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. Author manuscript; available in PMC: 2013 Dec 19.
Published in final edited form as: J Phys Chem C Nanomater Interfaces. 2012 Dec 20;116(50):10.1021/jp306036y. doi: 10.1021/jp306036y

Figure 1.

Figure 1

Ensemble absorbance and luminescence spectra of (a) MSA-AuNCs and (b) tiopronin-AuNCs in 10 mM PBS buffer solution at pH = 7.4. Luminescence spectrum was collected upon excitation at 470 nm. The inset is a respective transmission electron micrograph (TEM) image of (a) MSA-AuNCs and (b) tiopronin-AuNCs.