Research Article

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

Table 1

Antibacterial activity of CH-Ag/AuNPs and Bio-Ag/AuNPs against B. subtilis and E. coli.

S.no.Name of the organismZone of inhibition (mm in diameter)
CH-AgNPsCH-AuNPsBio-AgNPsBio-AuNPsHLE-hibiscus (Aq.)PC-1

1B. subtilis
2E. coli

CH-AgNPs: chemical synthesized silver nanoparticles; CH-AuNPs: chemical synthesized gold nanoparticles; Bio-AgNPs: biological synthesized silver nanoparticles; Bio-AuNPs: biological synthesized gold nanoparticles; HLE: hibiscus leaf extract (aqueous); PC-(1): positive control (tetracycline).