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. 2014 Sep 28;86(20):10030–10035. doi: 10.1021/ac5028534

Figure 1.

Figure 1

Comparison of MALDI-MSI of Medicago truncatula root nodules using the previously reported airbrush method, automatic sprayer Method 4, and sublimation Method 4. (a) Optical images comparing matrix coverage and crystal size for the airbrush (left), optimized automatic sprayer (middle), and optimized sublimation (right) matrix application methods using DHB for the matrix. (b) Optical images comparing matrix coverage and crystal size for the airbrush (left), optimized automatic sprayer (middle), and optimized sublimation (right) matrix application methods using CHCA for the matrix.