC, and 25 Additional Cannabinoids in Cannabis Concentrates by Liquid Chromatography with Absorbance Detection

December 15, 2025
Author(s)
Walter Wilson, Arianna Romares, STEPHEN GOLDMAN
… Cannabis revenue has risen in the United States (US) from $16.5B in 2018 to $45.4B in 2025 [1], which can be attributed to the … Division (CSD) at the National Institute of Standards and Technology (NIST) previously developed an analytical method … An In-depth Study Evaluating the Determination of CBD, D9-THC, …

Accelerating Defect Predictions in Semiconductors Using Graph Neural Networks

March 27, 2024
Author(s)
Md. Habibur Rahman, Prince Gollapalli, Panayotis Manganaris, Satyesh Kumar Yadav, Ghanshyam Pilania, Arun Kumar Mannodi-Kanakkithodi, Brian DeCost, Kamal Choudhary
… reliably predict the energetics of point defects in semiconductors, but are constrained by the expense of … and screening of native defects and functional impurities in a chemical space of Group IV, III-V, and II-VI zinc blende … train models for predicting defect formation energy (DFE) in multiple charge states and multiple chemical potential …

The Long-Term Timing Performance of Satellite Time and Location Receivers Utilizing Signals from Low Earth Orbit Satellites

January 25, 2024
Author(s)
Andrew Novick, Peter Johnson
… reference at the National Institute of Standards and Technology (NIST), for a duration of 100 days. STL is a … that is fully operational today and is available anywhere in the world. This paper is focused on the STL timing … accurate and stable timing solution for long durations in scenarios where Global Navigation Satellite Systems (GNSS) …

Employing Word-Embedding for Schema Matching in Standard Lifecycle Management

December 29, 2023
Author(s)
Hakju Oh, Boonserm Kulvatunyou, Albert T. Jones, Tim Finin
… information standards are managed and used 1) in a platform-specific form and, 2) usually with standalone, … evolves; this can cause significant delays and costs in adopting the new and better standard versions. National Institute of Standards and Technology (NIST) in collaboration with the Open Application …

THC in breath aerosols collected with an impaction filter device before and after legal-market product inhalation - a pilot study

May 22, 2023
Author(s)
Kavita Jeerage, Cheryle Beuning, Adam Friss, L. Cinnamon Bidwell, Tara Lovestead
… extremely low volatility and is hypothesized to be carried in breath by aerosol particles formed from lung surfactant. … an intake session (baseline-intake) and four weeks later in a federally-compliant mobile laboratory 15 min before … data to develop meaningful cannabis breathalyzer technology. …

Simulation of Residential CO Exposures from Portable Generators with and without CO Hazard Mitigation Systems Meeting Requirements of Voluntary

February 16, 2022
Author(s)
Steven Emmerich, Brian Polidoro, Matthew Hnatov, Janet Buyer, Matthew Brookman
… performed by the U.S. National Institute of Standards and Technology (NIST) and the U.S. Consumer Product Safety Commission (CPSC) under an interagency agreement in support of the Commission's effort to address the carbon … of CO hazard mitigation requirements that were adopted in two voluntary standards in 2018. These two ANSI-approved …

Report on High Energy Arc Fault Experiments: Experimental Results from Medium Voltage Electrical Enclosures

November 29, 2021
Author(s)
Gabriel Taylor, Anthony D. Putorti Jr., Scott Bareham, Edward Hnetkovsky, Kenneth Hamburger, Nicholas Melly, Mark Henry Salley, Christopher U. Brown, Wai Cheong Tam, Eric Link, Michael Selepak, Philip Deardorff, Kenneth Miller, Paul Clem, Byron Demosthenous, Austin Glover, Chris LaFleur, Raymond Martinez, Anthony Tanbakuchi
… pressure data were recorded for each test and documented in this report. This report covers four of the fourteen … reports will document the additional tests performed in the future. The experiments were performed at KEMA Labs … Commission (NRC), the National Institute of Standards and Technology (NIST), Sandia National Laboratories (SNL) and …

