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Search Publications by: Paul C. DeRose (Fed)

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Displaying 1 - 25 of 66

Standardization of Flow Cytometric Detection of Antigen Expression

January 25, 2024
Author(s)
Linhua Tian, Aaron Nelson, Tyler Lowe, Linda Weaver, Constance Yuan, Paul C. DeRose, Maryalice Stetler-Stevenson, Lili Wang
Background: While response to antigen-based immunotherapy relies upon the level of antigen expression by tumor cells and as decreasing levels of antigen expression can be an early indicator of developing resistance to therapy, we have developed an antigen

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

Size and Number Concentration Measurements of Polystyrene Nanoparticle Suspensions using Several Different Techniques

September 8, 2022
Author(s)
Paul C. DeRose, Kurt D. Benkstein, Elzafir B. Elsheikh, Adolfas K. Gaigalas, Sean Lehman, Dean C. Ripple, Linhua Tian, Wyatt N. Vreeland, Adam York, Yu-Zhong Zhang, Lili Wang
The number concentrations of nominal 100 nm, 200 nm and 500 nm diameter, fluorescently-labeled polystyrene nanosphere suspensions were measured using seven different techniques. Diameter values were also measured where possible. The diameter values were

Metrological Tools for the Reference Materials and Reference Instruments of the NIST Material Measurement Laboratory

September 16, 2021
Author(s)
Carlos R. Beauchamp, Johanna Camara, Jennifer Carney, Steven J. Choquette, Kenneth D. Cole, Paul C. DeRose, David L. Duewer, Michael Epstein, Margaret Kline, Katrice Lippa, Enrico Lucon, John L. Molloy, Michael Nelson, Karen W. Phinney, Maria Polakoski, Antonio Possolo, Lane C. Sander, John E. Schiel, Katherine E. Sharpless, Michael R. Winchester, Donald Windover
The National Institute of Standards and Technology (NIST), formerly the National Bureau of Standards, was established by the U.S. Congress in 1901 and charged with establishing a measurement foundation to facilitate U.S. and international commerce. NIST

Introduction and Clinical Validation of Metrology Standards for Immunohistochemistry

December 21, 2020
Author(s)
Emina E. Torlakovic, Seshi Sompuram, Vani Kodela, Anika Schaedle, Paul DeRose, Steve Bogen, Lili Wang
Despite the widespread integration of immunohistochemistry (IHC) into routine surgical pathology, its use suffers from significant inter-laboratory disparities. The root cause and an unsolved technical challenge is the lack of metrology standards, the

Expanding NIST’s Calibration of Fluorescent Microspheres for Flow Cytometry to More Fluorescence Channels and Smaller Particles

September 16, 2020
Author(s)
Paul C. DeRose, Linhua Tian, Elzafir B. Elsheikh, Aaron A. Urbas, Yu-Zhong Zhang, Lili Wang
NIST, NIH and other industry stakeholders have been working together to enable fluorescence intensities of flow cytometer calibration beads to be assigned quantitative 'ERF' values with high accuracy and precision. The ultimate goal of this effort is to

Measurement and Standardization Challenges for Exosome-Based Delivery Vectors

September 4, 2020
Author(s)
Bryant C. Nelson, Lili Wang, Samantha D. Maragh, Paul C. DeRose, Elzafir B. Elsheikh, Wyatt N. Vreeland, Ionita Ghiran, Jennifer Jones
Extracellular vesicles (EVs), and in particular exosomes, have the potential to revolutionize the development and efficient delivery of clinical therapeutics. In this Perspective, we focus on providing a brief introduction to the landscape of exosome-based

Metrological Tools for the Reference Materials and Reference Instruments of the NIST Material Measurement Laboratory

July 15, 2020
Author(s)
Carlos R. Beauchamp, Johanna Camara, Jennifer Carney, Steven J. Choquette, Kenneth D. Cole, Paul C. DeRose, David L. Duewer, Michael Epstein, Margaret C. Kline, Katrice Lippa, Enrico Lucon, Karen W. Phinney, Maria Polakoski, Antonio Possolo, Katherine E. Sharpless, John R. Sieber, Blaza Toman, Michael R. Winchester, Donald Windover
The National Institute of Standards and Technology (NIST), formerly the National Bureau of Standards, was established by the U.S. Congress in 1901 and charged with establishing a measurement foundation to facilitate U.S. and international commerce. NIST

NIST Spectroscopic Measurement Standards

May 1, 2018
Author(s)
Paul C. DeRose, Kenneth D. Cole, Aaron Urbas, Steven J. Choquette, Evelyn Solis, Erica V. Stein, John E. Schiel, Brian Lang, Hua-Jun He
Ultraviolet (UV) absorbance measurements provide a rapid and reliable method to determine protein concentrations. The National Institute of Standards and Technology (NIST) has developed Standard Reference Material (SRM) 2082as a pathlength standard for UV

The NISTmAb Reference Material 8671 Value Assignment, Homogeneity, and Stability

March 1, 2018
Author(s)
John E. Schiel, Abigail Turner, Catherine A. Mouchahoir, Katharina S. Yandrofski, Srivalli Telikepalli, Jason King, Paul C. DeRose, Dean C. Ripple, Karen W. Phinney
The NISTmAb Reference Material (RM) 8671 is intended to be the common industry standard monoclonal antibody for pre-competitive research in harmonizing current state-of-the-art technology and designing next generation characterization technologies for
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