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EDXS of metal-associated membrane. The results of a line scan through the cell membrane, as highlighted by the arrows on the micrograph. Closed circles, background. Closed squares, phosphorus. Open circles, uranium. The line on the graph corresponds to the small dot on the line in the micrograph. The phosphorus and uranium are colocated in a 1:1 stoichiometric ratio, suggesting the presence of uranyl phosphate (UO2HPO4).
