Fig. 4From: Gold nanoparticles with chitosan, N-acylated chitosan, and chitosan oligosaccharide as DNA carriersStability of gold nanoparticle nanocomposites by UV-Vis absorption spectra obtained 150 days after synthesis: chemically synthesized CO-AuNPs (a) and Acyl-CO-AuNPs (b) and green/one-pot synthesis for COS@2-AuNPs (c)Back to article page