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. Author manuscript; available in PMC: 2017 Sep 16.
Published in final edited form as: ACS Chem Biol. 2016 Jul 29;11(9):2588–2595. doi: 10.1021/acschembio.6b00602

Figure 5.

Figure 5

Comparison of mass spectra acquired from a single γ-cell (top) and a pixel on a pancreatic islet cross-section (bottom). Color-coded molecular ion distributions for four peptides are shown on the MALDI MS image (center).