Microwave-assisted rapid extracellular synthesis of stable bio-functionalized silver nanoparticles from guava (Psidium guajava) leaf extract

Our research interest centers on microwave-assisted rapid extracellular synthesis of bio-functionalized silver nanoparticles of 26 ± 5 nm from guava ( Psidium guajava ) leaf extract with control over dimension and composition. The reaction occurs very rapidly as the formation of spherical nanopartic...

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Bibliographic Details
Published in:Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology 2011-05, Vol.13 (5), p.2021-2028
Main Authors: Raghunandan, Deshpande, Mahesh, Bedre D., Basavaraja, S., Balaji, S. D., Manjunath, S. Y., Venkataraman, A.
Format: Article
Language:English
Subjects:
Biosynthesis
Characterization and Evaluation of Materials
Chemistry and Materials Science
Diffraction
Fourier transforms
Guava
Infrared spectroscopy
Inorganic Chemistry
Lasers
Materials Science
Nanoparticles
Nanotechnology
Optical Devices
Optics
Photonics
Physical Chemistry
Plant extracts
Research Paper
Scanning electron microscopy
Silver
Synthesis
Ultraviolet spectroscopy
X-ray diffraction
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Summary:Our research interest centers on microwave-assisted rapid extracellular synthesis of bio-functionalized silver nanoparticles of 26 ± 5 nm from guava ( Psidium guajava ) leaf extract with control over dimension and composition. The reaction occurs very rapidly as the formation of spherical nanoparticles almost completed within 90 s. The probable pathway of the biosynthesis is suggested. Appearance, crystalline nature, size and shape of nanoparticles are understood by UV–vis (UV–vis spectroscopy), FTIR (fourier transform infrared spectroscopy), XRD (X-ray diffraction), FESEM (field emission scanning electron microscopy) and TEM (transmission electron microscopy) techniques. Microwave-assisted route is selected for the synthesis of silver nanoparticles to carry out the reaction fast, suppress the enzymatic action and to keep the process environmentally clean and green.
ISSN:1388-0764
1572-896X
DOI:10.1007/s11051-010-9956-8