NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.
Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.
An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Jae H. Lee, Steven J. Fenves, Conrad E. Bock, Sudarsan Rachuri, Hyo-Won Suh, Xenia Fiorentini, Ram D. Sriram
Supporting different stakeholder viewpoints across the products entire lifecycle requires semantic richness to represent product related information and thus
The formation of ligand-protected transition metal nanoclusters in size-selective syntheses is driven by the inherent properties of the protecting ligands. We
Alexander Y. Smolyanitsky, Jason P. Killgore, Vinod K. Tewary
We describe the results of Brownian dynamics (BD) simulations of an AFM tip scanned on locally suspended few-layer graphene. The effects of surface compliance
Yong Shen Chua, Hui Wu, Wei Zhou, Terrence J. Udovic, Guotao Wu, Zhitao Xiong, Ming Wah Wong, Ping Chen
The monoammoniate of calcium amidoborane, Ca(NH 2BH 3) 2¿NH 3 was synthesized by ball milling an equimolar mixture of CaNH and AB. Its crystal structure has
Tracey Johnston, Sarah Newton, Karl Brenkert, John Leffler, Dan Bearden
Aquaculture produces a significant source of protein for global human consumption. Commercial fish diets rely heavily on fishmeal and fish oil, which can be
The use of X-ray photoelectron spectroscopy (XPS) for the analysis of protein adsorption on materials relevant to biomanufacturing of protein drug products is
Balasubramanian Muralikrishnan, Jack A. Stone Jr., Craig M. Shakarji, John R. Stoup
The tip of a traditional CMM probe used for measurements of macro-scale artifacts is generally a sphere of excellent geometry. Its known diameter (from a prior
Short tandem repeats (STRs) are accordion-like regions of the human genome that vary in length (through expansion or contraction) with a core repeated DNA
Catherine A. Rimmer, Melissa M. Phillips, Hendrik Emons, Jane Weitzel, John Budin, Donna Zink
At the 2011 AOAC International Annual Meeting, the Technical Divisions on Reference Materials (TDRM) and Laboratory Management (TDLM) arranged a workshop
Sheetal S. Pai, Frank Heinrich, Adam L. Canady, Todd M. Przybycien, Robert D. Tilton
Neutron reflection was used to characterize the adsorbed layer structure for lysozyme conjugated at the N-terminus with a single perdeuterated methoxy poly
Eric L. Shirley, Joshua J. Kas, J. T. Vinson, Fernando D. Vila, John J. Rehr
Theoretical optical and x-ray spectra of model structures of water and ice are calculated using a many-body perturbation theory, Bethe-Salpeter equation (BSE)
Pavel Kabos, Thomas M. Wallis, H P. Hubner, I. Humer, M. Hochleitner, M. Fenner, M. Moertelmaier, C. Rankl, Atif A. Imtiaz, H. Tanbakuchi, P. Hinterdorfer, J. Smoliner, Joseph J. Kopanski, F. Kienberger
The scanning microwave microscope (SMM) is used for calibrated capacitance spectroscopy and spatially resolved dopant profiling measurements. It consists of an
The National Institute of Standards and Technology (NIST) is conducting a multi-year study, with the support of the National Institute of Justice (NIJ) and the
Harshita Kumari, Andrew V. Mossine, Steven R. Kline, Cindi L. Dennis, Drew A. Fowler, Simon J. Teat, Charles L. Barnes, Carol A. Deakyne, Jerry L. Atwood
Puzzling out the intricacies associated with formation of supramolecular structures provides insight into and control of the self-assembly process. Such control
Thomas J. Bruno, Jessica L. Burger, Evgenii Baibourine
There is a great deal of interest in formulating oxygenated diesel fuels that produce low particulate emissions. In this paper, the fourth in a series of papers
Andrei F. Kazakov, Chris D. Muzny, Kenneth G. Kroenlein, Vladimir Diky, Robert D. Chirico, Joe W. Magee, Ilmutdin M. Abdulagatov, Michael D. Frenkel
A new data model for storage of experimental thermophysical and thermochemical property data was developed and implemented for NIST/TRC SOURCE data archival
Jeanice M. Brown Thomas, David L. Duewer, Lane C. Sander, Katherine E. Sharpless, Lorna T. Sniegoski, Michael J. Welch, James H. Yen, Mugenya O. Isaac
Standard Reference Material 968e Fat-Soluble Vitamins, Carotenoids, and Cholesterol in Human Serum provides certified values for total retinol, γ- and α
Katrice A. Lippa, Kevin Bisceglia, A. Lynn Roberts
We report a streamlined procedure for the routine analysis of cocaine in municipal wastewater. By adding NaOH (to 0.025 M) and incubating wastewater samples at
A review on the use of sharp, fixed-profile indenters as materials probes is presented. Indentation is proposed as a simple but powerful methodology for
Xuelei X. Liang, Brent A. Sperling, Irene G. Calizo, Guangjun Cheng, Christina Hacker, Qin Zhang, Yaw S. Obeng, Kai Yan, Hailin Peng, Qiliang Li, Xiaoxiao Zhu, Hui Yuan, Angela R. Hight Walker, Zhongfan Liu, Lianmao Peng, Curt A. Richter
We present the results of a thorough study of wet chemical methods for transferring chemical vapor deposition grown graphene from the metal growth substrate to
Andrew Allen, Jeffrey J. Thomas, Hamlin M. Jennings
Alkali-activated slag (AAS) paste was analyzed using small-angle neutron scattering. The scattering response indicates that the microstructure consists of a
Michele M. Schantz, Adriaan van der Veen, Hugo Ent, Annaratia Baldan, Valnei Cunha, Romeu Daroda, Manuela Ulberth-Buchgraber, Brian E. Lang, Andrea Held, Ruth Hearn, Richard Brown, Paul Brewer
The main objective of the BIOREMA (Reference Materials for Biofuel Specifications) project is the development of two test materials (one bio-ethanol material
Each year, wildland fires threaten structures and occupants of the wildland-urban interface (WUI). Currently, wildfire ignition estimates largely exclude
Francisco J. Atencia, Gregory A. Cooksey, Laurie E. Locascio
This manuscript describes a new method to generate purely diffusive chemical gradients that can be modified in time. The device is simple in its design and easy
We develop a metric to quantify the accuracy with which measured scattering parameters can be cascaded. We use the metric to compare four rectangular-waveguide
We consider general weighted surface energies, where the energies have the form of weighted integrals over a closed surface and the weight depends on the normal
Hae-Wook Yoo, Lee J. Richter, Hee-Tae Jung, Chris A. Michaels
We report surface plasmon polariton (SPP) mediated Raman microscopy on dielectric films in contact with a Ag layer at 785 nm with spatial resolution approaching
The effect of the charged lidocaine on the structure and dynamics of DMPC/DMPG (mass fraction of 95/5}) unilamellar vesicles has been investigated. Changes in