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Physicochemical characteristics of the surface modified gold nanoparticles conjugated with or without cinnamaldehyde (CNMA): free CNMA (green), GNPs (black), Si-GNPs (red) and CNMA-GNPs (blue). (A) UV-Visible absorbance spectra, (B) FT-IR spectra, and (C) transmission electron micrographs (showing the surface coating on GNPs) of nano-dispersions.
Abbreviations: CNMA, cinnamaldehyde; GNP, gold nanoparticle; Si, silica.
