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NIST Authors in Bold

Displaying 11451 - 11475 of 13225

Smart Clocks Have a Hand in the Smart Grid

July 29, 2011
Author(s)
Jeffrey Fletcher, Dhananjay Anand, Maruthi Chaluvadi, Julien M. Amelot, Ya-Shian Li-Baboud, James Moyne
… (Coordinated Universal Time). Along with these advances in clock synchronization must come a shift in the way analysis is performed. Modeling techniques must … the power grid, and presents a few projects related to the technology. Preliminary work has demonstrated the ability of …

Characterization of Three Berry Standard Reference Materials for Nutrients

June 30, 2011
Author(s)
Laura J. Wood, Katherine E. Sharpless, Monique Pichon, Barbara J. Porter, James H. Yen
… The National Institute of Standards and Technology (NIST) has been working with the National … and amino acids. These new materials are intended for use in method development and validation as well as for quality … assurance and traceability when assigning values to in-house control materials. Foods can be difficult to analyze …

Calorimetric Sensors

April 15, 2011
Author(s)
Richard E. Cavicchi
… as the pellistor, considerable research has taken place in the last two decades to produce miniature devices that use … can provide information about chemical composition. The technology for miniaturization of calorimetric devices is also finding new applications in the area of biosensors. This review includes an …

Polarized neutron beam properties for measuring parity-violating spin rotation in liquid He4

December 14, 2010
Author(s)
A M. Micherdzinska, C. D. Bass, T. D. Bass, K. F. Gan, D Lou, D M. Markoff, Hans Pieter Mumm, Jeffrey S. Nico, A. K. Opper, E I. Sharapov, M Snow, H E. Swanson, V Zhumabekova
… analysis of a class of possible systematic uncertainties in neutron spin rotation measurements associated with the … beam-line at the National Institute of Standards and Technology Center for Neutron Research. We conclude that the phase space nonuniformities of the polarimeter in this beam are small enough that a parity-violating neutron …

Exploring the Borderland between Physics and Chemistry: Theoretical Methods in the Study of Atomic Clusters

December 10, 2010
Author(s)
Yamil Simon, Carlos A. Gonzalez, Patricio Fuentealba
… research theme, but also one of great practical importance in developing new technologies [1 and references therein]. … and illustrated. We discuss the theoretical tools used in cluster studies to describe the chemical bonding and to predict chemical reactivity. In particular, we emphasize the use of the Electron …

Elemental Analysis of a Single-Walled Carbon Nanotube Candidate Reference Material

October 15, 2010
Author(s)
Rolf L. Zeisler, Rick L. Paul, Rabia Oflaz, Lee L. Yu, Jacqueline L. Mann, William R. Kelly, Brian E. Lang, Stefan D. Leigh, Jeffrey A. Fagan
… been prepared by the National Institute of Standards and Technology for characterization and distribution as Standard … by the National Research Council Canada was included in the studies. Catalyst residues at percent mass fraction … determined with NAA and ICP-MS procedures. The results in the investigated materials agreed well among the NAA and …

Flow Visualization Techniques for the Evaluation of Non-Contact Trace Contraband Detectors

August 1, 2010
Author(s)
Matthew E. Staymates, Wayne Smith, John G. Gillen, Richard T. Lareau, Robert A. Fletcher
… Efforts are underway in the Surface and Microanalysis Science Division at the National Institute of Standards and Technology to study trace aerodynamic sampling of explosive … is the critical front-end process for effective detection. In this paper, various visualization techniques are employed …

Best Practice Guidelines for Pre-Launch Characterization and Calibration of Instruments for Passive Optical Remote Sensing

November 1, 2009
Author(s)
Raju V. Datla, Joseph P. Rice, Keith R. Lykke, Bettye C. Johnson, James J. Butler, Xiaoxiong Xiong
… sensing instruments should be planned and carried out in conjunction with their design and development to meet the mission requirements. In the case of infrared instruments, the onboard calibrators … experience gained at National Institute of Standards and technology (NIST), National Aeronautics and Space …

Gypsum Stairwell Enclosure Wall System Tests under Uniform Static Pressure

July 22, 2009
Author(s)
Hai S. Lew
… report of the National Institute of Standards and Technology recommended that the design, functional integrity, … proposal required that for all buildings more than 420 ft in height, the exit stairway enclosure wall surface should be … stairway enclosure assemblies, which are commonly used in high-rise construction, subjected to a uniform static …

A Multi-site Assessment of Precision and Reproducibility of Multiple Reaction Monitoring-based Measurements: Toward Quantitative Protein Biomarker Verification in Human Plasma

