Foot-bed of flip-flops being pulled from a mold.

IMS of compost-derived organisms growing on PUM9 film-agar plates. A) Photograph of the culture growth one week after incubation, with scale bar for all images. B–F) Mass distributions indicating location and relative intensity of the given m/z value and its molecular association. G) Relative intensity scale for B–F. See Supplementary Data for evidence of molecular assignments.