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. Author manuscript; available in PMC: 2020 Nov 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2019 Sep 9;30(11):2380–2391. doi: 10.1007/s13361-019-02323-2

Figure 4.

Figure 4.

Survival yields of BP cations from tissue sections are plotted as a function of IS-CID energies for IR-MALDESI analysis either with (top) and without an ice matrix (bottom) at laser wavelengths of 2700, 2940 and 3100 nm.