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Standards

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Displaying 26 - 50 of 823

NIST Handbook 133: Checking the Net Contents of Packaged Goods (2025 Ed.)

January 10, 2025
Author(s)
John McGuire, David Sefcik, Loren Minnich, Isabel Baucom, Katrice Lippa
This handbook has been prepared as a procedural guide for the compliance testing of net content statements on packaged goods. Compliance testing of packaged goods is the determination of the conformance results of packaging, distribution, and sale of

Well characterized polyethyleneimine/carboxylated polyethylene glycol functionalized gold nanoparticles as prospective nanoscale control materials for in vitro cell viability assays: particle characterization and toxicity test in eight mammalian cell line

January 7, 2025
Author(s)
Vytas Reipa, Vincent Hackley, Alessandro Tona, Min Beom Heo, Ye Ryeong Lee, Tae Geol Lee, Aaron Johnston-Peck, Tae Joon Cho
Safety screening of manufactured nanomaterials (MNMs) is essential for their adoption by consumers and the marketplace. Lately, animal-based testing is replaced by mechanistically informative in vitro assays due to requirements of regulatory agencies. Cell

Recommendations for assessing commutability of a replacement batch of a secondary calibrator certified reference material

December 16, 2024
Author(s)
Liesbet Deprez, Jesper Johansen, Thomas Keller, Jeffrey Budd, Neil Greenberg, Cas Weykamp, Sverre Sandberg, MAURO PANTEGHINI, Ferruccio Ceriotti, Elizabeth Barczak, Robert Rej, Pernille Kjeilen Fauskanger, Finlay MacKenzie, Johanna Camara, Alicia Lyle, W. Greg Miller, VINCENT DELATOUR
Commutable secondary certified reference materials (CRMs) play an essential role in the calibration hierarchy of many in-vitro diagnostic measurement procedures used in the medical laboratory. Therefore, sustainable availability of these CRMs is crucial to

Certification of Standard Reference Material(R) 1641f Mercury in Water

November 14, 2024
Author(s)
Colleen Bryan Sallee, Therese Butler, Jenna Klingsick, John Molloy, James Yen
Standard Reference Material (SRM) 1641f Mercury in Water is intended for the calibration of instruments and techniques used for the determination of mercury in natural waters. It is designed for the preparation of calibration solutions and for use as a

Towards Novel Standard-Based Approach to Flexible Supply Chain Integration

November 13, 2024
Author(s)
Elena Jelisic, Boonserm Kulvatunyou, Nenad Ivezic, Hakju Oh
Today, global supply chains operate across different industries and different geo-political locations. As such, supply chain digitalization has to deal with diverse and incompatible formats, protocols, and structures of the Data Exchange Standards (DESes)

Concordant inter-laboratory derived concentrations of ceramides in human plasma reference materials via authentic standards

October 3, 2024
Author(s)
Tracey Schock, Christina Jones, Federico Torta, Nils Hoffmann, Bo Burla, Irina Alecu, Makoto Arita, Takeshi Bamba, Steffany A.L. Bennett, Justine BERTRAND-MICHEL, Britta Brugger, Monica Molina, Maria Dolores Camacho Munoz, Antonio Checa, Michael Chen, Michelle Cinel, Benoit COLSCH, Cristina Coman, Bebiana Da Costa Sousa, Alex Dickens, Maria Maria, Finnur Freyr Eiriksson, Hector Gallart-Ayala, Mohan Ghorasaini, Martin Giera, Xue Guan, Mark Haid, Thomas Hankemeier, Amy Harms, Marcus Horing, Michal Holcapek, Thorsten Hornemann, Chunxiu Hu, Andreas Hulsmeier, Julijana Ivanisevic, Harald Kofeler, Sin Man Lam, Jong Cheol Lee, Gerhard Liebisch, Andrea F Lopez-Clavijo, Malena Manzi, Peter Meikle, Maria Monge, Sneha Muralidharan, Anna Nicolaou, Valerie O'Donnell, Matej Oresic, Arvind Ramanathan, Daisuke Saigusa, Heidi Schwartz-Zimmermann, Guanghou Shui, Masatomo Takahashi, Margret Thorsteinsdottir, Anthony Tournadre, Hiroshi Tsugawa, Victoria Tyrrell, Grace van der Gugten, Michael Wakelam, Craig Wheelock, Denise Wolrab, Guowang Xu, John Bowden, Kim Ekroos, Robert Ahrends, Markus Wenk
In this community effort, we compared measurements between 34 laboratories from 19 countries, utilizing mixtures of authentic synthetic standards, to quantify by mass spectrometry four ceramide species in the NIST human blood plasma Standard Reference

