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. Author manuscript; available in PMC: 2018 Jun 7.
Published in final edited form as: Anal Chem. 2018 May 9;90(11):6548–6555. doi: 10.1021/acs.analchem.8b00161

Figure 7.

Figure 7

Negative mode nano-DESI imaging of a small region (500*420 Gm2) of mouse pancreatic tissue. All the images were normalized to the internal standard (D8-arachidonic acid).