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. Author manuscript; available in PMC: 2009 Apr 6.
Published in final edited form as: J Am Chem Soc. 2008 Jan 5;130(4):1274–1284. doi: 10.1021/ja076069p

Figure 2.

Figure 2

(A) ζ-Potential measurement of QDs ligand exchanged with various percentages (by mole fraction) of aminoPEG or carboxyPEG mixed with hydroxyPEG. DHLA-coated QDs shown for comparison. (B) QD mobilities in 1% agarose gel, in Tris-acetate-EDTA buffer (pH 8.3). QDs run from anode to cathode.