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Figure 6: LDI-MS analysis of S. cerevisiae cells. Mass spectrum of (a) yeast cells directly deposited on the AR surface, (b) cell product after cell lysis via ultrasonication, (c) cell extract with MeOH/ACN/H2O (40/20/20, v/v/v), and (d) cell extract with MeOH/H2O (80/20, v/v).