FIG. 2.
TEM of a whole-mount (A) and ultrathin (B) section of washed cell suspensions in chloride-free buffer supplemented with acetate (electron donor) and 200 μM Ag(I). (C) XRD profile of the cells and black precipitate, confirming the formation of Ag(0). (D) EDS spectrum of extracellular precipitates from unstained sectioned samples.