Synthesis of Silver and Gold Nanoparticles: Chemical and Green Synthesis Method and Its Toxicity Evaluation against Pathogenic Bacteria Using the ToxTrak Test

<div>(a) UV-Vis absorption spectrum of Bio-AgNPs with the aqueous extract of <i>Hibiscus Rosa sinensis</i> (gurhal). (b) Vials showing colour changes (B), from pale yellow to blackish brown, indicating Bio-AgNP synthesis.</div>

Journal of Nanomaterials

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Figure 3: Synthesis of Silver and Gold Nanoparticles: Chemical and Green Synthesis Method and Its Toxicity Evaluation against Pathogenic Bacteria Using the ToxTrak Test 

Figure 3 | Synthesis of Silver and Gold Nanoparticles: Chemical and Green Synthesis Method and Its Toxicity Evaluation against Pathogenic Bacteria Using the ToxTrak Test 