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Metagenomic Next Generation Sequencing (mNGS) promises to revolutionize infectious disease diagnostics. However, the analytical performance of this technology
The NIST Ac-dc2 Difference Project performs leading edge measurement services and research for ac-dc difference measurements and dc voltage metrology. We
New Standard Reference Materials (SRMs) consisting of activated carbon sorbent materials and flue gas desulfurization (FGD) gypsum are being developed to
Additive Manufacturing (AM), the building of 3D objects through layer-by-layer deposition of metal, polymer, or biological materials offers enormous potential
Critical parts for defense, aerospace, and medical applications must be formally qualified prior to use. Currently, extensive empirical testing consisting of
Antennas are the eyes, ears and voices of everything from cell phones to interplanetary spacecraft. The Antenna Metrology Program carries on PML's pioneering
Measurements of radium isotopes in the naturally-occurring radioactive decay chains (i.e., 235U, 238U, and 232Th) are exceedingly important for various
The construction of a new primary calibration facility for air kerma measurements has been completed. It delivers a collimated 137Cs gamma-ray beam in which
Calorimetry based upon remote sensing of the temperature field in an irradiated volume would offer distinct advantages for the dosimetry of nonstandard beams
Three dosimetry calibration laboratories accredited by the American Association of Physicists in Medicine (AAPM) routinely perform calibrations of a large
Small radioactive "seed" sources used in prostate brachytherapy, containing the radionuclides 103Pd, 125I, or 131Cs, are calibrated in terms of air-kerma
NIST develops cancer measurements by working with our stakeholders to deliver improved measurement methods, data, test materials, interlaboratory testing
Single-wall carbon nanotubes are an important class of carbon nanomaterials with significant potential for commercial applications. The National Institute of
**Update**As of September 1, 2015 SRM 2366a Cytomegalovirus DNA (TowneΔ147 BAC) for DNA Measurements was made available. The new material is a single component
Analysis of soils for metals and other elements is essential in assessing environmental compliance and the impacts of potentially toxic elements on human
CERTIFIED SUPER-HIGH ENERGY CHARPY SPECIMENS (NIST-VERIFICATION AND SELF-VERIFICATION) ARE NOW AVAILABLE FOR PURCHASE IN THE NIST CATALOGUE (BOTH 2 MM AND 8 MM
A wide range of industrial sectors and their customers and suppliers are involved directly with NIST in the prioritization and development of certified
Chemical metrology for polymers manufacturing is a new area of endeavor for the Chemical Sciences Division. At the outset, efforts have involved mostly
Every four years, the Committee on Data for Science and Technology (CODATA) issues recommended values of the fundamental physical constants. The values are
The heterogeneity of the four elements in a TiAl(NbW) SRM 2061 alloy were determined from five specimens with WD-EPMA (wavelength dispersive – electron probe
Comparisons for the national standards of air kerma from therapy level and radiation protection gamma-ray beams were conducted by the NIST and the Bureau
As ‘omics moves into industrial and commercial applications, there is a need for quality and process control to ensure safety and efficacy of products and
Cement manufacturers and their customers rely on the NIST Portland cement SRMs for laboratory qualification under ASTM International C 114-07 Standard Test