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Displaying 13176 - 13200 of 13227

From Crisis to Routine - Standardization of SARS-CoV-2 Genome Detection by Enhanced EQA Schemes in a Scientific Pandemic Network

May 24, 2025
Author(s)
Martin Kammel, Hans-Peter Grunert, Anika Zimmerman, Annemarie Martin, Vanessa Lindig, Samuel Samuleit, Ulf Duehring, Mechthild Adams-Bagusche, Dirk Sander, Hannah Zeichhardt, Christian Drosten, Victor Corman, Daniela Niemeyer, Sandra Ciesek, Holger Rabenau, Martin Obermeier, Robert Ehret, Rolf Kaiser, Jim Huggett, Denise O'Sullivan, Peter Vallone, Megan Cleveland, Samreen Falak, Andreas Kummrow, Esmeralda Valiente, Rainer Macdonald, Mojca Milavec, Sabine Goseberg, Silke Kappler, Natalie Weiss, Laura Vierbaum, Patricia Kaiser, Ingo Schellenberg, Heinz Zeichhardt
… of the COVID-19 pandemic led to a crisis situation in which diagnostic methods for the genome detection of the … diagnostic test for the detection of SARS-CoV-2, the first in-house tests (laboratory-developed tests = LDTs) and commercial tests were used in the laboratories, but with the major limitation that there …

Integrating Analytical and Numerical Approaches to Quantify Flow Work in Rate-of-Rise Gas Flow Standards

February 20, 2026
Author(s)
Max Low, Aaron Johnson, Pragya Natarajan, Jodie Pope
… it challenging to directly measure the gas temperature in rate-of-rise (RoR) standard collection tanks during … necessary for the accuracy of mass flow rate calculation in RoR standards, and so overcoming the flow work issue is … Metrology Group at the National Institute of Standards and Technology (NIST) has developed an analytic thermal model to …

Simulation of Residential CO Exposures from Portable Generators with and without CO Hazard Mitigation Systems Meeting Requirements of Voluntary Standards, Revision 1

December 28, 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 … (CPSC or Commission) 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 …

Status Report on the Third Round of the NIST Post-Quantum Cryptography Standardization Process

September 29, 2022
Author(s)
Gorjan Alagic, Daniel Apon, David Cooper, Quynh Dang, Thinh Dang, John M. Kelsey, Jacob Lichtinger, Yi-Kai Liu, Carl A. Miller, Dustin Moody, Rene Peralta, Ray Perlner, Angela Robinson, Daniel Smith-Tone
… The National Institute of Standards and Technology is in the process of selecting public-key cryptographic … Post-Quantum Cryptography Standardization Process began in December 2017 with 69 candidate algorithms that met both …

Status Report on the Third Round of the NIST Post-Quantum Cryptography Standardization Process

July 5, 2022
Author(s)
Gorjan Alagic, David Cooper, Quynh Dang, Thinh Dang, John M. Kelsey, Jacob Lichtinger, Yi-Kai Liu, Carl A. Miller, Dustin Moody, Rene Peralta, Ray Perlner, Angela Robinson, Daniel Smith-Tone, Daniel Apon
… The National Institute of Standards and Technology is in the process of selecting public-key cryptographic … Post-Quantum Cryptography Standardization Process began in December 2017 with 69 candidate algorithms that met both …

Fire Resilience of a Steel-Concrete Composite Floor System: Full-Scale Experimental Evaluation for Influence of Slab Reinforcement (Test #2)

June 1, 2022
Author(s)
Lisa Choe, Matthew Hoehler, Matthew Bundy, Rodney A. Bryant, Brian Story, Anthony R. Chakalis, Artur A. Chernovsky, Selvarajah Ramesh, Xu Dai
… The National Institute of Standards and Technology is currently conducting a series of large … the two-story steel gravity frame, two bays by three bays in plan. This report presents the experimental design and … The fire test bay was situated on the ground floor in the middle edge bay of the two-story test building. The …

