Functionalized porous silicon surfaces as DESI-MS substrates for small molecules analysis.

Abstract

In desorption electrospray ionization mass spectrometry (DESI-MS), the type of surface in addition to low gas and solvent flow rates help to avoid the "splashing of solvent" or "washing effect", by which samples are promptly removed from the surface by the spray. These effects operate on smooth surfaces and generally result in unstable signals as the spray… (More)
DOI: 10.1021/ac503252g

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