The gaseous sample comprising of the VOCs to be examined (for instance, ambient air) is directly sampled into the PTR mass spectrometer without preparing any samples. The PTR ionization source is the ...

A disassembled charge-detection mass spectrometry ion trap. A disassembled charge detection mass spectrometry ion trap Credit: Gwendolyn Jarrold At the University of Oxford, Justin Benesch studies ...

In Star Trek, Mr. Spock’s hand-held tricorder can instantly tell what something is made of. We don’t have tricorders yet, but we’re getting close. Portable devices just a little too big to hold in one ...

Mass spectrometry is a powerful analytical method used to identify and characterize molecules. People often mistakenly think that the data outputted by the technique come in the form of a mass ...