Synthesis and Ultraviolet Visible Spectroscopy Studies of Chitosan Capped Gold Nanoparticles and Their Reactions with Analytes

Figure 7

Absorption spectra of bare and increased weight of chitosan capped AuNPs at the optimum concentration of reducing agent MSG: (a) 0 g chitosan; (b) 1 g chitosan; (c) 2 g chitosan; (d) 3 g chitosan; (e) 4 g chitosan; (f) 5 g chitosan.