1Royal Scientific Society, El Hassan Science City, Amman, Jordan
2Plant Protection Department, Faculty of Agriculture, University of Jordan, Amman Jordan
Adv. Mater. Lett., 2013, Current Issue, 4 (5), pp 338-342
DOI: 10.5185/amlett.2012.11453
Publication Date (Web): Feb 23, 2013
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E-mail: akl.awwad@yahoo.com
This paper reports a rapid and eco-friendly green method for synthesis of silver nanoparticles from silver nitrate solution using loquat leaf extract. Effect the amount of leaf extract, reaction time, silver nitrate concentration and temperature were investigated. Biosynthesized silver nanoparticles (AgNPs) were characterized by X-ray diffraction (XRD), atomic absorption spectroscopy (AAS) and Fourier transform infrared spectroscopy (FT-IR). UV-vis spectroscopy showed that the surface plasmon resonance (SPR) at 425 nm. The structural peaks in XRD pattern and average crystalline size around 18 nm clearly illustrates that AgNPs synthesized by our green method were nanocrystalline in nature with face centered cubic geometry. The antibacterial activity of biosynthesized silver nanoparticles showed effective inhibitory activity against water borne pathogens, Shegella and Listeria bacteria.
Silver nanoparticles, loquat leaf extract, biosynthesis, antibacterial activity.
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