Figure 5From: Verruculogen associated with Aspergillus fumigatus hyphae and conidia modifies the electrophysiological properties of human nasal epithelial cellsPositive mode electrospray ionization MS analysis of the F'3 fraction. Despite the fact that the molecular ion at m/z 512 (M+ H)+ is not observed, the presence of ions at both m/z 494 (M- H2O)+ and m/z 534 (M + Na)+ enables this compound to be identified as verruculogen [16].Back to article page