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Standards

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Displaying 151 - 175 of 830

Evaluating Inter-Laboratory Comparison Data

November 3, 2022
Author(s)
Enrico Frahm, John D. Wright
The primary purpose of inter-laboratory comparisons is to demonstrate that the uncertainty specifications of the calibration measurement capabilities of the participating laboratories are correct. The most common criterion for assessing a participating

Cryptographic Standards in a Post-Quantum Era

November 2, 2022
Author(s)
Dustin Moody, Angela Robinson
If large-scale quantum computers are ever built, they will compromise the security of many commonly used cryptographic algorithms. In response, the National Institute of Standards and Technology is in the process of standardizing new cryptographic

An Interlaboratory Study of Potential Visible Protein-Like Particle Standards

November 1, 2022
Author(s)
Srivalli Telikepalli, Michael J. Carrier, Dean C. Ripple
Visible protein-like particle standards can improve visual inspection and/or appearance testing practices used in the biotechnology industry. It will improve assay performance resulting in better alignment and more standardized training among different

Semi-automated assembly of high-quality diploid human reference genomes

October 19, 2022
Author(s)
Erich Jarvis, Giulio Formenti, Jennifer McDaniel, Nathanael David Olson, Justin Wagner, Justin Zook, Kerstin Howe, Karen Miga
The current human reference genome, GRCh38, represents over 20 years of effort to generate a high-quality assembly, which has benefitted society. However, it still has many gaps and errors, and does not represent a biological genome as it is a blend of

Certification of Standard Reference Material(R) 915c Calcium Carbonate

September 20, 2022
Author(s)
Thomas W. Vetter, Jason Waters, Adam L. Pintar
Standard Reference Material (SRM) 915c Calcium Carbonate is certified as a chemical substance of known purity. It is intended for use in the calibration and standardization of procedures for calcium (Ca) determinations employed in clinical analysis and for

Overcoming Technological Barriers in Microfluidics: Leakage Testing

September 1, 2022
Author(s)
Vania Silverio, Suvajyoti Guha, Armelle Keiser, Rucha Natu, Darwin Reyes-Hernandez, Henne van Heeren, Nicolas Verplanck, Luke Herbertson
The miniaturization of laboratory procedures for Lab-on-Chip (LoC) devices and translation to various platforms such as single cell analysis or Organ-on-Chip (OoC) systems are revolutionizing the life sciences and biomedical fields. As a result

Advanced Communications Technologies Standards

August 29, 2022
Author(s)
Chris Greer, Robert B. Bohn, Tao Zhang
This report of the Advanced Communications Technologies Working Group of the Interagency Committee on Standards Policy (ICSP) provides an overview of Federal agency advanced communications technologies (ACT) standards activities and recommends standards

Report on the DHS/NIST Workshop on Standards for an Enduring Capability in Wastewater Surveillance for Public Health (SWWS Workshop)

August 16, 2022
Author(s)
Nancy Lin, Stephanie Servetas, Scott Jackson, Katrice Lippa, Kirsten Parratt, Philip Mattson, Clare Beahn, Mia Mattioli, Sally Gutierrez, Michael Focazio, Ted Smith, Paul Storella, Sarah Wright
Wastewater surveillance is a promising approach to monitor biological and chemical contaminants on a community level in support of public health and safety decisions. Wastewater surveillance has recently been shown highly effective for the early detection

Equations of State for n-Hexadecane and n-Docosane

August 5, 2022
Author(s)
Raffaela Romeo, Eric W. Lemmon
Equations of state for n-hexadecane (C16H34) and n-docosane (C22H46) have been developed as functions of the Helmholtz energy with independent variables of temperature and density. The equations were developed based on experimental values of density, speed

Tensile Tests at 77 K and 4 K on 316L Stainless Steel Welded Plates

July 19, 2022
Author(s)
Dash Weeks, Nicholas Derimow, Jake Benzing
Based on the collaborative framework established between ASME, NASA, and NIST, quasi-static tensile tests were performed in liquid nitrogen (77 K) and liquid helium (4 K) on tensile specimens extracted from the centers of four welded 316L stainless steel

The Expanding Role of National Metrology Institutes in the Quantum Era

July 12, 2022
Author(s)
Alexander Tzalenchuk, Nicolas Spethmann, Tim Prior, Jay H. Hendricks, Yijie Pan, Vladimir Bubanja, Guilherme Temporao, Dai-Hyuk Yu, Damir Ilic, Barbara L. Goldstein
Now that all base units are defined in terms of fundamental constants and can thus — at least in principle — be realized anytime and anywhere, rather than through a measurement chain leading back to unique physical artefacts, who holds the traceability

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
Exhaled breath is a non-invasive, information-rich matrix with the potential to diagnose or monitor disease, including infectious disease. Despite significant effort dedicated to biomarker identification in case control studies, very few breath tests are

Report of the 105th & 106th National Conference on Weights and Measures

June 30, 2022
Author(s)
Shelby Bowers, Yvonne Branden, Tina G. Butcher, Richard A. Harshman, Gloria Diane Lee, David Sefcik, Lisa Warfield
The 105th Annual Meeting of the National Conference on Weights and Measures (NCWM) was held virtually July 12 - 16, 2020. The 106th Annual Meeting of the National Conference on Weights and Measures (NCWM) was held July 18 - 23, 2021, at the Hyatt Regency
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