NIST research chemist Kelly Telu injects a sample into a mass spectrometer, a laboratory instrument that scientists use to identify unknown chemical compounds. (M. Delorme/NIST) The National Institute ...

Volatile organic compounds in exhaled breath may help distinguish patients with allergic rhinitis from patients with ...

The National Institute of Standards and Technology (NIST) has updated its database of chemical fingerprints, called mass spectra, that are used to identify unknown chemical compounds. The NIST Mass ...

Gas chromatography (GC) is used for the analytical separation of volatile substances in the gaseous phase. This chromatographic technique is widely used in various fields of research and industrial ...

THE identification of organic substances—a matter of obvious interest and importance—stands in a somewhat different category from that of inorganic compounds, for we are not concerned here so much ...

This module has been designed to introduce second-year organic chemistry students to the concepts of stereochemistry through the lens of the World Health Organization’s Model List of Essential ...

Russian researchers have explained why scientists studying crude oil and celestial chemistry—as well as certain down-to-earth matters—frequently come across some molecules incorporating carbon, ...

INTEREST in organic identification work in the University of Illinois was first aroused by Prof. C. G. Derick- in 1908, and the course was developed by Prof. O. Kamm, whose book on the subject, ...

The NIST Mass Spectral Library has expanded to include new human and plant metabolites, variants of fentanyl and other synthetic drugs. The National Institute of Standards and Technology (NIST) has ...