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Green Synthesis of Silver Nanoparticles Using Ginkgo biloba and Their Bactericidal and Larvicidal Effects

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The synthesis of metallic nanoparticles using plant extracts has attracted much attention. In this study, silver nanoparticles (AgNPs) were synthesized using the Ginkgo biloba plant-leaf extract and their antibacterial and larvicidal activities were investigated. AgNPs were characterized using UV-visible, X-ray diffraction (XRD), Fourier transform infrared (FTIR), energy-dispersive X-ray (EDX) spectroscopy and field emission scanning electron microscope (FESEM) analysis. The UV-visible spectral analysis showed a surface plasmon resonance (SPR) peak at 430 nm, the FESEM analysis revealed size of AgNPs between 25–45 nm and the XRD data confirmed the formation of the AgNPs using G. biloba-mediated green synthesis. AgNPs showed the highest antibacterial activities against Pseudomonas aeruginosa, Staphylococcus aureus, Bacillus subtills, Enterobacter aerogens, Salmonella paratyphi and Escherichia coli. Also, the AgNPs exerted a significant larvicidal effect on the Culex mosquito larvae.
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Keywords: CYTOTOXICITY; GREEN SYNTHESIS; SILVER NANOPARTICLES; SURFACE PLASMON RESONANCE; UV-VISIBLE

Document Type: Short Communication

Publication date: March 1, 2018

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  • Nanoscience and Nanotechnology Letters (NNL) is a multidisciplinary peer-reviewed journal consolidating nanoscale research activities in all disciplines of science, engineering and medicine into a single and unique reference source. NNL provides the means for scientists, engineers, medical experts and technocrats to publish original short research articles as communications/letters of important new scientific and technological findings, encompassing the fundamental and applied research in all disciplines of the physical sciences, engineering and medicine.
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