Learn how to verify research-grade peptide purity using HPLC, mass spectrometry, and Certificates of Analysis, plus the key ...

To identify specific chemicals or molecules in the life sciences and medical research, scientists often use mass spectrometry (MS), usually paired with liquid chromatography (LC). These technologies ...

Just how far mass spectrometry—the use of tools measuring the mass-to-charge ratio (m/z) of one or more molecules present in a sample—has progressed over the past century can be seen in a new exhibit ...

A new microfluidic method preserves worm anatomy to link lipid signals with body structure using mass spectrometry imaging. Understanding how fat molecules are distributed and function in living ...

The prototype ion trap contains hundreds of inlets and outlets, mimicking how biology moves things into and out of cell nuclei. Credit: Lori Chertoff/The Rockefeller University When J. J. Thomson ...

For biologists, seeing is believing. But sometimes biologists have a hard time seeing. One particularly vexing challenge is seeing all the molecules in an intact tissue sample, down to the level of ...

A new tissue expansion method enables scientists to use mass spectrometry imaging to simultaneously detect hundreds of molecules at the single cell level in their native locations. For biologists, ...

Discover expert insights into toxicology screening with mass spectrometry, reducing false results and improving patient ...

Researchers have developed new analytical methods to rapidly analyze fuels and complex petroleum products by using high-resolution mass spectrometry. U.S. Naval Research Laboratory researcher Mark ...