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Appl. Sci. 2016, 6(3), 69; doi:10.3390/app6030069

Eco-Friendly Synthesis and Antimicrobial Activity of Silver Nanoparticles Using Dracocephalum moldavica Seed Extract

Department of Biology, Damghan Branch, Islamic Azad University, Damghan 36716-39998, Iran
Laboratory of Plant Physiology, Department of Biology, Faculty of Science, Razi University, Kermanshah 67149-67346, Iran
Department of Pharmaceutics, School of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah 67346-67149, Iran
Authors to whom correspondence should be addressed.
Academic Editor: Philippe Lambin
Received: 13 October 2015 / Revised: 23 January 2016 / Accepted: 28 January 2016 / Published: 2 March 2016
(This article belongs to the Section Nanotechnology and Applied Nanosciences)
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This paper reports a novel green approach for the synthesis of silver nanoparticles (AgNPs) using aqueous seed extract of Dracocephalum moldavica (L.) under ambient conditions. Processes such as Ultraviolet-visible (UV-vis) spectrometer, field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), energy dispersive X-ray analysis (EDX), and transmission electron microscopy (TEM) were carry out to characterize AgNPs. The presence of AgNPs in the prepared solution was approved by a peak to occur at 443 nm. XRD pattern indicated the crystalline structure of the nanoparticles (NPs) while the FTIR spectra confirm the attendance of plant residues adsorbed by these NPs. TEM images revealed a near spherical shape of these NPs, and EDX provided the expected elemental composition. The synthesized AgNPs showed excellent antimicrobial activities against Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, Serratia marcescens, Staphylococcus epidermidis and Bacillus subtilis. View Full-Text
Keywords: nano silver; Dracocephalum moldavica; XRD; FTIR; antibacterial activity nano silver; Dracocephalum moldavica; XRD; FTIR; antibacterial activity

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Haghighi Pak, Z.; Abbaspour, H.; Karimi, N.; Fattahi, A. Eco-Friendly Synthesis and Antimicrobial Activity of Silver Nanoparticles Using Dracocephalum moldavica Seed Extract. Appl. Sci. 2016, 6, 69.

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