Open Media Forensics Challenge (OpenMFC) 2021 Workshop Presentations

February 1, 2022
Author(s)
Haiying Guan, Yooyoung Lee, Lukas Diduch, Ilia Ghorbanian Bajgiran, Jim Horan
… which was held on Dec. 7 -10, 2021, in conjunction with TRECVID 2021. OpenMFC is an evaluation … https://mfc.nist.gov/workshop) was open to the public. In the workshop (workshop agenda: …

Survey on Gender, Equity and Inclusion

March 29, 2021
Author(s)
Mary Frances Theofanos, Jasmine Evans, Justyna Zwolak, Sandra Spickard Prettyman
… In the fall of 2019, the National Institute of Standards and Technology (NIST) funded threes studies to better understand … exploratory mixed methods study designed to provide an in- depth look at the population of NIST federal employees to …

CCQM K132 Low-Polarity Analytes in a Biological Matrix: Vitamin D Metabolites in Human Serum

September 15, 2017
Author(s)
Stephen Wise, Susan Tai, David L. Duewer
… Vitamin D is a fat-soluble vitamin that occurs primarily in two forms, vitamin D2 and vitamin D3. Vitamin D3 is … skin is exposed to UV radiation, is naturally-occurring in foods (generally of animal origin), and is fortified in some foods and dietary supplements. Vitamin D2 occurs in …

High-Fidelity Quantum Control Using 9Be+ Ion Crystals in a Penning Trap

August 19, 2009
Author(s)
Michael J. Biercuk, Hermann Uys, Aaron Vandevender, Nobuyasu Shiga, Wayne M. Itano, John J. Bollinger
… We provide an introduction to the use of ion crystals in a Penning trap for experiments in quantum information. Macroscopic Penning traps allow for … few million atomic ions whose internal states may be used in quantum information experiments. Ions are laser Doppler …

Human Mitochondrial Genetics

January 1, 2000
Author(s)
L A. Tully, Barbara C. Levin
… the mtDNA genetic code has been shown to differ in some ways from the Universal Genetic Code of nuclear DNA, … disease-producing mutations, detecting mutations present in low concentrations in an individual, analyzing the effects … (SRMs) by the National Institute of Standards and Technology (NIST). Use of these SRMs can help assure that the …

Economic Evaluation Engine (E3) Technical Manual

January 18, 2024
Author(s)
Joshua D. Kneifel, David Webb, Luke Donmoyer
… Laboratory (EL) of the National Institute of Standards and Technology (NIST) has developed a variety of tools that … As a result, AEO has developed these software tools in a "one-off" approach on an as needed basis. As a result, … are common across tools, including methodology documented in standards. To improve the efficiency of the tools …

A Model-Based Analysis of First-Generation Service Discovery Systems

October 1, 2005
Author(s)
Christopher E. Dabrowski, Kevin L. Mills, Stephen Quirolgico
… be based on distributed service-oriented architectures in which applications are composed dynamically from remote … proposed that enable clients and services to rendezvous in a distributed system. The report characterizes such … potential for unexpected behavior when service discovery technology is deployed at large scale. The report presents …

Measured Performance of a 35 Kilowatt Roof Top Photovoltaic System

March 1, 2003
Author(s)
Arthur H. Fanney, E R. Weise, K R. Henderson
… been installed at the National Institute of Standards and Technology (NIST) in Gaithersburg, Maryland. The system, located on a the roof … site-generated renewable energy on September 14, 2001. In addition to providing electrical energy and reducing …

Site-Specific Structural Measurements Using X-Ray Standing Waves: The Electronic and Geometric Structure of the Perovskite La1/2Sr3/2MnO4

January 1, 2001
Author(s)
E J. Nelson, Joseph C. Woicik, Z Hasan, Z -. Shen, D Heskett, L E. Berman
… In the vicinity of an x-ray Bragg reflection, the incident … or the angle of the incident x-ray. Thistuning results in a shift of the maxima of the x-ray standing wave field … (cuprate) materials. These effects originate in the Mn-O (or Cu-O) planes in the layered planar tetragonal …

