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Journal of Medicinal Plants Studies
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ISSN Print: 2394-0530, ISSN Online: 2320-3862, NAAS Rating: 3.53

NAAS Rating: 3.53 NEW

Journal of Medicinal Plants Studies

2016, Vol. 4, Issue 5, Part D
Biogenic synthesis of silver nanoparticles from aqueous flower extract of Bougainvillea spectabilis and their antibacterial activity

Bharathi D, PT Kalaichelvan, Varsha Atmaram and Anbu S

In this study, silver nanoparticles were biologically synthesized by using aqueous flower extract of Bougainvillea spectabilis wild. Synthesis and formation of silver nanoparticles were confirmed by colour change from pink colour to brown colour and it was further characterized by ultraviolet (UV) visible spectroscopy at the range of 300 to 800 nm. The peak showed at 431 nm. Further morphology, shape and size of the synthesized nanoparticles were characterized by field emission electron microscopy and the presence of metal silver was analysed by energy dispersive x-ray spectroscopy. Reducing and capping agents for synthesized silver nanoparticles were studied by Fourier transform infrared spectroscopy. The in vitro antibacterial activity of silver nanoparticles was tested against both Gram-positive and Gram-negative bacterial strains. Result showed that synthesized nanoparticles have potential and high antibacterial activity against Gram-positive bacterial strains compared to Gram negative bacterial strains.
Pages : 248-252 | 582 Views | 16 Downloads
How to cite this article:
Bharathi D, PT Kalaichelvan, Varsha Atmaram and Anbu S. Biogenic synthesis of silver nanoparticles from aqueous flower extract of Bougainvillea spectabilis and their antibacterial activity. 2016; 4(5): 248-252.
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