A biomimetic approach towards synthesis of Zinc oxide Nanoparticles using Hybanthus enneaspermus (L.) F. Muell.
M.S. Shekhawat*, C.P. Ravindran and M. Manokari
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Abstract: We report green approach for the synthesis of Zinc oxide (ZnO) nanoparticles from the aqueous extracts of leaves, stem and roots of Hybanthus enneaspermus (L.) F. Muell in present study. H. enneaspermus planthas been used in traditional system of medicines in India, but so far it has not been tested for synthesis of Zinc oxide nanoparticles. The nanoparticles were synthesized using Zinc Nitrate hexahydrate [Zn(NO3)2.6H2O] solution. The Zinc Nitrate solution was exposed to the herbal extracts, which was reduced and the nanoparticles were synthesized. The formation of nanoparticles was confirmed by the color change of the reaction mixture. The synthesized ZnO nanoparticles were characterized by UV-Vis spectrophotometeric analysis. The reaction mixtures leaf extract showed absorption peak at 300 nm, stem extract at 290 nm and root extract at 288 nm.
Fig.: Hybanthus enneaspermus (L.) F. Muell. in natural habitat