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The establishment of EVISA is funded by the EU through the Fifth Framework Programme (G7RT- CT- 2002- 05112).

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direct exposure probe (DEP)

This is a variant of the direct insertion probe (or direct  probe) in which the sample is coated on a surface that is inserted within the ion source of the mass spectrometer, and thus exposed to the ionization beam in the source directly.  The direct exposure probe can be used to generate mass spectra of otherwise nonvolatile sample molecules.


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