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Characterization of peptide-coated AuNPs.
Notes: (A) Transmission electron micrograph of OEG AuNPs. (B) Normalized UV-vis spectra of OEG AuNPs and peptide–OEG AuNPs showing a slight red shift in the plasmon peak arising from a small change in the refractive index around the AuNP due to the peptide coating. Inset is magnifying the SPR peak.
Abbreviations: AuNPs, gold nanoparticles; OEG, oligo-ethylene glycol; SPR, surface plasmon resonance.
