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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-dc 2 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
Critical parts for defense, aerospace, and medical applications must be formally qualified prior to use. Currently, extensive empirical testing consisting of
Automated vehicles (AVs) will significantly impact our daily lives and improve the competitiveness of our economy. Advances in communications capabilities – for
Measurements of radium isotopes in the naturally-occurring radioactive decay chains (i.e., 235 U, 238 U, and 232 Th) are exceedingly important for various
The construction of a new primary calibration facility for air kerma measurements has been completed. It delivers a collimated 137 Cs 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 103 Pd, 125 I, or 131 Cs, 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
The Gas Sensing Metrology Group at NIST develops primary gravimetric standards for a wide variety of CO2 measurement uses. For the past 40+ years the group has
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
Analysis of soils for metals and other elements is essential in assessing environmental compliance and the impacts of potentially toxic elements on human
Note about the number of Charpy specimens in a NIST SRM Unit Moving forward, the number of Charpy specimens included in a unit (box) of NIST certified specimens
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
The National Institute of Standards and Technology (NIST) is working to advance measurement capabilities needed to study the world’s climates. Climate Science
The National Institute of Standards and Technology (NIST) established the Clinical Measurements Quality Assurance Program (ClinQAP) to support the measurement
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