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. Author manuscript; available in PMC: 2014 Oct 1.
Published in final edited form as: Environ Sci Technol. 2013 Sep 18;47(19):11232–11240. doi: 10.1021/es403377p

Figure 2.

Figure 2

TEM images of AgNPs incubating in water suspension (a–b) and aqueous suspension at pH 7 (c–f), pH 5 (g–j), and pH 3 (k–n) with magnification of 20k and their particle size distribution (N=200) histograms (o–r) were measured from TEM images in the presence, and absence, of DPPC after 7 days incubation.