Definition of "desorption" []

• The process in which atomic or molecular species leave the surface of a solid and escape into the surroundings; the reverse of absorption or adsorption (noun)

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• "The research from Purdue, led by analytical chemistry professor Graham Cooks, developed a technique called desorption electrospray ionization, or DESI, that eliminates a part of the mass spectrometry process, and thus speeds up the detection of substances to less than 10 seconds, said Williams."
• "The molecules appeared in light-colored blotches on certain parts of the seaweed, and were visible with the help of a new technique known as desorption electrospray ionization mass spectrometry developed at the Georgia Tech's School of Chemistry and Biochemistry."
• "The team used a mass spectrometry analysis technique developed by Cooks and coworkers called desorption electrospray ionization, or DESI, to measure and compare the chemical characteristics of 68 samples of normal and cancerous prostate tissue."