Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 121, Issue 1-2, Pages 198-201Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2010.01.020
Keywords
Nanostructures; Chemical synthesis; Ionic liquid; Antibacterial activity
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Funding
- Research Committee of Ferdowsi University of Mashhad
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Zinc oxide nanoparticles have been synthesized by microwave decomposition of zinc acetate precursor using an ionic liquid, 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide, [bmim][NTf2] as a green solvent. The structure and morphology of ZnO nanoparticles have been characterized using X-ray diffraction and transmission electron microscopy. The ZnO nanofluids have been prepared by dispersing ZnO nanoparticles in glycerol as a base fluid in the presence of ammonium citrate as a dispersant. The antibacterial activity of suspensions of ZnO nanofluids against (E. coli) has been evaluated by estimating the reduction ratio of the bacteria treated with ZnO. Survival ratio of bacteria decreases with increasing the concentrations of ZnO nanofluids and time. The results show that an increase in the concentrations of ZnO nanofluids produces strong antibacterial activity toward E. coli. (C) 2010 Elsevier B.V. All rights reserved.
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