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. 2018 Aug;12(5):574-578.
doi: 10.1049/iet-nbt.2017.0265.

Green synthesis of silver nanoparticles using Glaucium corniculatum (L.) Curtis extract and evaluation of its antibacterial activity

Ali Reza Allafchian  1 , Seyed Amir Hossein Jalali  2 , Farzane Aghaei  3 , Hamid Reza Farhang  4
Affiliations

Green synthesis of silver nanoparticles using Glaucium corniculatum (L.) Curtis extract and evaluation of its antibacterial activity

Ali Reza Allafchian et al. IET Nanobiotechnol. 2018 Aug.

Abstract

The metal nanoparticles, due to interesting features such as electrical, optical, chemical and magnetic properties, have been investigated repeatedly. Also, the mentioned nanoparticles have specific uses in terms of their antibacterial activity. The biosynthesis method is more appropriate than the chemical method for producing the nanoparticles because it does not need any special facilities; it is also economically affordable. In the current study, the silver nanoparticles (AgNPs) were obtained by using a very simple and low-cost method via Glaucium corniculatum (L.) Curtis plant extract. The characteristics of the AgNPs were investigated using techniques including: X-ray diffraction, transmission electron microscopy (TEM), scanning electron microscopy (SEM), and Fourier transform infrared spectroscopy. The SEM and TEM images showed that the nanoparticles had a spherical shape, and the mean diameter of them was 53.7 and 45 nm, respectively. The results of the disc diffusion test used for measuring the anti-bacterial activity of the synthesised nanoparticles indicated that the formed nanoparticles possessed a suitable anti-bacterial activity.

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Figures

Fig. 1
Fig. 1
TEM images of bio‐synthesised AgNPs by using the G. corniculatum (L.) Curtis aerial parts extract
Fig. 2
Fig. 2
SEM images of bio‐synthesised AgNPs by using the G. corniculatum (L.) Curtis aerial parts extract
Fig. 3
Fig. 3
UV–vis spectra recorded after the addition of the aerial part of G. corniculatum (L.) Curtis (25 mL) to the 0.01 M silver nitrate solution (200 mL)
Fig. 4
Fig. 4
XRD spectra of AgNPs by using the G. corniculatum (L.) Curtis aerial parts extract
Fig. 5
Fig. 5
FTIR spectra of bio‐synthesised AgNPs by using the G. corniculatum (L.) Curtis aerial parts extract
Fig. 6
Fig. 6
Antibacterial activity test using four strains bacteria: (A) E. coli, (B) S. typhimurium, (C) B. cereus and (D) S. aureus. The written numbers on petri dishes are as follows: (1) AgNPs, (2) AgNO3, (3) G. corniculatum (L.) Curtis aerial parts extract, and (4) distilled water
See this image and copyright information in PMC

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