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. Author manuscript; available in PMC: 2010 Oct 13.
Published in final edited form as: Methods Mol Biol. 2010;656:99–111. doi: 10.1007/978-1-60761-746-4_5

Fig. 5.4.

Fig. 5.4

MALDI-IM 2D plot from the cerebrum of a cocaine-injected rat (20 mg of free base/kg), 20 min after ip injection with DHB matrix. Note the mobility separation of cocaine from matrix interference ions.