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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: Geochim Cosmochim Acta. 2011 Feb 1;75(3):784–799. doi: 10.1016/j.gca.2010.11.011

Fig. 11.

Fig. 11

Transmission electron micrographs of (a) E. coli with intact LPS (arrow “j”) grown in TSB with 0.5% yeast extract and washed five times with 0.01 M NaClO4 to remove residual media and (b) E. coli after adsorption with 10 mg/L Cu(II) and 5 g/L bacteria. The electron dense region (arrow “k”) reflects Cu accumulation at the outer rim of cells.