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-AuNPs with the aqueous extract of <i>Hibiscus Rosa sinensis</i> (gurhal). (b) Vials with colour changes ((B) pale yellow to purple reddish) indicate Bio-AuNP synthesis.</div>

Journal of Nanomaterials

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Figure 4: Synthesis of Silver and Gold Nanoparticles: Chemical and Green Synthesis Method and Its Toxicity Evaluation against Pathogenic Bacteria Using the ToxTrak Test 

Figure 4 | Synthesis of Silver and Gold Nanoparticles: Chemical and Green Synthesis Method and Its Toxicity Evaluation against Pathogenic Bacteria Using the ToxTrak Test 