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. Author manuscript; available in PMC: 2018 Sep 18.
Published in final edited form as: Chemosphere. 2017 Jan 12;173:245–252. doi: 10.1016/j.chemosphere.2017.01.050

Fig. 3.

Fig. 3.

(A) Backscattered SEM and (B) secondary electron SEM images of the same area of biofilm. The backscattered SEM image displays the clear contrast between Ag nanoparticles and the surrounding biofilm.