Fig. 6From: Enhanced Plasmonic Biosensors of Hybrid Gold Nanoparticle-Graphene Oxide-Based Label-Free ImmunoassayAnalysis of UV-vis absorption spectra for immune response. a AuNP-bound GO and GO-bound BSA, b AuNPs and GO-bound anti-BSA, c AuNP-GO-antiBSA probe, and d AuNP-GO-antiBSA probe and GO-BSA target for immune responseBack to article page