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Average SERS spectra of the eight detected peptides: Laminin Pentapeptide (a), Bombesin (b), Angiotensin III (c), Somatostatin (d), Amyloid beta-protein (e), Angiotensin I (f), Angiotensin II (g), and Substance P (h). The differentiating vibrational bands are labeled with a red asterisk. Reproduced from Ref. 71 with permission from The Royal Society of Chemistry.
