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. Author manuscript; available in PMC: 2011 Dec 1.
Published in final edited form as: JALA Charlottesv Va. 2010 Dec;15(6):433–439. doi: 10.1016/j.jala.2010.06.004

Figure 2.

Figure 2

Desorption electrospray ionization (DESI) for direct sampling ionization for MS analysis. (a) Schematic setup of a DESI for MS analysis. (b) Mass spectrum recorded of desorption ionization of 10pg TNT on paper, negative MS. The inset shows the corresponding tandem mass spectrum. Reprinted with permission from ref. 16. (c) Automated 2D DESI source for high throughput analysis and imaging. (d) Imaging of rat brain tissue using DESI-MS, m/z = 834, cc: corpus callosum, LV: lateral ventricle. Reprinted with permission from ref. 27.