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. 2013 Oct 9;8(10):e77486. doi: 10.1371/journal.pone.0077486

Figure 3. SERS.

Figure 3

Raman spectra of MB (1), MB + fungal extract (2), MB + quasi-spherical AuNPs of 3 to 12 nm (3), MB + quasi-spherical AuNPs with some different shapes of 6 to 23 nm (4), and MB + different shaped gold nanoparticles with a broad size range (5).