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. Author manuscript; available in PMC: 2015 Oct 11.
Published in final edited form as: Nanoscale. 2011 Nov 24;4(2):421–424. doi: 10.1039/c1nr11469g

Fig. 3.

Fig. 3

Two-photon fluorescence confocal images of MDA-MBD-435 cells after incubation with SV119-PEG-AuNCs and PEG-AuNCs, respectively, for 3 h. The green color represents the photoluminescence from the AuNCs and the red color came from the FM4-64 dye added for cell membrane and plasma staining.