Preliminary observations of the April 5th, 2024, Mw4.8 New Jersey Earthquake

October 1, 2024
Author(s)
Oliver Boyd, William Barnhart, James Bourke, Martin Chapman, Paul Earle, Guo-chin Dino Huang, Jessica Thompson Jobe, Won-Young Kim, Frederik Link, Mairi Litherland, Andrew Lloyd, Maureen D. Long, Sara McBride, Andrew Michael, Walter Mooney, Gregory Mountain, Aspasia Nikolaou, Alexandros Savvaidis, Felix Waldhauser, Cecily Wolfe, Clara Yoon
On April 5, 2024, at 10:23 am local time, a moment magnitude 4.8 earthquake struck Tewksbury Township, NJ, about 65 km west of the New York City metropolitan area. Millions of people from Virginia to Maine and beyond felt the ground shaking, resulting in

Summary Report: CHIPS R&D Program Standards Summit

September 27, 2024
Author(s)
Mary Bedner, Chris Greer
The mission of the National Institute of Standards and Technology's (NIST) CHIPS Research and Development Office (CHIPS R&D) under the Department of Commerce's CHIPS for America Program is to accelerate the development and commercial deployment of

Manufacturing Digital Twin Standards

September 24, 2024
Author(s)
Guodong Shao
As a foundation of digital transformation, digital twins are critical for achieving smart manufacturing. Recent technology advancements, such as smart sensors, Internet of Things (IoT), cloud computing, machine learning, and artificial intelligence (AI)

Workshop on Decarbonization: A Gap Analysis of LCA Standards for Industry

September 20, 2024
Author(s)
Noah Last, Joshua D. Kneifel, Amy Costello, Catherine Houska, Katherine Morris
ASTM International's committee on sustainability (E60), in collaboration with the National Institute of Standards and Technology (NIST), hosted the virtual "Workshop on Decarbonization: A Gap Analysis of LCA Standards for Industry" on October 10-11, 2023

Rydberg states of alkali atoms in atomic vapor as SI-traceable field probes and communications receivers

September 16, 2024
Author(s)
Noah Schlossberger, Samuel Berweger, Nikunjkumar Prajapati, Andrew Rotunno, Alexandra Artusio-Glimpse, Matthew Simons, Abrar Sheikh, Eric Norrgard, Stephen Eckel, Christopher Holloway
Rydberg states of alkali atoms are highly sensitive to electric fields because their electron wavefunction has a large spatial extent, leading to large polarizabilities for static fields and large transition dipole moments for time-varying fields. Over the

Additive Construction in Practice - Realities of Acceptance Criteria

September 4, 2024
Author(s)
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 2020 and are being developed through integration of research efforts and early engagement with

Optimization of Wye-D-Type Quantum Hall Resistance Standard

August 30, 2024
Author(s)
Yanfei Yang, Dean G. Jarrett, Alireza Panna, Albert Rigosi, David B. Newell, Randolph Elmquist, Cheng Hsueh Yang, Ngoc Thanh Mai Tran
Theoretically wye-delta transformation can be used to realize ultra-high resistances up to PΩ. For graphene-based quantum Hall array resistance standards fabricated to utilize the wye-delta transformation, a few challenges present themselves, including the
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