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Standards

Reference materials

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Displaying 26 - 50 of 528

Traceable localization enables accurate integration of quantum emitters and photonic structures with high yield

March 18, 2024
Author(s)
Craig R. Copeland, Adam L. Pintar, Ronald G. Dixson, Ashish Chanana, Kartik Srinivasan, Daron Westly, Robert Ilic, Marcelo Davanco, Samuel M. Stavis
In a popular integration process for quantum information technologies, localization microscopy of quantum emitters guides lithographic placement of photonic structures. However, a complex coupling of microscopy and lithography errors degrades registration

Differential scanning calorimetry (DSC): An important tool for polymer identification and characterization of plastic marine debris

February 19, 2024
Author(s)
Jennifer Lynch, Raquel Corniuk, Kayla C. Brignac, Melissa Jung, Joelle Marchiani, Wanda Weatherford
Differential scanning calorimetry (DSC), a routine thermoanalytical method in material science, is gaining utility in plastic pollution research to improve polymer identification. We optimized a DSC method, experimentally testing pan types, temperature

Measurement of 100 nm Monodisperse Particles by Four Accurate Methods: Uncertainty and Traceability

February 12, 2024
Author(s)
George Mulholland, Kaleb Duelge, Vincent A. Hackley, Natalia Farkas, John A. Kramar, Keiji Takahata, Michael Zachariah, Hiromu Sakurai, Kensei Ehara
Accurate measurements of particle diameter are necessary for quantitative characterization of key aerosol properties including the Cunningham slip correction, charging probability, the diffusion coefficient, the coagulation coefficient, and optical

Certification of Standard Reference Material(R) 2983 Inorganics in Geoduck Clam Tissue (Panopea generosa)

January 29, 2024
Author(s)
Colleen E. Bryan Sallee, Melannie Bachman, Steven J. Christopher, Debra Ellisor, Michael Ellisor, Jennifer Hoguet, Samuel Huntington, Caleb Luvonga, Amanda Moors, Dhayaalini Nadarajan, Tomohiro Narukawa, Jennifer Ness, Rebecca Pugh, James H. Yen, Lee L. Yu
Standard Reference Material (SRM) 2983 Inorganics in Geoduck Clam Tissue (Panopea generosa) is intended to be used for the evaluation of methods for the determination of elements, arsenic species, and proximates in this and similar matrices. A unit of SRM

Dietary Supplement Laboratory Quality Assurance Program: Exercise 1 Final Report

November 1, 2023
Author(s)
Carolyn Burdette, Hugh Hayes, Jenna Klingsick, Colleen E. Bryan Sallee, Charles Barber, Steven J. Christopher, Lee L. Yu
The DSQAP was launched, in collaboration with the NIH ODS, in 2007. The program was established to enable laboratories to improve the accuracy of measurements in samples for nutrients, marker compounds, toxic elements, and/or contaminants in dietary

Certification of Standard Reference Material(R) 2386 Avocado Powder

October 18, 2023
Author(s)
Melissa M. Phillips, Laura Wood, Joseph Browning, George Caceres, Grace Hahm, Mahboubeh Hanaee, Abigail Lee, Karen Murphy, Rabia Oflaz, Rick L. Paul, Benjamin Place, Jeanice "Brown Thomas ", James H. Yen
The National Institute of Standards and Technology (NIST) recently released SRM 2386 Avocado Powder which has value assignment for over 70 analytes. This material is intended to be used for the evaluation of methods for the determination of elements

Multi-omics characterization of NIST seafood reference materials and alternative matrix preparations

September 18, 2023
Author(s)
Debra Ellisor, Amanda Bayless, William Davis, Tracey Johnston, Benjamin Trey Knott, John Seghers, Hanne Leys, Hakan Emteborg
The National Institute of Standards and Technology (NIST) has prepared four seafood reference materials (RMs) for use in food safety and nutrition studies: wild-caught and aquacultured salmon (RM 8256 and RM 8257) and wild-caught and aquacultured shrimp

The complete sequence of a human Y chromosome

August 23, 2023
Author(s)
Arang Rhie, Sergey Nurk, Monika Cechova, Savannah Hoyt, Dylan Taylor, Nathanael David Olson, Justin Zook, Adam Phillippy
The human Y chromosome has been notoriously difficult to sequence and assemble because of its complex repeat structure that includes long palindromes, tandem repeats and segmental duplications1,2,3. As a result, more than half of the Y chromosome is

Recommendations for Setting a Criterion for Assessing Commutability of Secondary Calibrator Certified Reference Materials

August 11, 2023
Author(s)
W. Greg Miller, Thomas Keller, Jeffrey Budd, Jesper Johansen, Mauro Panteghini, Neil Greenberg, Vincent Delatour, Ferruccio Ceriotti, Robert Rej, Johanna Camara, Liesbet Deprez, Finlay MacKenzie, Alicia Lyle, Eline van der Hagen, Chris Burns, Pernille Fauskanger, Sverre Sandberg
A secondary higher-order calibrator is required to be commutable with clinical samples to be suitable for use in the calibration hierarchy of an end-user clinical laboratory in vitro diagnostic medical device (IVD-MD). Commutability is a property of a

Food Nutrition and Safety Measurements Quality Assurance Program: Exercise 1 Final Report

