Alt text
Figure 3: Comparison of AR LDI with MALDI. Mass spectra of 1 nmol (a) caffeine, (b) glucose, (c) lactose, (d) tyrosine, (e) phenylalanine, and (f) glutamic acid using AR LDI (top) and MALDI with DHB (bottom). Peaks marked with # are assigned to the clusters of DHB.