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NIST Authors in Bold

Displaying 2651 - 2675 of 17262

Ohms Law Low-current Calibration System for Ionization Chambers

August 24, 2020
Author(s)
Dean G. Jarrett, Shamith U. Payagala, Ryan P. Fitzgerald, Denis E. Bergeron, Jeffrey T. Cessna, Charles J. Waduwarage Perera, Neil M. Zimmerman
… 1 pA to 20 nA, traceable to quantum voltage and resistance standards through an 8-1/2 digit digital voltmeter and the … electrometer, ionization chamber, quantum electrical standards, standard resistor, small current measurement …

Baseline Assessment of 25-Hydroxyvitamin D Assay Performance: A Vitamin D Standardization Program (VDSP) Interlaboratory Comparison Study

August 18, 2017
Author(s)
Christopher T. Sempos, Stephen Wise, Karen W. Phinney, Susan Tai, Johanna Camara, Gary L. Myers, Ramon Durazo-Arvizu, Lu Tian, John H. Eckfeldt, Andrew N. Hoofnagle, W. Greg Miller, Lorin M. Bachmann, Ian S. Young, J Pettit, G. Caldwell, A Liu, S P. Brooks, K. Sarafin, M. Thamm, C. Scheidt-Nave, G. B. Mensink, M. Busch, M. Rabenberg, Kevin Cashman, Mairead Kiely, Michael Kinsella, K Galvan, J. Y. Zhang, K OH, S. W. Lee, C. L. Jung, L. Cox, G. Goldberg, K. Guberg, S. Meadows, A. Prentice, G. Swan, A. Tedstone, Graham D. Carter, Julia C. Jones, P. Brannon, R. M. Lucas, P. M. Crump, Glenville Jones, E. Cavalier, Joyce Merkel, J. M. Betz
… The Vitamin D Standardization Program (VDSP) coordinated an interlaboratory … benchmark for evaluation of 25(OH)D assay performance and standardization activities in the future. … of 25-Hydroxyvitamin D Assay Performance: A Vitamin D Standardization Program (VDSP) Interlaboratory Comparison …

Samples and Standards

December 13, 2004
Author(s)
Richard M. Lindstrom, C Yonezawa
… optimum sample size and shape is discussed. Preparation of standards and blanks for PGAA is outlined. … Samples and Standards …

The Second National Ballistics Imaging Comparison (NBIC-2)

January 5, 2015
Author(s)
Theodore V. Vorburger, James H. Yen, Jun-Feng Song, Robert M. Thompson, Thomas Brian Renegar, Xiaoyu Alan Zheng, D Ott, Martin G. Ols
… Material (SRM) 2461 Cartridge Cases were used as reference standards, and 14 experts from 11 U.S. crime laboratories …

The National Ballistics Imaging Comparison (NBIC) Project

March 10, 2012
Author(s)
Jun-Feng Song, Theodore V. Vorburger, Susan M. Ballou, Robert M. Thompson, James H. Yen, Thomas Brian Renegar, Xiaoyu Alan Zheng, Richard M. Silver, Martin Ols
… Bullets and 2461 Cartridge Cases are used as reference standards. 19 ballistics examiners from 13 U.S. crime …

1997 Annual Report on the Implementation of Office of Management and Budget (OMB) Circular A-119 and P.L. 104-113

October 1, 1999
Author(s)
P W. Cooke, Belinda L. Collins, K J. Leuteritz
… to OMB on Federal agency participation in voluntary standards activities. This report also describes fulfillment … of the Technology Transfer Act regarding use of voluntary standards and participating in private sector standardization … and coordinating roles of the National Institute of Standards and Technology. Further actions are recommended to …

Apparel STEP Translator

January 1, 1991
Author(s)
Howard T. Moncarz, Yung-Tsun Lee
… model previously developed at the National Institute of Standards and Technology (NIST) for apparel pattern data. The …

Evaluation of Sustainable High-Volume Fly Ash Concretes

January 1, 2011
Author(s)
Alejandro Duran-Herrera, Cesar Juarez, P Valdez, Dale P. Bentz
… of México and a polycarboxylate superplasticizer (SP) in the production of conventional concrete. The different … the highest water reduction through the use of an optimum SP dosage that resulted in reductions of 18%, 15% and 11% … w/b. The paper highlights the beneficial effect of the SP in terms of cement reduction and slump retention. …

