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  • The prophylactic effect of Ranunculus laetus (Wall)-mediated silver nanoparticles against some Gram-positive and Gram-negative bacteria

    • Authors: Khalid, S.;  Advisor: -;  Participants: Majid, S. A.; Akram, M.A. (2019)

  • The dark brown color of reaction mixture preliminary confirmed the synthesis of AgNPs. Further, characterization of synthesized silver nanoparticles showed UV-vis absorption peak at 442 nm, infrared spectroscopy revealed nitro compounds and aromatic amines as reducing and capping agents while X-ray diffraction revealed face-centered cubic crystallites of AgNPs with an average size of 24.125 nm. Scanning electron microscopy images confirmed spherical shape of silver nanoparticles with diameter 7.21–17.62 nm. The synthesized silver nanoparticles revealed significant antibacterial activity P < 0.05, against Escherichia coli (MTCC No. 739), Pseudomonas aeruginosa (MTCC No. 1688), Staphylo...