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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 7.

Figure 7

Single-particle tracking of EGF via low density labeling with 20% aminoQD–SA. A single cell is shown in the imaging field (QD605 channel). Large patches of brightness represent autofluorescence, bright spots represent clusters of QDs, movie shows fluorescence intermittency of single QDs, which migrate in a manner consistent with active transport of labeled receptors. Scale bar, 5 µm.

ⓦ A movie in AVI format is available.