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Coleus aromaticus leaf extract mediated synthesis of silver nanoparticles and its bactericidal activity

Coleus aromaticus leaf extract mediated synthesis of silver nanoparticles and its bactericidal... The utilization of various plant resources for the biosynthesis of metallic nanoparticles is called green nanotechnology, and it does not utilize any harmful chemical protocols. The present study reports the plant-mediated synthesis of silver nanoparticles using the plant leaf extract of Coleus aromaticus, which acts as a reducing and capping agent. The silver nanoparticles were characterized by ultraviolet visible spectroscopy, X-ray diffraction, scanning electron microscopy, energy-dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy, and the size of the silver nanoparticles is 44 nm. The bactericidal activity of the silver nanoparticles was carried out by disc diffusion method that showed high toxicity against Bacillus subtilis and Klebsiella planticola. Biosynthesis of silver nanoparticles by using plant resources is an eco-friendly, reliable process and suitable for large-scale production. Moreover, it is easy to handle and a rapid process when compared to chemical, physical, and microbe-mediated synthesis process. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Nanoscience Springer Journals

Coleus aromaticus leaf extract mediated synthesis of silver nanoparticles and its bactericidal activity

Applied Nanoscience , Volume 3 (3) – Apr 25, 2012

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References (40)

Publisher
Springer Journals
Copyright
Copyright © 2012 by The Author(s)
Subject
Material Science; Nanotechnology; Membrane Biology; Nanotechnology and Microengineering; Nanochemistry
ISSN
2190-5509
eISSN
2190-5517
DOI
10.1007/s13204-012-0121-9
Publisher site
See Article on Publisher Site

Abstract

The utilization of various plant resources for the biosynthesis of metallic nanoparticles is called green nanotechnology, and it does not utilize any harmful chemical protocols. The present study reports the plant-mediated synthesis of silver nanoparticles using the plant leaf extract of Coleus aromaticus, which acts as a reducing and capping agent. The silver nanoparticles were characterized by ultraviolet visible spectroscopy, X-ray diffraction, scanning electron microscopy, energy-dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy, and the size of the silver nanoparticles is 44 nm. The bactericidal activity of the silver nanoparticles was carried out by disc diffusion method that showed high toxicity against Bacillus subtilis and Klebsiella planticola. Biosynthesis of silver nanoparticles by using plant resources is an eco-friendly, reliable process and suitable for large-scale production. Moreover, it is easy to handle and a rapid process when compared to chemical, physical, and microbe-mediated synthesis process.

Journal

Applied NanoscienceSpringer Journals

Published: Apr 25, 2012

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