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Journal of Nanoparticle Research
Erschienen in: Journal of Nanoparticle Research 7/2011

01.07.2011 | Research paper

Biosynthesis of silver nanoparticles using Ocimum sanctum (Tulsi) leaf extract and screening its antimicrobial activity

verfasst von: Garima Singhal, Riju Bhavesh, Kunal Kasariya, Ashish Ranjan Sharma, Rajendra Pal Singh

Erschienen in: Journal of Nanoparticle Research | Ausgabe 7/2011

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Abstract

Development of green nanotechnology is generating interest of researchers toward ecofriendly biosynthesis of nanoparticles. In this study, biosynthesis of stable silver nanoparticles was done using Tulsi (Ocimum sanctum) leaf extract. These biosynthesized nanoparticles were characterized with the help of UV–vis spectrophotometer, Atomic Absorption Spectroscopy (AAS), Dynamic light scattering (DLS), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and Transmission electron microscopy (TEM). Stability of bioreduced silver nanoparticles was analyzed using UV–vis absorption spectra, and their antimicrobial activity was screened against both gram-negative and gram-positive microorganisms. It was observed that O. sanctum leaf extract can reduce silver ions into silver nanoparticles within 8 min of reaction time. Thus, this method can be used for rapid and ecofriendly biosynthesis of stable silver nanoparticles of size range 4–30 nm possessing antimicrobial activity suggesting their possible application in medical industry.
Vorheriger Artikel Synthesis and characterization of Pd-on-Pt and Au-on-Pt bimetallic nanosheaths on multiwalled carbon nanotubes
Nächster Artikel Poly ethylene oxide (PEO)–LiI polymer electrolytes embedded with CdO nanoparticles

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Metadaten
Titel
Biosynthesis of silver nanoparticles using Ocimum sanctum (Tulsi) leaf extract and screening its antimicrobial activity
verfasst von
Garima Singhal
Riju Bhavesh
Kunal Kasariya
Ashish Ranjan Sharma
Rajendra Pal Singh
Publikationsdatum
01.07.2011
Verlag
Springer Netherlands
Erschienen in
Journal of Nanoparticle Research / Ausgabe 7/2011
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-010-0193-y

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