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. 2013 Oct 9;8(10):e77043. doi: 10.1371/journal.pone.0077043

Figure 7. Optical enhancing properties of silver nanoparticles.

Figure 7

(a) SERS spectra of NBA adsorbed on A. indica Ag NPs, pectin Ag NPs and CRSC substrates. (b) Raman intensity count with respect to Ag substrates at 549 and 1642 cm-1.