An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Using strands of DNA to create miniature hinges that pop open or shut when binding to specific molecules, researchers at the National Institute of Standards and...
NIST has established partnerships with other federal agencies to develop standards and measurement solutions to support biosurveillance. These efforts are supported in part through interagency agreements with partner agencies listed below to address their standards needs. PROGRAMS Standards for...
Industry is developing a variety of carbon capture and removal techniques including nature-based, hybrid, and engineered solutions. The scientific understanding, measurements, and models of these complex systems are still evolving. Furthermore, advanced technologies that enhance the applicability...
This program encompasses multifaceted efforts to advance the metrology of climate science. Projects include: development of ultra-high accuracy optical standards and technologies to determine greenhouse gases (GHGs) concentrations, atmospheric lifetimes, and aerosol radiative forcing development of...
Arsenic exposure in the U.S. population is an important part of the NHANES program conducted by CDC because dietary exposure to arsenic can cause serious health effects. A major challenge in the arsenic exposure assessment is that arsenic exists as various species in nature, and the toxicity of...
Quantifying plastic debris in remote and pristine natural environments is critical for assessing the extent of global pollution and its potential effects on...
Jacqueline Bangma, Chris Fuller, James McCord, Heather Whitehead, Richard Liberatore, Jason Boettger, Amanda Moors, Rebecca Pugh, Steven O'Connell, Jessica Reiner
In 2011, 68 archived beluga whale (Delphinapterus leucas) liver samples collected from Cook Inlet and the eastern Chukchi Sea from 1989 to 2006 were...
Jessica Reiner, Bruce Benner, Jennifer Lynch, Jacolin Murray, Alix Rodowa, Meredith Evans Seeley, Katherine Shaw, Benjamin Place
Standard Reference Materials (SRMs) are homogeneous, well-characterized materials that are used to validate measurements and improve the quality of analytical...
This tool is used for implementing the CO 2 concentration calculations. After providing the relevant inputs, or selecting from a number of predefined cases, the
The web-based tool Virus Particle Exposure in Residences (ViPER) allows users to compare an individual scenario against multiple “what-if” scenarios related to