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Chemistry Programs & Projects

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NIST Chemistry Webbook
Last Updated Date: 02/27/2013

The NIST Chemistry WebBook is a site on the Internet ( http://webbook.nist.gov/ ) that provides convenient access to a variety of physical and … more

Theoretical Dosimetry and Radiation-Transport Calculations
Last Updated Date: 02/27/2013

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

Calibration of Low-Energy Photon Brachytherapy Sources
Last Updated Date: 02/27/2013

Small radioactive "seed" sources used in prostate brachytherapy, containing the radionuclide 103 Pd, 125 I, or 131 Cs, are calibrated in terms of … more

NIST Work in Support of the Navy Dosimetry Program
Last Updated Date: 02/27/2013

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

Traceability for Industrial Irradiator
Last Updated Date: 02/26/2013

U.S. manufacturers have contended for decades that traceability to national standards for industrial irradiation applications is best achieved by … more

High Rate Testing
Last Updated Date: 02/22/2013

This project involves sample geometry and metrological development for high rate servohydraulic testing. (Content to be uploaded soon) more

Understanding Protein Solution Phase Behavior via Coarse-Grained Modeling
Last Updated Date: 02/14/2013

Much of our knowledge of protein folding comes from experiments on polypeptides in dilute solutions or from theoretical models of isolated … more

Connecting Thermodynamic and Dynamic Properties of Bulk and Confined Fluids
Last Updated Date: 02/13/2013

It is well known that the physical properties of a fluid can change profoundly, and often non-trivially, when placed in a confined environment. … more

Testing of Radiation Detection Systems
Last Updated Date: 12/12/2012

NIST is working together with the Department of Homeland Security (DHS) Domestic Nuclear Detection Office (DNDO) in testing radiation detection … more

Traceability in Molecular Spectrophotometry
Last Updated Date: 11/20/2012

Standard Reference Materials (SRMs) and NIST Traceable Reference Materials (NTRMs) for UV/visible/NIR spectrophotometry are certified transfer … more

Vacuum-Ultraviolet Optical Properties of Cryogenic Water Ices
Last Updated Date: 11/19/2012

The optical properties of cryogenic water ices in the vacuum-ultraviolet spectral range are studied.

Ultraviolet Photoemission Electron Microscopy
Last Updated Date: 11/19/2012

Ultraviolet photoemission electron microscopy is used to study the field emission of chromium oxide coated carbon nanosheets.

Geostationary Operations Environment Satellite R-Series Program (GOES-R) Extreme UV/X-ray Irradiance Sensor (EXIS) Calibration
Last Updated Date: 11/19/2012

Calibrations of the The Extreme ultraviolet/X-ray Irradiance Sensor (EXIS), which will be installed on the Geostationary Operations Environment … more

Improved Benchtop Connectivity to Complex Microfluidic Devices
Last Updated Date: 10/10/2012

Despite their promise to enable high-throughput science and discovery, microfluidic devices have not yet been broadly adopted. An important … more

Cell-based Assay for Mechanistically-based Prediction of Cytoxicity
Last Updated Date: 10/10/2012

The most commonly used cell-based assays for measuring cytotoxicity often show poor reproducibility, require 24 h to complete, and rely on a … more

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