Fig. 1
From: The effect of phospho-peptide on the stability of gold nanoparticles and drug delivery
Systematic investigation of different amino acids within scaffold peptides in stabilizing AuNPs. a Typical TEM image of AuNPs in water solution (scale bar = 100 nm). b UV–Vis absorbance of AuNPs at 400–800 nm with a typical plasmon peak at ~ 520 nm. c Histogram depicting the size of 450 particles with mean diameter at 11 nm. d Digital image of AuNPs modified by various peptides, blue color indicates aggregated AuNPs and bright red color indicates stabilized AuNPs. e The ratio of absorbance at 615 nm to that at 520 nm to show the stability of peptide modified AuNPs