June 28, 2009
Author(s)
Nathan G. Dodder, Terri Addona, Susan Abbatiello, Birgit Schilling, Steven Skates, D.R. Mani, David M. Bunk, Clifford Spiegelman, Lisa Zimmerman, Amy-Joan Ham, Hasmik Keshishian, Steven Hall, Simon Allen, Ronald Blackman, Christoph Borchers, Charles Buck, Helene Cardasis, Michael Cusack, Bradford Gibson, Jason Held, Tara Hiltke, Angela Jackson, Eric Johansen, Christopher Kinsinger, Jing Li, Mehdi Mesri, Thomas Neubert, Richard Niles, Trenton Pulsipher, Henry Rodriguez, Paul A. Rudnick, Derek Smith, David Tabb, Tony Tegeler, Henry Variyath, Lorenzo Vega-Montoto, Asa Wahlander, Sofia Waldemarson, Mu Wang, Jeffrey Whitaker, Lei Zhao, N. Leigh Anderson, Susan Fisher, Daniel Liebler, Amanda Paulovich, Fred Regnier, Paul Tempst, Steven Carr
… proteins, and is increasingly viewed as a critical step in the biomarker discovery pipeline that bridges unbiased … quantitative measurements of candidate protein biomarkers in plasma, reproducibility and transferability of these … protocols, we demonstrate that MS-based assays of proteins in plasma can be sensitive and highly reproducible across …

1V and 10V SNS Programmable Voltage Standards for 70 GHz

June 3, 2009
Author(s)
Franz Mueller, Ralf Behr, T. Weimann, Luis Palafox, David I. Olaya, Paul Dresselhaus, Samuel Benz
… Programmable Josephson voltage standards (PJVSs) in combination with fast switchable DC current sources have opened up new applications in the field of low frequency AC metrology. The growing interest in output voltages of up to 10 V initiated efforts by …

A Ferroelectric Oxide Directly on Silicon

April 17, 2009
Author(s)
Joseph C. Woicik, Maitri P. Warusawithana, Cheng Cen, Charles R. Sleasman, Yulan Li, Jeffery Kluga, Lena F. Kourkoutis, Hao Li, Li-Peng Wang, Michael Bedzyk, David A. Muller, Long-Qing Chen, Jeremy Levy, Darrell G. Schlom
… for the first time, ferroelectric functionality in intimate contact with silicon. Using piezo-force microscopy we observe ferroelectricity in ultra-thin, strained, SrTiO3 layers grown by oxide molecular-beam epitaxy in direct contact with silicon with no interfacial silicon …

NAA Characterization of the New Bovine Liver SRM

October 16, 2008
Author(s)
Rolf L. Zeisler, W. D. James, Elizabeth A. Mackey, Rabia Oflaz, Robert R. Greenberg
… The National Institute of Standards and Technology (NIST) is preparing a freeze-dried powdered bovine … exhausted during 2006. Like the original SRM 1577 issued in 1972, this renewal focuses on the key elements for … 31 freshly slaughtered steers. The preparation resulted in 1840 units of the proposed SRM 1577c. NIST's approach for …

NIST Radiance Temperature and Infrared Spectral Radiance Scale at Near-Ambient Temperatures

October 16, 2008
Author(s)
Sergey Mekhontsev, V B. Khromchenko, Leonard Hanssen
… of spectral radiance and radiance temperature scales in the temperature range of -50 C to 250 C and spectral range … of 3 m to 13 m at the National Institute of Standards and Technology is described. The scale is source-based and is … of transfer standard blackbodies indicates need in development of a recommended practice for their …

Schlieren Imaging in Materials Processing

October 16, 2008
Author(s)
Steven P. Mates
… it to visualize sock waves cast by a supersonic bullet in 1888, the schlieren optical technique has been a valuable diagnostic tool in fluid mechanics, particularly int he fields of … Recent advances in high-speed, high resolution CCD imaging technology have faciliated high quality imaging of dynamic …

Web Services Security: Techniques and Challenges (Extended Abstract)

July 21, 2008
Author(s)
Anoop Singhal
… secure web services. This paper is based on our experience in developing the National Institute of Standards and Technology (NIST) Special Publication SP 800-95, "Guide to … of alternate countermeasures are essential. Defense-in-depth through security engineering, secure software …

Practical Combinatorial Testing: Beyond Pairwise

June 1, 2008
Author(s)
David R. Kuhn, Yu Lei, Raghu N. Kacker
… that occur only when multiple components interact. In pairwise testing, all possible pairs of parameter values … are available to generate arrays with the value pairs. In the past few years, advances in covering-array algorithms, … pairwise tests. The US National Institute of Standards and Technology (NIST) and the University of Texas, Arlington, are …
Displaying 11451 - 11475 of 13225
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