Desorption Electrospray Ionization
Desorption electrospray ionization (DESI) is an ambient ionization technique that can be coupled to mass spectrometry (MS) for chemical analysis of samples at atmospheric conditions. Coupled ionization sources-MS systems are popular in chemical analysis because the individual capabilities of various sources combined with different MS systems allow for chemical determinations of samples. DESI employs a fast-moving charged solvent stream, at an angle relative to the sample surface, to extract analytes from the surfaces and propel the secondary ions toward the mass analyzer. This tandem technique can be used to analyze forensics analyses, pharmaceuticals, plant tissues, fruits, intact biological tissues, enzyme-substrate complexes, metabolites and polymers. Therefore, DESI-MS may be applied in a wide variety of sectors including food and drug administration, pharmaceuticals, environmental monitoring, and biotechnology. History DESI has been widely studied since its inception in 2004 ...
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DESI Ion Source
DESI may refer to * Desorption electrospray ionization * Drug Efficacy Study Implementation * Dark Energy Spectroscopic Instrument See also * Desi (other) Desi or Deshi is a self-referential term used by South Asian people. Desi may also refer to: *Desi (raga), a raga (also known as Deshi) in Indian classical music *Desi daru, an Indian alcoholic beverage *Desi ghee, a term used to differentiate b ...