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Ionization Source High Quality MS Imaging

| Editor: Doris Popp

The new Desorption Electrospray Ionization DESI XS source is available on the Waters Select Series Cyclic IMS, Synapt XS, and Xevo G2-XS QTof Mass Spectrometers.

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Waters Desorption Electrospray Ionization (DESI) imaging option (DESI XS) for Waters’ high-resolution mass spectrometers
Waters Desorption Electrospray Ionization (DESI) imaging option (DESI XS) for Waters’ high-resolution mass spectrometers
(Source: Waters Corporation)

Waters acquired the rights to DESI IP from Prosolia, Inc. and the Purdue Research Foundation in 2018. The new Waters DESI XS source features enhanced reliability and user experience, making high quality MS imaging accessible to a broader range of scientists. When coupled to a mass spectrometer, DESI XS produces a visual map of the spatial distribution of small molecule drugs, metabolites and lipids within a variety of sample and surface types. With DESI XS, scientists can image tissue samples, screen metabolites in bacterial colonies, identify individuals from fingerprints taken directly from various surfaces and examine cross-sections of natural products like roots and tubers.

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