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. Author manuscript; available in PMC: 2012 Apr 14.
Published in final edited form as: J Mater Chem. 2011 Apr 14;21(14):5190–5202. doi: 10.1039/C0JM03301D

Fig. 10.

Fig. 10

(a) White light image of the cell after incubation with nanotags. (b) pH mapping of the cell according to the intensity ratios of Raman bands at 1423 and 1076 cm–1. (c) SERS spectra obtained in endosomal compartments of different pH values.139 Reproduced by permission of The American Chemical Society.