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We are all familiar with X-rays, the short, highly energetic waves used by dentists to check for cavities, and by airport screeners to look for contraband. We experience fluorescence—the phenomenon by which something absorbs energy and in turn ... Read More

Nitrogen is a common element, present in every living organism. It is vital to lifecycles and important in many industrial processes in its different forms. Organic nitrogen occurs in proteins, peptides, nucleic acids, urea, and many synthetic ... Read More

“In an ideal world, spectrophotometers would be capable of measuring the entire electromagnetic spectrum on a single instrument platform, generating a variety of types of information from the sample,” says Ian Robertson, IR/NIR applications ... Read More

The phrase “limit of detection” sounds so simple, yet it leads to one of the biggest, murkiest, most frustrating swamps in the statistical literature. Read More

More data and opportunities—as well as expectations—make up today’s focus of analyzing images from microscopy. Read More

Students learn that chromatography involves interactions of analytes with stationary phase and mobile phase, just as it was designed by Mikhail Tsvet more than a century ago. Read More

Researchers face an enormous challenge when it comes to understanding how genetic risk, chemical and pathogenic exposure, nutrition, epigenetic modifications, and, especially in humans, psychological and social well-being interact to influence health... Read More