Fig. 2.
SEM images of E. coli adsorbed on (a) Al2O3 at room temperature for 0.5 min and (b) 24 h, on (c) AgCl/Al2O3 for 0.5 min, (d) for 0.5 h, (e) for 1 h and on (f) Ag/Al2O3 for 0.5 min, (g) for 0.5 h and (h) for 1 h.
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