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Mass Spectrometry

Shrinking mass specs

The portable devices haven’t yet caught on widely. Researchers continue to advance the technology and find new applications

by Celia Henry Arnaud
May 28, 2018 | A version of this story appeared in Volume 96, Issue 22
Top-down view of a system with an ionizer, miniature mass analyzer, and detector enclosed in a vacuum chamber surrounded by the pump and electronics.

Credit: Brigham Young University | The vacuum chamber (box in center) contains the ionization source, mass analyzer, and detector for a miniature mass spec. The vacuum pump and electronics for this system have not yet been miniaturized.

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