Report from the 2nd Workshop on: Characterization and Modeling of the Interface/Interphase of Polymeric Materials and Systems December 7 and 8, 1998

July 1, 1999
Author(s)
Tinh Nguyen, Charles C. Han, Richard R. Cavanagh, R Ryntz
… The interface/interphase region plays a fundamental role in a wide range of polymeric materials and systems such as … and durability of polymeric materials and systems is still in its infancy. The National Institute of Standards and Technology, in collaboration with the Ford Motor Company, …

Scattering Insights into Shear-Induced Scission of Rodlike Micelles

January 23, 2025
Author(s)
Guan-Rong Huang, Ryan Murphy, Lionel Porcar, Chi-Huan Tung, Changwoo Do, Wei-Ren Chen
… essential for understanding their stability and behavior in industrial applications. Mechanical stress can fragment … enhancing the efficiency and control of micellar systems in processes where mechanical forces shape their dynamic … of cetyltrimethylammonium bromide (CTAB) surfactants in the presence of sodium nitrate, a well-studied rodlike …

Report on High Energy Arcing Fault Experiments - International Experimental Results from Bus Duct and Switchgear Enclosures

July 1, 2024
Author(s)
Gabriel Taylor, Anthony D. Putorti Jr., Scott Bareham, Christopher U. Brown, Wai Cheong Tam, Michael Heck, Lucy Fox, Stephen Fink, Michael Selepak, Edward Hnetkovsky, Nicholas Melly, Kenneth Hamburger, Kenneth Miller
… data were recorded for each experiment and documented in this report. The experiments include five medium-voltage … switchgear. These experiments differed from past programs in that the effects to adjacent and nearby equipment were … from the NRC, the National Institute of Standards and Technology (NIST), Sandia National Laboratories (SNL) and …

Provenience-based cross-verification of digital forensic artifacts applied to NTFS

February 19, 2024
Author(s)
Alexander Nelson, Sheldon Douglas
… In digital forensics, file system analysis is a precursor … differential analysis, both for comparing changes in a file system's state across time (Garfinkel et al., … analysis, but is presented initially in the context of New Technology File System (NTFS) file system analysis. We …

Report on High Energy Arcing Fault Experiments: Experimental Results from Medium-Voltage Bus Duct and Switchgear Enclosures

September 15, 2023
Author(s)
Gabriel Taylor, Anthony D. Putorti Jr., Scott Bareham, Christopher U. Brown, Wai Cheong Tam, Ryan Falkenstein-Smith, Stephen Fink, Michael Heck, Edward Hnetkovsky, Nicholas Melly, Kenneth Hamburger, Kenneth Miller
… data were recorded for each experiment and documented in this report. This report covers experiments performed on … hazard modeling tools and support potential improvements in fire probabilistic risk assessment (PRA) methods. The … from the NRC, the National Institute of Standards and Technology (NIST), Sandia National Laboratories (SNL) and …

Using skin mucus for the identification of ovulation biomarkers in North American Atlantic salmon (Salmo salar)

June 4, 2023
Author(s)
Tracey Schock, Ashley Boggs-Russell, Erin Legacki, Brian Peterson, Heather Hamlin, Melissa Milligan
… In Maine, North American Atlantic salmon production has experienced a 20% decrease in the eye-up rate of embryos. The maternal endocrine … will advance the knowledge of the endocrine status in reproductively mature North American Atlantic salmon. The … skin mucus for the identification of ovulation biomarkers in North American Atlantic salmon (Salmo salar) …

Single-Zone Simulations Using FaTIMA for Reducing Aerosol Exposure in Educational Spaces

September 2, 2021
Author(s)
Lisa Ng, Dustin Poppendieck, Brian Polidoro, William Stuart Dols, Steven Emmerich, Andrew K. Persily
… closures around the United States began, and starting in June 2020, many schools decided to reopen for the next … simulation study that: (1) compares the relative reduction in aerosol exposure in education spaces as a result of … tool developed by the National Institute of Standards and Technology (NIST), to evaluate aerosol exposure in ventilated …
Displaying 13176 - 13200 of 13227
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