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. Author manuscript; available in PMC: 2014 Sep 5.
Published in final edited form as: Nanotoxicology. 2009;3(3):202–214. doi: 10.1080/17435390902859556

Figure 1.

Figure 1

Spectral characterization of as-synthesized PEGylated Cdcore/Znshell quantum dots (QDs). (a) Characteristic UV-Visible spectrum for PEG350-QDs in water. Similar spectra were obtained for PEG5000-QDs. (b) FTIR spectra of QDs ligand-exchanged with PEG350.