NDLI: Catalytic activity of allamanda mediated phytosynthesized anisotropic gold nanoparticles

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Catalytic activity of allamanda mediated phytosynthesized anisotropic gold nanoparticles

Content Provider	Scilit
Author	Gangwar, Rajesh Dhumale, Vinayak A. Gosavi, S. W. Sharma, Rishi B. Datar, Suwarna S.
Copyright Year	2013
Description	Journal: Advances in Natural Sciences: Nanoscience and Nanotechnology A simple and eco-friendly method has been developed for the synthesis of gold nanoparticles using allamanda flower extract. In this green synthesis method, chloroauric acid (HAuCl4) solution was reduced with the help of allamanda flower extract. The synthesized gold nanoparticles were characterized by atomic force microscopy (AFM), transmission electron microscopy (TEM) and x-ray diffraction technique for their morphological and structural analysis. The size of the spherical and triangular gold nanoparticles was found to be in the range of 5–40 and 20–70 nm, respectively. The x-ray diffraction analysis revealed that the crystallite size of face-centered cubic (FCC) gold nanoparticles was ∼ 11 nm. These synthesized gold nanoparticles exhibit good catalytic activity towards the reduction of H2O2. The fabricated sensor exhibits good sensitivity of 21.33 μA mM−1 cm−2 with linear relationship (R2 = 0.996) in the range from 2 to 10 mM of H2O2 concentration. This work can be extended further for potential applications such as antimicrobial studies, bio-imaging and drug-delivery owing to the known properties of the allamanda flower extract.
Related Links	http://iopscience.iop.org/article/10.1088/2043-6262/4/4/045005/pdf http://iopscience.iop.org/2043-6262/4/4/045005/pdf/2043-6262_4_4_045005.pdf
ISSN	20436254
e-ISSN	20436262
DOI	10.1088/2043-6262/4/4/045005
Journal	Advances in Natural Sciences: Nanoscience and Nanotechnology
Issue Number	4
Volume Number	4
Language	English
Publisher	IOP Publishing
Publisher Date	2013-08-14
Access Restriction	Open
Subject Keyword	Journal: Advances in Natural Sciences: Nanoscience and Nanotechnology Condensed Matter Physics Gold Nanoparticles
Content Type	Text
Resource Type	Article

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