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.
The accurate mass determination of DNA and other nucleic acids is of critical importance in many clinical diagnoses and in forensic and molecular biological
The global warming potential (GWP) of numerous compounds used by U.S. industry is either not known or poorly estimated. Working with the EPA, a set of nearly 1
We measured the levels of modified DNA bases following ү-irradiation of the halophilic archaeon, Halobacterium sp. str. NRC-1. In this first study to quantify
Our goal is to address critical measurement issues that exist regarding chemical and physical stability of biomacromolecules (proteins and DNA) in hydrophilic
Background: Collagen type 1 is the most prevalent extracellular protein in connective tissue, and is part of the family of collagens that are fibril forming
Flow cytometry is a widely used technique for single-cell and particle analysis. For flow cytometry to be used in a clinical, industrial, or research setting
The Biosystems and Biomaterials Division (BBD) is developing tools to take advantage of the quantum nature of light, enabling new biological measurements as
Drug overdose deaths continue to rise in the United States. Timely data on the drug landscape is difficult to obtain due to a constantly changing drug supply
Transition metal nanoparticle catalysts show great promise as a breakthrough for the realization of efficient and economical fuel cells. Fuel cells can provide
This program is aimed at determining the fundamental chemical and physical properties of the large organic compounds in fuels related to their combustion. Such
Luminescence measurements have become the methods of choice for new clinical and biochemical analyses due to their high selectivity and sensitivity. At the same
Energy is one of the most critical problems facing the United States, with technical, economic, and public policy aspects. Our group develops state-of-the-art
Economic growth, such as that experienced in developed countries over the last century, cannot continue into the next century nor spread to less developed
The use of cluster sources such as C 60 and argon gas cluster ion beams (Ar GCIB) allow for the analysis of the subsurface volume. It can also minimize the
In this project, we are developing metrology needed for the synthesis, processing, and characterization of semiconductor nanowire structures to enable reliable
This project will create a web-based portal enabling users to evaluate a large class of special functions to essentially arbitrary accuracy at user-defined
Elastic springback compensation is a long-standing issue for formed sheet automotive components. The ability to predict the magnitude of springback as a
Significant environmental remediation efforts are being conducted to address the hazards posed by the long-term terrestrial disposal of hexavalent chromium in
Property measurements of the very highest accuracies are important for developing the thermodynamic and transport property models for working fluids and
For decades, NIST has provided the SRM 3100 series single-element standard solutions. The certified values are traceable to the International System of Units
Immunohistochemistry (IHC) is used to visualize antigens in tissue sections by specific antigen-antibody interactions, an advantage over traditionally used
Develop Bayesian statistical methods for the estimation of Degrees of Equivalence between laboratories participating in Key Comparison experiments. Degrees of
This project aims to improve models linking the microscale, grain-level deformation properties, and the macroscopic, continuum deformation properties. The