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Search Publications by: Blaza Toman (Assoc)

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Displaying 1 - 25 of 173

Certification of Standard Reference Material(R) 965c Glucose in Frozen Human Serum

March 13, 2025
Author(s)
Amanda Bayless, William Davis, Elena Wood, Abraham Kuri Cruz, Johanna Camara, Blaza Toman, Komal Dahya, Katherine Earl, Chui Tse, Uliana Danilenko, Hubert Vesper
Standard Reference Material (SRM) 965c Glucose in Frozen Human Serum is intended for use in validating methods for the determination of glucose in human serum and plasma. A unit of SRM 965c consists of three ampoules each of four materials: Level 1, Level

Certification of Standard Reference Material(R) 1955a Homocysteine in Frozen Human Serum

June 21, 2024
Author(s)
Carolyn Burdette, Elena Wood, Jerome Mulloor, Michael Nelson, Blaza Toman, Aaron Urbas
Standard Reference Material (SRM) 1955a Homocysteine in Frozen Human Serum is intended for use in validating homocysteine measurement procedures used by in vitro diagnostics manufacturers, reference laboratories, and clinical laboratories in the United

Characterization of Reference Material 8210: Hemp Plant

June 20, 2024
Author(s)
Colleen E. Bryan Sallee, Walter Brent Wilson, Charles Barber, Monique Johnson, Jenna Klingsick, Jerome Mulloor, Blaza Toman, Elena Wood, Laura Wood, Andrea Yarberry
The National Institute of Standards and Technology (NIST) Reference Material (RM) 8210 Hemp Plant delivers non certified values for cannabinoids and toxic elements in a dried ground hemp plant material to help cannabis and forensic laboratories for use as

Certification of Standard Reference Material(R) 1595a Tripalmitin

March 1, 2024
Author(s)
Michael Nelson, Jerome Mulloor, Brian Lang, Blaza Toman, Antonio Possolo, William Perry, Alicia Lyle
Standard Reference Material (SRM) 1595a Tripalmitin is a high purity chemical substance having a certified value for purity, expressed as a mass fraction. It is intended for use in preparing calibrants for measurement of total glyceride in clinical samples

Reference Isotherms for Water Vapor Sorption on Nanoporous Carbon: Results of an Interlaboratory Study

May 26, 2023
Author(s)
Huong Giang Nguyen, Blaza Toman, Roger D. van Zee, Carsten Prinz, Matthias Thommes, Riaz Ahmad, David Kiska, Jamie Salinger, Ian Walton, Krista Walton, Darren Broom, Mike Benham, Humera Ansari, Ronny Pini, Camille Petit, Jurgen Adolphs, Andreas Schreiber, Toshihiro Shigeoka, Yuko Konishi, Kazuyuki Nakai, Matthias Henninger, Thomas Petrzik, Can Kececi, Vladimir Martis, Thomas Pasche, Enzo Mangano, Stefano Brandani

Certification of Standard Reference Material(R) 917d D Glucose (Dextrose)

March 1, 2023
Author(s)
Michael Nelson, Brian Lang, Blaza Toman, Jerome Mulloor
Standard Reference Material (SRM) 917d D Glucose (Dextrose) is certified as a chemical substance of known high purity. It is intended for use in calibrating measuring systems for glucose determinations employed in clinical analysis. A unit of SRM 917d

Methods for the SI Value Assignment of the Purity of Organic Compounds (IUPAC Technical Report)

January 18, 2023
Author(s)
David L. Duewer, Katrice Lippa, Brian Lang, Blaza Toman, Michael Nelson, Kenneth W. Pratt, Steven Westwood, Yoshitaka Yoshitaka Shimuzu, Takeshi Saito, Beatrice Lalerle, Xinhua Dai, Stephen Davies, Marina Ricci, Annarita Baldan, Stefan Sarge, Haifeng Wang, Ralf D. Josephs, Michal Mariassy, Dietmar Pfieffer, John Warren, Wolfram Bremser, Stephen L.R. Ellison, Ting Huang, Ales Fajgelj, Lindsey Mackay, Robert Wielgosz
Metrological traceability to the SI of the result of an analysis for an organic compound is achieved through a calibration hierarchy anchored in a primary calibrator of the compound, the mass fraction content of which is established in a manner traceable

Technical Framework for High Quality New Approach Methodologies (NAMs)

July 15, 2022
Author(s)
Elijah Petersen, John T. Elliott, John Gordon, Nicole Kleinstreuer, Emily Reinke, Matthias Roesslein, Blaza Toman
New approach methodologies (NAMs) are in vitro, in chemico, and computational approaches that can potentially be used to reduce animal testing. For NAMs that require laboratory experiments, it is critical that they provide consistent and reliable results

Errors-in-variables calibration with dark uncertainty

June 16, 2022
Author(s)
Christina Cecelski, Blaza Toman, Fong-Ha Liu, Juris Meija, Antonio Possolo
A model for errors-in-variables regression is described that can be used to overcome the challenge posed by mutually inconsistent calibration data. The model and its implementation are illustrated in applications to the measurement of the amount fraction

Certification of Standard Reference Material(R) 114r Portland Cement Fineness

June 6, 2022
Author(s)
Eduarda Votri, Blaza Toman, Paul E. Stutzman
The SRM 114 series for portland cement fineness has been provided by NIST since 1934 for use in calibrating instruments for measuring fineness characteristics of portland cement and other powdered construction materials. SRM 114r is the latest of this

Reference Material 8376 Microbial Pathogen DNA Standards for Detection and Identification

June 1, 2022
Author(s)
Jason Kralj, Dieter Tourlousse, Monique Hunter, Erica Romsos, Blaza Toman, Peter Vallone, Scott Jackson
Reference Material (RM) 8376 is intended for NGS-based measurements quantitative to the chromosome. A unit of RM 8376 consists of 20 components (A-T, 19 bacteria and 1 human) each containing well-characterized DNA in 10 mmol/L Tris-HCl, 1 mmol/L EDTA pH 8

Certification of Standard Reference Material(R) 3655 Glycans in Solution (Frozen)

April 12, 2022
Author(s)
Mark Lowenthal, Blaza Toman, Brian Lang, Karen W. Phinney
Standard Reference Material (SRM) 3655 is intended primarily for use as a calibration standard for the measurement of enzymatically released N-linked glycans. Applications of SRM 3655 include the benchmarking and comparability of analytical techniques, as