Research Article

Phytosynthesis of Silver and Gold Nanoparticles Using the Hot Water Extract of Mixed Woodchip Powder and Their Antibacterial Efficacy

Figure 3

Effect of pH on the phytosynthesis of AgNPs after reaction for 24 hr (a), 48 hr (b), and 72 hr (c). Reaction curve demonstrating the evolution of the SPR band at as a function of time (d).