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. Author manuscript; available in PMC: 2017 Jan 10.
Published in final edited form as: Nanoscale. 2016 May 19;8(20):10553–10557. doi: 10.1039/c6nr01400c

Fig. 2.

Fig. 2

(a) The absorption spectra of AuNR@SiO2-NCS and AuNR@SiO2-Glu(Cy5.5)-c(RGDyK), insert: the standard curve between Abs680 nm vs. conc. Cy5.5; (b) the fluorescence lifetime at 700 nm of NH2-Glu(Cy5.5)-c(RGDyK), AuNR@SiO2-Glu(Cy5.5)-c(RGDyK).