Figure 2.
(a) SERS spectra for MGITC on NPG-5h obtained in different concentrations, namely 10−10 M, 10−12 M, 10−14 M, 10−16 M, and on flat Au in 10−8 M. (b) Inset of four spectra collected on NPG-5h for MGITC 10−12 M.
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