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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. 5.

Fig. 5.

(A and C) TEM images of nanosilver after re-circulation through the dental tubing for 3 days. Image A) displays small AgNPs (3–5 nm) and image C) displays a large partially-aggregated Ag particle surrounded by small (3–5 nm) AgNPs. (B and D) are the corresponding EDX spectra of the particles presented in images A and C, respectively.