Figure 2

(a,b,c) SERS spectra of FC, p-MBA, and DTNB adsorbed onto AuNPs (Raman reporter-AuNPs), and (a’,b’,c’) SERS spectra of FC, p-MBA, and DTNB–labeled immune AuNPs (antibody-Raman reporter-AuNPs), respectively.

(a,b,c) SERS spectra of FC, p-MBA, and DTNB adsorbed onto AuNPs (Raman reporter-AuNPs), and (a’,b’,c’) SERS spectra of FC, p-MBA, and DTNB–labeled immune AuNPs (antibody-Raman reporter-AuNPs), respectively.