Green Synthesis and Antibacterial Activity of HAp@Ag Nanocomposite Using Centella asiatica (L.) Urban Extract and Eggshell

Figure 4

UV-vis absorption spectra of silver nanoparticles recorded as a function of reaction time of 0.01 M AgNO₃ solution with leaf extract. Reaction temperature: 50°C; extraction volume: 7 mL.