Plant and fungal Fpg homologs are formamidopyrimidine DNA glycosylases but not 8-oxoguanine DNA glycosylases

May 1, 2009
Author(s)
Scott D. Kathe, Ramiro Barrantes-Reynolds, Pawel Jaruga, Michael Newton, Cynthia Burrows, Viswanath Bandaru, Miral M. Dizdar, Jeffrey Bond, Susan Wallace
… guanidinohydantoin (Gh), and spiroiminodihydantoin (Sp) and bacterial Nei proteins recognizing primarily damaged … glycosylase substrates for both enzymes were Gh and Sp, the oxidation products of 8-oxoG, with the best substrate … plant and fungal glycosylases were most active on Gh and Sp, less active on oxidized pyrimidines and exhibited very …

Production, purification and characterization of 15N5-labeled cis- and trans-aflatoxin B1-formamidopyrimidines, and aflatoxin B1-N7-guanine as internal standards for mass spectrometric measurements

April 11, 2023
Author(s)
Pawel Jaruga, Melis Kant, Miral M. Dizdar, Rachana Tomar, Vladimir Vartanian, Benjamin Sexton, Carmelo Rizzo, Robert Turesky, Michael Stone, R. Stephen Lloyd
… analogues of AFB1-N7-Gua and AFB1-FapyGua as internal standards afforded the greatest accuracy and sensitivity for … have been synthesized and used successfully as internal standards. However, the availability of these standards from either academic institutions or commercial …

The Optimal Pricing of Publicly Supplied Private Goods: A Case Study of NIST Standard Reference Materials

June 1, 1999
Author(s)
S Fuller, J J. Cordes
… of the model is applied to the pricing problem of the Standard Reference Materials Program (SRMP) at the National … that yield welfare-optimizing prices and quantities.the Standard Reference Materials Program (SRMP) at the National … public enterprises, optimal pricing, Ramsey prices, standard reference materials, user fees, welfare maximization …

Standard Reference Material for Her2 Testing: Report of a National Institute of Standards and Technology-Sponsored Consensus Workshop

June 1, 2003
Author(s)
M E. Hammond, Peter E. Barker, S Taube, S Gutman
… A workshop was sponsored by National Institute of Standards and Technology (NIST) Cancer Diagnosis Program of … for Her2 gene protein testing. It was agreed that such a standard was desirable and necessary to assure the … will be produced; one which will be a NIST certifiable standard and one will be commercially developed standards for …

Natural Gas Flow Calibration Service

August 1, 2008
Author(s)
Aaron N. Johnson
… Iowa. A parallel array of nine turbine meter working standards (TMWS) are used to calibrate customer flowmeters … flows). All flowmeter calibrations are traceable to NIST standards. In particular, each of the nine TMWS is traceable to the NIST's primary flow standards via a bootstrap process using critical flow …

NIST-IMGC Comparison of Gas Flows Below 1 Liter per Minute

June 13, 2003
Author(s)
Robert F. Berg, G Cignolo
… We compared the IMGC and NIST standards for small gas flows at the IMGC. The IMGC standard … transfer standard that was calibrated against two primary standards at NIST. The first NIST primary extracts a large …

A single-atom optical clock with high accuracy

July 14, 2006
Author(s)
Windell Oskay, Scott A. Diddams, Elizabeth A. Donley, Tara M. Fortier, Thomas P. Heavner, Leo W. Hollberg, Wayne M. Itano, Steven R. Jefferts, M J. Jensen, Kyoungsik Kim, F Levi, Thomas E. Parker, James C. Bergquist
… For the past fifty years, atomic frequency standards based on the cesium ground-state hyperfine … One of the most accurate, current-generation, cesium standards is the NIST-F1 fountain, which has recently been … superior to that of the best present-day cesium frequency standards. …

Standardization of 64Cu activity

May 25, 2018
Author(s)
Denis E. Bergeron, Jeffrey T. Cessna, Ryan P. Fitzgerald, Leticia S. Pibida, Brian E. Zimmerman
… and Technology (NIST) has completed a primary activity standardization of a 64CuCl2 solution using the … Standardization of 64Cu activity …
Displaying 2651 - 2675 of 17262
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