Development
of green nanotechnology is generating interest of researchers toward
ecofriendly biosynthesis of nanoparticles. Biomolecules present in plant extracts
can be used to reduce metal ions to nanoparticles in a single-step green
synthesis process. This biogenic reduction of metal ion to base metal is quite
rapid, readily conducted at room temperature and pressure, and easily scaled
up. In this study, biosynthesis of stable copper nanoparticles were done using
datura meta leaf extract. These biosynthesized Cu nanoparticles were characterized by UV/Vis-spectroscopy,
Particle size analyzer (PSA), Transmission electron mictroscopy (TEM), Energy
dispersive X-ray Analysis (EDX),Fourier transform infrared spectroscopy (FTIR).
It was observed that the datura meta leaf extract can reduce copper ions into
copper nanoparticles within 8 to 10 min of reaction time. Thus, this method can
be used for rapid and ecofriendly biosynthesis of stable copper
nanoparticles.Synthesis mediated by plant extracts is environmentally benign.
The reducing agents involved include the various water soluble plant
metabolites (e.g. alkaloids, phenolic compounds, terpenoids) and co-enzymes.
Extracts of a diverse range of plant species have been successfully used in
making nanoparticles. In addition to plant extracts, live plants can be used
for the synthesis. It was found that copper nanoparticles were also found to
exhibit reasonably good antimicrobial activity when compared with standard
Chloramphenicol, which suggests its potential use as antimicrobial agent.
Hence, there is scope to develop new methods for the synthesis of nanoparticles
which should be required inexpensive reagent, less drastic reaction condition
and eco-friendly.
Cite this paper
Parikh, P. , Zala, D. and Makwana, B. A. (2014). Biosynthesis of Copper Nanoparticles and Their Antimicrobial Activity. Open Access Library PrePrints, 1, e067. doi: http://dx.doi.org/10.4236/oalib.preprints.1200067.
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