May 18, 2023
Author(s)
Colleen E. Bryan Sallee, Melissa M. Phillips, Charles Barber, Carolyn Burdette, Laura Wood, Shaun Kotoski
The Food Nutrition and Safety Measurements Quality Assurance Program (FNSQAP) was launched in 2021. FNSQAP was established to assist laboratories in the development and validation of new analytical methods, in improving the quality of their analytical

Variant calling and benchmarking in an era of complete human genome sequences

April 14, 2023
Author(s)
Nathanael David Olson, Justin Wagner, Nathan Dwarshuis, Karen Miga, Marc L. Salit, Justin Zook
Genetic variant calling from DNA sequencing has enabled understanding of germline variation in hundreds of thousands of humans. Sequencing technologies and variant-calling methods have advanced rapidly, routinely providing reliable variant calls in most of

Humanized Monoclonal Antibody IgG1k, NISTmAb RM 8671 Summary of 5 Year Stability Verification (5YSV)

March 31, 2023
Author(s)
Katharina Yandrofski, John E. Schiel, Trina Mouchahoir, Srivalli Telikepalli, N. Alan Heckert, Dean C. Ripple, Paul C. DeRose, Karen W. Phinney, John Marino
NISTmAb RM 8671 is an IgG1κ monoclonal antibody that has been extensively characterized and released as the first of its kind biopharmaceutical reference material in 2016. This material was intended primarily for use in evaluating the performance of

The Digital NIST: Challenges And Opportunities in the Digital Transformation of NIST's Reference Materials

March 30, 2023
Author(s)
William Dinis Camara, Steven J. Choquette, Katya Delak, Robert Hanisch, Benjamin Long, Melissa M. Phillips, Jared Ragland, Kate Rimmer
Early in 2022 NIST embarked on a pilot project to produce digital calibration reports and digital certificates of analysis for reference materials. The goal of the project is to produce a few examples of digital reports and certificates for the purpose of

Food Nutrition and Safety Measurements Quality Assurance Program: Exercise 1 Final Report

March 22, 2023
Author(s)
Colleen E. Bryan Sallee, Melissa M. Phillips, Charles Barber, Carolyn Burdette, Shaun Kotoski, Laura Wood
The Food Nutrition and Safety Measurements Quality Assurance Program (FNSQAP) was launched in 2021. FNSQAP was established to assist laboratories in the development and validation of new analytical methods, in improving the quality of their analytical

Towards Improved Replicability of Human Studies in Human-Robot Interaction: Recommendations for Formalized Reporting

March 13, 2023
Author(s)
Shelly Bagchi, Patrick Holthaus, Gloria Beraldo, Emmanuel Senft, Daniel Hernandez Garcia, Zhao Han, Suresh Kumaar Jayaraman, Alessandra Rossi, Connor Esterwood, Antonio Andriella, Paul Pridham
In this paper, we present a proposed format for reporting human studies in Human-Robot Interaction (HRI). We specifically call out details which are often overlooked or left out of conference and journal papers due to space constraints, and propose a

Characterization of Reference Materials 8690 to 8693

February 13, 2023
Author(s)
Jessica Reiner, Benjamin Place, N. Alan Heckert, Katherine Peter, Alix Rodowa
The National Institute of Standards and Technology (NIST) Reference Materials (RMs) 8690 Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous Film-Forming Foams (AFFF) Formulation I, RM 8691 Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous Film

Discovery of digital forensic dataset characteristics with CASE-Corpora

February 13, 2023
Author(s)
Alexander Nelson, Eoghan Casey
The digital forensics community has generated training and reference data over the course of decades. However, significant challenges persist today in the usage pipeline for that data, from research problem formulation, through discovery of applicable

Reference materials for phase equilibrium studies. 2. Solid-liquid equilibria (IUPAC Technical Report)

January 11, 2023
Author(s)
Ala Bazyleva, William E. Acree, Vladimir Diky, Glenn T. Hefter, Johan Jacquemin, M. Clara F. Magalhaes, Joe W. Magee, Kirk Nordstrom, John O'Connell, James D. Olson, Ilya Polishuk, Kurt A. G. Schmidt, John M. Shaw, J. P. Martin Trusler, Ronald D. Weir
This article is the second of three projected IUPAC Technical Reports on reference materials for phase equilibrium studies. The goal of this project was to select reference systems with critically evaluated property values for the verification of

Value Assignment of Standard Reference Material(R) 1849b Infant/Adult Nutritional Formula I

January 6, 2023
Author(s)
Melissa M. Phillips, Laura Wood, Charles Barber, Bruce Scruggs, John Sieber, James H. Yen, Lee L. Yu
The National Institute of Standards and Technology (NIST) Standard Reference Material® (SRM®) 1849b Infant/Adult Nutritional Formula I delivers certified or non-certified values for over 100 analytes. This material is intended to be used for the evaluation

Development of an Improved Standard Reference Material for Folate Vitamers in Human Serum

December 12, 2022
Author(s)
Johanna Camara, Jeanita Pritchett, Yasmine Daniels, Mary Bedner, Michael Nelson, Mark Lowenthal, Zia Fazili, Christine Pfeiffer, Karen W. Phinney, Katherine E. Sharpless, Lane C. Sander, Katrice Lippa, James H. Yen, Adam Kuszak, Stephen Wise
The US National Institute of Standards and Technology (NIST) developed a Standard Reference Material® (SRM®) 3949 Folate Vitamers in Frozen Human Serum to replace SRM 1955 Homocysteine and Folate in Human Serum. The presence of increased endogenous levels
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