Comparative analysis of antibacterial activity of Silver nanoparticles synthesized using leaf extract of wheat varieties

International Journal of Nano Dimension

مقاله 5، دوره 7، شماره 2، مرداد 2016، صفحه 137-143   

نوع مقاله: Reasearch Paper

شناسه دیجیتال (DOI): 10.7508/ijnd.2016.02.005

نویسندگان

Kirandeep Kaur؛ Ratika Komal^*

Department of Biotechnology, Guru Nanak Girls College, Ludhiana, INDIA

چکیده

In the present study, we have reported the biological synthesis of silver nanoparticles (AgNPs) using aqueous leaf extract prepared by hot percolation treatment of wheat varities (PBW343, Triticum durum and Aegilops tauschii )for the reduction of silver ions to silver nanoparticles. Bioreduction of Ag+ to Ag0 was observed when aqueous extract augmented with silver nitrate (AgNO3) was incubated for 2 hours at 1000C. The formation of silver nanoparticles was confirmed by surface plasmon resonance as determined by UV-Vis spectra at 430 nm. Silver nanoparticles of size ranging from 5-14 nm of spherical shape were characterized using transmission electron microscopy (TEM). These nanoparticles were found to possess potential antibacterial activity against (Escherichia coli, Staphylococcus aureus, Klebsiella) using disc diffusion method and macro dilution(tube)broth method. This environmental friendly method provides a simple, easy, fast and cost effective method for nanoparticles synthesis and can be used in several areas of medicines and industries.

کلیدواژه‌ها

A. Tauschii؛ Antibacterial؛ Macrodilution (Tube) broth method؛ Silver nanoparticles؛ T. Durum؛ TEM (Transmission Electron Microscopy)؛ Wheat varieties (PBW343)

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