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Gaithersburg

Renewal of NIST Benchmark SRMs for Accurate Determinations of Trace Elements in Serum and Liver Tissues

The Centers for Disease Control and Prevention (CDC) collects data on elemental composition of human body fluids and tissues as part of major studies such as

Development of SRMs 2668 and 3668 for Accurate Assessment of Exposure to Toxic Elements and Anions

As part of a multi-year interagency agreement between the National Institute of Standards and Technology (NIST) and the Centers for Disease Control and

Photograph of SRM 2669 Arsenic Species in Frozen Human Urine, with vials and desiccant packs, and labeled mylar bag.

Development of SRM 2669 for Accurate Assessment of Arsenic Exposure

The National Institute of Standards and Technology (NIST), in collaboration with the Centers for Disease Control and Prevention (CDC), has developed Standard

Development of SRM 955c Toxic Elements in Caprine Blood

Environmental and occupational exposure to toxic metals is assessed through whole blood analysis. Due to advances in instrument technology, clinical

Standards for Immuno-histochemical Imaging: A Biomarker Protein Expression Chip

Immunohistochemistry (IHC) is used to visualize antigens in tissue sections by specific antigen-antibody interactions, an advantage over traditionally used

Platforms for measuring properties of electrically addressable semiconductor nanocrystals

In measuring performance of submicron optoelectronic devices, such as lasers or light-emitting diodes (LEDs), conventional methods are limited to extrapolations

High-Precision Isotopic Reference Materials

Recent innovative advances in the design and manufacture of isotope ratio mass spectrometers (IRMS) have revolutionized the study of natural and man-induced

Electronic Structure and Dynamics in Quantum Materials

Electronic structure information obtained with photoemission-based measurements provides a keystone in understanding emerging materials with potential

Optimization of the Standard Addition Method (SAM) Using Monte Carlo Simulation

The standard addition method (SAM) was first described by oceanographers in 1955 to overcome matrix effects in the determination of strontium in seawater. SAM

Environmental Leaching of Nanoparticles from Consumer Products

Nanoparticle-based consumer products are becoming available in the market at an increasing rate, but the safety of nanoparticles and the environmental fate of

Standard Bullets and Cartridge Cases

When a firearm is fired, it leaves toolmarks on the spent bullet and cartridge case. By analyzing and comparing these toolmark signatures...

NIST Helps Preserve the 500-year-old Waldseemüller Map

December 7, 2007

A hermetically sealed glass and aluminum encasement built by the National Institute of Standards and Technology (NIST) will protect the first world map to label

Comparing the Biological Responses of Photoluminescent Silicon Nanoparticles with Silicon Micron-sized Particles

Photoluminescent silicon nanoparticles have a bright and stable fluorescence and are promising candidates for use in bio-imaging, cell staining and drug

Relative Intensity Correction Standards for Fluorescence and Raman Spectroscopy

Luminescence measurements have become the methods of choice for new clinical and biochemical analyses due to their high selectivity and sensitivity. At the same

Decontamination of Biological Threats in Water Supplies

The availability of safe pure drinking water in the United States is taken for granted. The presence of dangerous microorganisms, viruses and toxins in our

Measurement Quality in Hydrogen Storage R&D

No existing hydrogen storage material satisfies the Department of Energy (DoE) goal of achieving a commercial hydrogen storage system for competitive hydrogen

Chemical Metrology for Polymers Manufacturing

Chemical metrology for polymers manufacturing is a new area of endeavor for the Chemical Sciences Division. At the outset, efforts have involved mostly

Robots being trained to map spaces using their sensors

Rescue Robot Exercise Brings Together Robots, Developers, First Responders

November 25, 2008

The National Institute of Standards and Technology (NIST) held a rescue robot exercise in Texas last week in which about three dozen robots were tested by

Remote Sensing Group

The group establishes the detector-based scale for radiant power responsivity through cryogenic electrical substitution radiometry, and disseminates the scale to the remote sensing community via radiance and irradiance responsivity through the SIRCUS, hyperspectral imaging, and LBIR facilities. The