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Gaithersburg

Basic Metrology (Archive): Standardization of Am-243

A new standard solution of 243Am, an important radionuclide for the US and international environmental-measurements communities, was developed and disseminated

Basic Metrology (Archive): New Standardization of Ra-228

Measurements of radium isotopes in the naturally-occurring radioactive decay chains (i.e., 235U, 238U, and 232Th) are exceedingly important for various

Calibration Service: Air-Kerma Calibrations in Radiation Protection Level Cs-137 and Co-60 Gamma Ray Beams

The Dosimetry Group maintains and disseminates the national measurement standards for air-kerma (exposure) from 137Cs and 60Co gamma-ray beams and for absorbed

photon attenuation cross section measurements

Basic Metrology: Standard Reference Data on Radiation Interactions

NIST is in its eighth decade of providing critically evaluated, comprehensive databases of cross-section information for ionizing photons (x and gamma rays)

Comparisons: International Comparisons for Air-Kerma and Absorbed Dose to Water from Gamma-ray Beams

A bilateral comparison was conducted between NIST and the International Atomic Energy Agency (IAEA) to support international efforts for harmonizing radiation

Basic Metrology (Archive): Blind Measurement Comparisons of the USA and UK Pb-210 National Standards

The National Institute of Standards and Technology (NIST), Radioactivity Group, and the National Physical Laboratory (NPL) of the UK, exchanged 210Pb solution

Comparisons (Archive): International Comparison of Pu-241 Activity

All of the plutonium isotopes, which have a very high biotoxicity, are man-made and result from various nuclear activities. Plutonium-241 is a very low-energy

Comparisons (Archive): Technetium-99m Primary Standardization and International Comparison

Technetium-99m ( 99mTc) is used in two-thirds of all diagnostic nuclear medicine procedures in the United States.

Basic Metrology (Archive): New Statistical Analysis Tools

Members of the Radioactivity Group (RG) have been actively collaborating with statisticians in the NIST Statistical Engineering Division to identify new tools

Basic Metrology: Applications of Diagnostic X-ray Spectrometers

The Dosimetry Group designs, fabricates, and calibrates bent-crystal optics and diagnostic spectrometers for customers around the world.

New NIST SRM Helps Improve Diagnosis of Huntington's Disease

April 12, 2011

A new Standard Reference Material (SRM) from the National Institute of Standards and Technology (NIST) will help clinical genetics labs accurately diagnose

Free Online Tool Aids Decisions on Fire Sprinkler Systems for Homes

April 12, 2011

For the many states, communities, new-home builders and prospective buyers now mulling over the pluses and minuses of installing residential fire suppression

Sharpened Focus: Improving the Numbers, Utility of Medical Imaging

April 12, 2011

The idea of probing the body's interior with radiation stretches back to experiments with X rays in the 1800s, but more than a century later, images taken with

The Heat Is On: NIST Zeroes In On Energy Consumption of Ice Makers

April 12, 2011

In tests of four different types of new refrigerators, National Institute of Standards and Technology (NIST) researchers found that ice makers increased rated

Crowdsourcing Science History: NIST Digital Archives Seeks Help in Identifying Mystery Artifacts

April 12, 2011

Do you hold the key to solving some gadget mysteries from the last century of U.S. science and technology? In its 110 years, the National Institute of Standards

Basic Metrology: Theoretical Dosimetry and Radiation-Transport Calculations

The fundamental photon and charged particle interaction data and the radiation transport methods, pioneered and developed at NIST to calculate the penetration

NACMA 2011 Annual Workshop and Conference: Meet World Experts on GD&T, Dimensional Measurement Uncertainty, and Coordinate Measuring Machine (CMM) Accuracy

Wed, Nov 2 - Fri, Nov 4 2011

To contribute to the growth of expertise in coordinate measuring machine technology, improve measurement accuracy and

Basic Metrology (Archive): Radon Binding to Water-Soluble Cryptophane

Collaboration on investigating the thermodynamics of radon binding with a new and novel class of cryptophane molecules was completed with researchers from the

Applied: Methods in Neutron Detection and Spectroscopy

We continue to work improving techniques in fast neutron detection using segmented spectrometers based on the principle of capture-gating. Our approach employs

A Community-Building Workshop: Measuring, Evaluating and Improving the Usability of Electronic Health Records

Tue, Jun 7 2011

The purpose of the workshop is to establish an open forum for all stakeholders, including Industry, Academia, Government

Bertocci, Kirchhoff Honored as AAAS Fellows

January 13, 2009

National Institute of Standards and Technology (NIST) alumni researchers Ugo Bertocci and William H. Kirchhoff were recently elected as 2008 fellows of the

Seeking Excellence? Baldrige Conference Fulfills Your 'Quest'

January 13, 2009

Learn about the exceptional practices and results of the 2008 recipients of the Malcolm Baldrige National Quality Award at the Quest for Excellence (QE) XXI

Technology Innovation Program to Fund New Infrastructure Research

January 13, 2009

The National Institute of Standards and Technology (NIST) has announced nine awards for new research projects to develop advanced sensing technologies that

Leadership Yin-Yang on the Road to Performance Excellence

March 2011 The current budget situation for the federal government has me thinking a lot about yin and yang: action and reflection, short...

Conference to Focus on Anti-Counterfeiting, Consumer Protection

February 10, 2009

Representatives from business and government agencies concerned with intellectual property rights, particularly those concerning electronic devices, will gather

ComSci Fellowship Program Accepting Applications for 2009-2010

February 24, 2009

Senior federal employees who want a broader perspective on the development of the nation's science and technology policy are invited to apply for the Commerce

April Workshop Takes Aim at Obstacles to Nanotech Energy Technologies

March 10, 2009

Most processes governing the generation, conversion, and transport of energy occur at the nanoscale. Exploring the new measurement and materials'

Conference on Safeguarding Health Information, May 18-19

March 24, 2009

Most people's experience with the Health Insurance Portability and Accountability Act (HIPAA) consists of a quick glance at a photocopied document at the doctor

NIST Stairwell Evacuation Study Finds 'What We Know We Don't Know'

March 24, 2009

Most of the time, we use the stairs in buildings—especially in high-rise structures—only as a back-up for faster elevators and escalators, but during a fire or

Flatland Physics Probes Mysteries of Superfluidity

March 24, 2009

If physicists lived in Flatland—the fictional two-dimensional world invented by Edwin Abbott in his 1884 novel—some of their quantum physics experiments would