Research Article

Biosynthesis of Silver and Gold Nanoparticles Using Aqueous Extract of Codonopsis pilosula Roots for Antibacterial and Catalytic Applications

Figure 2

UV-Vis spectra of CP-AuNPs (a, b, c) and CP-AgNPs (a’, b’, c’) suspensions: effects of concentration (a, a’), reaction time (b, b’), and reaction temperature (c, c’).
(a)
(b)
(c)