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. Author manuscript; available in PMC: 2013 Nov 22.
Published in final edited form as: Small. 2011 Jun 1;7(16):10.1002/smll.201100628. doi: 10.1002/smll.201100628

Figure 1.

Figure 1

Characterization of EGF-Au NP-Pc 4 conjugates (A-D). (A) Absorbance spectra of COOH-functionalized Au NPs, EGF-Au NPs and EGF-Au NP-Pc 4 conjugates in water. (B) The fluorescence spectrum and (C) 1% Agarose gel at 120 V for 4 hours in TAE buffer. From left to right: COOH-functionalized Au NP, EGF-Au NPs and EGF-Au NP-Pc 4 conjugates. (D) TEM image of the conjugates.