Magnetic Field-Induced Non-Trivial Electronic Topology in Fe 3-x GeTe 2

October 7, 2021
Author(s)
Juan Macy, Danilo Ratkovski, Purnima P. Balakrishnan, Mara Strungaru, Yu-Che Chiu, Aikaterini Flessa, Alex Moon, Wenkai Zheng, Ashley Weiland, Gregory T. McCandless, Julia Y. Chan, Govind S. Kumar, Michael Shatruk, Alexander Grutter, Julie Borchers, William D. Ratcliff, Eun S. Choi, Elton J. Santos, Luis Balicas
… 2 display several features upon cooling, like a reversal in the Nernst signal below T = 50 K pointing to a topological … planar fields, lead to a field dependent spin-chirality. In turn, this generates a novel type of topological transport in the absence of interaction between the magnetic field and …

Lessons on Return to Function After the 2018 Cook Inlet Earthquake

September 30, 2021
Author(s)
Katherine Johnson, Siamak Sattar, Christopher Segura, Steven McCabe
… due to varied impacts across the built environment. In January 2019, the National Institute of Standards and Technology (NIST) deployed a reconnaissance team to … of recovery within their sectors. Key topics explored in this paper relate to barriers for building reoccupancy, …

Structure Separation Experiments Phase 1 Preliminary Test Plan

May 26, 2021
Author(s)
Alexander Maranghides, Shonali Nazare, Eric Link, Kuldeep Prasad, Matthew Hoehler, Matthew Bundy, Steven Hawks, Frank Bigelow, William (Ruddy) Mell, Anthony Bova, Derek McNamara, Tom Milac, Daniel Gorham, Faraz Hedayati, Bob Raymer, Frank Frievalt, William Walton
… structure-to-structure fire spread for structures located in the Wildland Urban Interface (WUI). Full-scale fire experiments will be conducted in which various types of structures (sources of fire) will … be conducted at the National Institute of Standards and Technology (NIST) and the Insurance Institute for Business …

Characterization of extracellular vesicles and artificial nanoparticles with four orthogonal single-particle analysis platforms

April 6, 2021
Author(s)
Emily Mallick, Tanina Arab, Yiyao Huang, Liang Dong, Zhaohao Liao, Zezhou Zhao, Barbara Smith, Norman J. Haughey, Kenneth Pienta, Barbara Slusher, Patrick Tarwater, Juan Pablo Tosar, Angela M. Zivkovic, Wyatt Vreeland, Michael E. Paulaitis, Kenneth W. Witwer
… identify at least three of four distinct size populations in a mixture of silica or polystyrene nanoparticles. Finally, for tetraspanin phenotyping, the SP-IRIS platform in fluorescence mode and NFCM were able to detect at least …

Laser-Driven Calorimetry and Chemometric Quantification of Standard-Reference-Material Diesel/Biodiesel Fuel Blends

July 14, 2020
Author(s)
Werickson Fortunato de Carvalho Rocha, Cary Presser, Shannon Bernier, Ashot Nazarian, David Sheen
… each fuel blend). Two National Institute of Standards and Technology standard-reference-material (SRM) pure fuels were … substrate that rests near the center of the reactor and is in contact with a fine-wire thermocouple. A second thermocouple is in contact with the sphere- reactor inner surface. The change …

A Side-by-Side Energy Use Comparison of a Variable-Speed Small Duct High Velocity and Two-Stage Conventional Ducted Heat Pump in a Net-Zero Energy Home

July 6, 2020
Author(s)
William V. Payne, Brian P. Dougherty
… Two air-source, split system heat pumps were installed in a residential, net-zero energy home that was constructed … on the campus of the National Institute of Standards and Technology (NIST) in Gaithersburg, Maryland USA. The first heat pump was a … High Velocity and Two-Stage Conventional Ducted Heat Pump in a Net-Zero Energy Home …

228Th breakthrough in 224Ra samples: what can we know and when can we know it?

April 6, 2020
Author(s)
Denis E. Bergeron, Ryan P. Fitzgerald, Leticia S. Pibida
… Recent renewed interest in radium-224 (224Ra) as a radiotherapeutic agent prompted … for activity at the National Institute of Standards and Technology (NIST). The 224Ra decay chain includes the … this means a high dose over a very short range in tissue, making 224Ra appealing for the treatment of …
Displaying 13101 - 13125 of 13227
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