Green synthesis of silver nanoparticles using Salvadora persica L. and its antibacterial activity

被引:37
|
作者
Miri, A. [1 ]
Dorani, N. [1 ]
Darroudi, M. [2 ,3 ]
Sarani, M. [1 ]
机构
[1] Zabol Univ Med Sci, Fac Pharm, Dept Pharmacognosy, Zabol, Iran
[2] Mashhad Univ Med Sci, Nucl Med Res Ctr, Mashhad, Iran
[3] Mashhad Univ Med Sci, Sch Med, Dept Modern Sci & Technol, Mashhad, Iran
关键词
AgNPs; Salvadora persica; MIC; Escherichia coli; Staphylococcus aureus; PXRD; TEM; ESSENTIAL OIL; LEAF EXTRACT; ANTIMICROBIAL ACTIVITIES; CHEMICAL-COMPOSITION; ANTIOXIDANT; ANTICANCER; BIOSYNTHESIS; ANTIFUNGAL; REDUCTION; PARTICLES;
D O I
10.14715/cmb/2016.62.9.8
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The silver nanoparticles (AgNPs) shows special physicochemical properties, therefore they use many applications such as catalysis, health, electronic and optical. In this study, AgNPs was synthesized using aqueous extract of Salvadora persica bark. The synthesized AgNPs were characterized by UV-Vis spectroscopy, Powder X-ray diffraction (PXRD) and Transmission electron microscopy (TEM) methods. The optimal synthesis condition to prepare nanoparticles was determined as silver nitrate 3 mM, 5 ml of aqueous extract in the room temperature for 1 h. The TEM image of AgNPs showed the formation of spherical, non-uniform nanoparticles of mean size of 50 nm. The antibacterial activity of synthesized AgNPs was evaluated using disk diffusion, minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) methods on Escherichia coli and Staphylococcus aureus bacteria. The MIC values of AgNPs were 100 and 400 mu g/mL on E. coli and S. aureus, respectively. Also the MBC of AgNPs was 200 mu g/mL for E. coli and there was no result observed for S. aureus bacteria. The results showed that synthesized nanoparticles have favorable antibacterial properties.
引用
收藏
页码:46 / 50
页数:5
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