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. Author manuscript; available in PMC: 2011 Jan 20.
Published in final edited form as: J Am Chem Soc. 2010 Jan 20;132(2):472–483. doi: 10.1021/ja908137d

Figure 4.

Figure 4

Size analysis of poly(PEG) QDs. (A) TEM of QDs ligand exchanged with polyPEG, showing non-aggregated mono-disperse samples. (B) Dynamic light scattering measurement of QDs ligand exchanged with hydroxyPEG (—, black) and QDs ligand exchanged with polyPEG (Inline graphic, red), both showing an HD of ~11.5 nm.