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Gaithersburg

Nine NIST Staff Become New APS Fellows

December 9, 2008

Nine staff members of the National Institute of Standards and Technology (NIST) have been elected new fellows of the American Physical Society, the largest

Belgium to Host First Conference for New Hash Algorithm Competition

December 9, 2008

The National Institute of Standards and Technology (NIST) has announced the first conference on an open cryptographic competition to select a new "hash"

Carbon Nanofibers Cut Flammability of Upholstered Furniture

December 9, 2008

Carbon, the active ingredient in charcoal, is normally not considered a fire retardant, but researchers at the National Institute of Standards and Technology

$Researcher Bill George$

Sevenfold Accuracy Improvement for 3-D 'Virtual Reality' Labs

December 9, 2008

Scientists at the National Institute of Standards and Technology (NIST) have developed software that improves the accuracy of the tracking devices in its

Dressed to Kill: From Virus to Vaccine

December 9, 2008

In a pioneering effort, researchers at the National Institute of Standards and Technology (NIST) and the University of Queensland in Australia have successfully

NIST Posts 51 Entries for New Hash Algorithm Competition

December 23, 2008

The National Institute of Standards and Technology (NIST) has announced the first-round candidates for its open cryptographic competition to select a new state

NIST Seeks White Papers on Critical National Needs

December 23, 2008

The National Institute of Standards and Technology (NIST) is interested in detailed pitches for critical national and societal needs that could be the basis for

'New and Improved' Baldrige Criteria Now Available

December 23, 2008

The Baldrige Criteria for Performance Excellence—described by one industry CEO as "probably the single most influential document in the modern history of

NIST Guides Genetic Genealogy Labs Toward Improved Accuracy

December 23, 2008

Anyone who has watched crime dramas on TV knows that forensic scientists can use DNA "profiling" to identify people from evidence gathered at a crime scene

Typical low-k film test for material toughness using the new NIST technique.

Cracking a Tough Nut for the Semiconductor Industry

December 23, 2008

Researchers at the National Institute of Standards and Technology (NIST) have developed a method to measure the toughness—the resistance to fracture—of the thin

Guest researcher John Jendzurski prepares the NIST electromagnetic phantom for passage through the walk-through metal detector behind it.

Electromagnetic Phantom Exorcises Specters of Metal Detector Tests

December 23, 2008

In the comics, the Phantom is a masked crimefighter who protected the innocent from pirates, hijackers and other evildoers. While not as dashing or exciting as

Dosimetry_ResearchandMetrology_PhotonAbsorbedDose_pic_Tosh

Photon Absorbed-Dose-to-Water Primary Standards

Computational and experimental studies to obtain correction factors for heat defect, heat transfer and scattering/perturbation for the water calorimeter in both

Medical: Calibrated Phantoms for Monitoring PET and SPECT Scanner Performance in Clinical Trials

The interpretation of quantitative imaging data obtained from Positron Emission Tomography (PET) and Single-Photon Emission Computed Tomography (SPECT) studies

Polymer Composites

The purpose of this project is to quantify the role that the fiber-matrix interphase plays in initiating and propagating damage in polymer matrix composites

Radiation Protection: Support of the Navy Dosimetry Program

The U.S. Navy uses thermoluminescent dosimeters (TLDs) to monitor personnel for radiation exposure.

Security: Air-Kerma Measurements in High Energy X-ray Beams

Cargo-inspection systems employ high-energy x-ray beams from accelerators. These systems are designed to detect potential threats that may be present in cargo

Calibrations: Portable Manganese Sulfate Bath

NIST also operates a portable Manganese Sulfate bath that is smaller than the primary bath. The latter feature allows it to measure the emission rate of sources

Security (archive): X-ray Systems for Cargo and Vehicle Inspection Systems

The Dosimetry Group provides support to the Department of Homeland Security (DHS) in their evaluation of cargo and vehicle inspection systems. Our support for

Documentary Standards: X-ray Security Screening Applications

The primary objective of this project is to assure the technical performance and radiation safety of the nation's x-ray and gamma-ray security screening efforts

Security: Standards Development for Detection of Illicit Trafficking of Radioactive

The National Institute of Standard and Technology (NIST) is working in the development of ANSI/IEEE and IEC standards for the detection of illicit trafficking

Imaging: Characterization of Porous Transport Media for Hydrogen Fuel Cells

Efficiently managing water transport in proton exchange membrane fuel cells (PEMFCs) is critical to the performance, cost, and durability in order for this

The Polyvalent Gold Nanoparticle Conjugate Material Synthesis, Biodiagnostics, and Intracellular Gene Regulations

Fri, Apr 29 2011

Over the past decade we have developed methods for modifying nanoparticles with oligonucleotides and explored how they

timeline of neutron detector image spatial resolution

Imaging: Evolution of Neutron Image Detector Spatial Resolution

Measuring the through-plane water content in a hydrogen fuel cell is critical to understanding this complicated heat and mass transport environment, where the

Basic Metrology: Dose/Dose-Rate Effects in Alanine Dosimetry

Check standards are used by the NIST Radiation Physics Division to monitor the performance of the alanine dosimetry system that is central to its high-dose

Smart Grid Panel Agrees on Standards and Guidelines for Wireless Communication, Meter Upgrades

April 19, 2011

Gaithersburg, Md. – The governing board of the public-private Smart Grid Interoperability Panel (SGIP) has voted in favor of a new standard and a set of

Comparison: Co-60 Absorbed Dose for High-Dose Dosimetry

NIST participated in an international comparison of standards for absorbed dose to water for 60Co gamma radiation at radiation-processing dose levels organized

High Flux Backscattering Spectrometer (HFBS)

The NCNR backscattering spectrometer is one of the highest intensity instruments of its kind. It enables very high energy resolution studies of the low

Imaging: Neutron Tomography of Hydrogen Storage Bed

Future hydrogen fuel cell vehicles will require hydrogen storage vessels that efficiently store and quickly release the hydrogen fuel. The hydrogen uptake in

Imaging: Neutron Imaging of Lithium and Alkaline Batteries

A common topic in energy systems is the need for in situ measurement of the mass transport of light ion species such as hydrogen or lithium. Neutron imaging has

Calibration Services: Low-Energy Photon Brachytherapy Sources

Small radioactive "seed" sources used in prostate brachytherapy, containing the radionuclides 103Pd, 125I, or 131Cs, are calibrated in terms of air-kerma

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