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Chemistry Programs & Projects

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Evaluation of Uncertainty in Brachytherapy Dosimetry
Last Updated Date: 06/26/2012

NIST is participating in Task Group # 138 (TG-138) of the American Association of Physicists in Medicine (AAPM), AAPM Recommendations on Assessing … more

Calibrations of a Miniature X-ray Source Used for Electronic Brachytherapy
Last Updated Date: 06/26/2012

A new laboratory dedicated to establishing a national primary air-kerma rate standard for Xoft's AXXENT™ miniature x-ray source has been … more

Applications of Diagnostic X-ray Spectrometers
Last Updated Date: 06/26/2012

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

Expansion of the NIST Law Enforcement Test Bed for Trace Contraband Detection
Last Updated Date: 06/04/2012

The terrorist attacks of September 11, 2001, led to an unprecedented deployment of technologies in the field designed to screen people and their … more

WWV Broadcast Format
Last Updated Date: 12/22/2011

WWV Broadcast Format

Molecular spectroscopy
Last Updated Date: 12/15/2011

The molecular spectroscopy sub-group carries out vibrational and rotational spectroscopic analyses on experimental data obtained primarily in the … more

Improved quantitative medical CT imaging
Last Updated Date: 10/03/2011

Develop precision calibration standards for accurate determination of feature sizes in computed tomography images, to improve reliability of … more

Biochange Imaging Database to Assess Algorithm Accuracy in Lung Tumor Growth/Reduction
Last Updated Date: 02/08/2011

In the medical diagnostics community, and important problem is the determination as to whether a tumor has grown or shrunk in size.  This problem … more

Special functions
Last Updated Date: 01/06/2011

This project will create a web-based portal enabling users to evaluate a large class of special functions to essentially arbitrary accuracy at … more

Sealant Service Life Prediction
Last Updated Date: 11/15/2010

The Building Joint Sealant Service Life Prediction Research  project has been initiated by BFRL to deliver critical predictive models for service … more

Comparison of Internet Congestion-Control Algorithms
Last Updated Date: 11/15/2010

A Complex System is any structure, process, organization, or organism characterized by a large number of interconnected components whose … more

Bayesian Statistical Estimation of Degrees of Equivalence for Key Comparison Experiments
Last Updated Date: 10/29/2010

Develop Bayesian statistical methods for the estimation of Degrees of Equivalence between laboratories participating in Key Comparison … more

TEST - Image resolution
Last Updated Date: 10/27/2010

A Complex System is any structure, process, organization, or organism characterized by a large number of interconnected components whose … more

Computational Chemistry
Last Updated Date: 10/05/2010

Ab initio computational chemistry is considered to be one of the holy grails of computational science. The benefits to society range from lighter, … more

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